302 and 316 stainless steel are two austenitic stainless steel grades widely used in industrial manufacturing, engineering, automotive components, and commercial equipment. This article explains the differences between 302 and 316 stainless steel, including their chemical composition, strength, hardness, density, thermal conductivity, electrical conductivity, magnetic properties, corrosion resistance, cost, machinability, and common applications.
What Is 302 Stainless Steel?
302 stainless steel, also known as Type 302 or UNS S30200, is an austenitic chromium-nickel stainless steel. It belongs to the 300 series of stainless steels and is closely related to 304 stainless steel.
302 stainless steel typically contains approximately 17–19% chromium and 8–10% nickel, with a maximum carbon content of 0.15%. Chromium provides corrosion resistance by forming a thin passive oxide layer on the material surface, while nickel helps stabilize its austenitic microstructure and contributes to toughness and ductility.
One important characteristic of 302 stainless steel is its ability to become significantly stronger through cold working. Processes such as drawing, rolling, bending, and forming can increase its tensile strength and hardness. This makes 302 particularly useful in applications involving wire products, springs, fasteners, and formed components.
Unlike precipitation-hardening stainless steels, 302 does not rely on conventional precipitation hardening to achieve higher strength. Instead, its mechanical properties can be substantially modified through cold deformation.
302 stainless steel is generally non-magnetic in its fully annealed condition. However, cold working can induce some magnetic response because deformation may transform part of its austenitic structure into martensite.
Because of its combination of corrosion resistance, ductility, strength, and work-hardening characteristics, 302 stainless steel is used in springs, wire products, mechanical components, kitchen equipment, and general industrial applications.
What Is 316 Stainless Steel?
316 stainless steel, also known as Type 316 or UNS S31600, is an austenitic chromium-nickel-molybdenum stainless steel. It is widely used in environments where improved corrosion resistance is required.
The typical chemical composition of 316 stainless steel includes approximately 16–18% chromium, 10–14% nickel, and 2–3% molybdenum. The addition of molybdenum is the most important difference between 316 and many other common austenitic stainless steels.
Chromium creates a protective passive oxide layer, while nickel helps maintain the austenitic structure and improves toughness. Molybdenum significantly improves resistance to localized corrosion, particularly pitting and crevice corrosion caused by chlorides.
As a result, 316 stainless steel is commonly selected for marine equipment, chemical processing systems, pharmaceutical equipment, food processing machinery, and industrial components exposed to aggressive environments.
316 stainless steel also offers good strength, ductility, formability, and weldability. It can be manufactured using conventional stainless steel fabrication processes, including cutting, bending, forming, machining, and welding.
Another important consideration is that standard 316 stainless steel has a relatively high carbon limit compared with 316L. For welded components exposed to corrosive environments, 316L is often preferred because its lower carbon content reduces the risk of sensitization and associated intergranular corrosion.
Although 316 stainless steel generally costs more than 302, its improved corrosion resistance can reduce maintenance requirements and extend service life in demanding operating environments.
What Is the Difference Between 302 and 316 Stainless Steel?
302 and 316 stainless steel have similar austenitic structures, but their chemical compositions and performance characteristics are different.
The most important distinction is that 316 stainless steel contains molybdenum, while standard 302 stainless steel does not intentionally include molybdenum as a major alloying addition. This gives 316 a substantial advantage in chloride-containing and marine environments.
302 stainless steel is generally selected for applications requiring good formability, work-hardening capability, and economical material performance. 316 stainless steel is preferred when improved corrosion resistance and long-term durability are more important.
The following table summarizes the main differences between 302 and 316 stainless steel.
| Feature | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Stainless steel family | Austenitic | Austenitic |
| UNS designation | S30200 | S31600 |
| Chromium | 17–19% | 16–18% |
| Nickel | 8–10% | 10–14% |
| Molybdenum | No intentional addition | 2–3% |
| Maximum carbon | 0.15% | 0.08% |
| Density | Approximately 7.9 g/cm³ | Approximately 8.0 g/cm³ |
| Tensile strength | At least approximately 515 MPa in common annealed product specifications | At least approximately 515 MPa in common annealed product specifications |
| Yield strength | At least approximately 205 MPa | At least approximately 205 MPa |
| Young's modulus | Approximately 193 GPa | Approximately 193 GPa |
| Hardness | Typically up to approximately 92 HRB in common annealed specifications | Typically up to approximately 95 HRB in common annealed specifications |
| Corrosion resistance | Good | Excellent in many chloride-containing environments |
| Pitting resistance | Moderate | Higher |
| Magnetic properties | Generally non-magnetic when annealed; may become magnetic after cold working | Generally non-magnetic when annealed; may become slightly magnetic after processing |
| Weldability | Good with appropriate procedures | Good with appropriate procedures |
| Formability | Very good | Very good |
| Machinability | Fair to moderate, depending on condition | Fair to moderate, depending on condition |
| Cost | Generally lower | Generally higher |
| Common applications | Springs, wire, fasteners, formed components | Marine equipment, chemical equipment, medical and food processing systems |
Chemical Composition of 302 vs 316 Stainless Steel
Chemical composition is one of the most important factors affecting the performance of stainless steel. Different alloying elements influence corrosion resistance, strength, hardness, ductility, weldability, and resistance to high-temperature oxidation.
Both 302 and 316 stainless steel contain chromium and nickel as their primary alloying elements. However, 316 includes molybdenum, which gives it improved resistance to localized corrosion.
The following table compares their typical specification limits under commonly referenced ASTM product standards.
| Chemical Element | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Carbon (C) | Maximum 0.15% | Maximum 0.08% |
| Chromium (Cr) | 17–19% | 16–18% |
| Nickel (Ni) | 8–10% | 10–14% |
| Molybdenum (Mo) | No specified addition | 2–3% |
| Manganese (Mn) | Maximum 2.00% | Maximum 2.00% |
| Silicon (Si) | Maximum 0.75% | Maximum 0.75% |
| Phosphorus (P) | Maximum 0.045% | Maximum 0.045% |
| Sulfur (S) | Maximum 0.030% | Maximum 0.030% |
| Nitrogen (N) | Maximum 0.10% | Maximum 0.10% |
| Iron (Fe) | Balance | Balance |
Chromium Content
Chromium is essential for the corrosion resistance of stainless steel. Both 302 and 316 contain substantial chromium, allowing them to develop a passive oxide film when exposed to oxygen. This protective layer helps prevent further oxidation and corrosion under suitable environmental conditions.
302 stainless steel typically contains 17–19% chromium, while 316 contains 16–18%. Although 302 may have a slightly higher chromium content, chromium percentage alone does not determine overall corrosion resistance. The presence of molybdenum in 316 provides an important additional advantage against chloride-induced localized corrosion.
Nickel Content
Nickel is another important alloying element in austenitic stainless steel.
302 typically contains 8–10% nickel, whereas 316 contains approximately 10–14%. Nickel helps stabilize the austenitic crystal structure and contributes to ductility, toughness, and formability.
The higher nickel content of 316 helps maintain its austenitic structure and supports its performance in demanding industrial environments.
Molybdenum Content
The most significant compositional difference between 302 and 316 is molybdenum.
Standard 302 stainless steel does not contain the intentional 2–3% molybdenum addition found in 316. Molybdenum improves resistance to pitting and crevice corrosion, especially in environments containing chlorides. This is why 316 stainless steel is frequently selected for seawater-related equipment, chemical processing systems, and other applications where localized corrosion is a concern.
Mechanical Properties of 302 vs 316 Stainless Steel
Mechanical properties describe how a material responds to external forces, including tension, compression, bending, impact, and repeated loading.
Both 302 and 316 stainless steel offer good mechanical performance because of their austenitic structures. However, their strength and hardness depend significantly on the material condition and manufacturing process.
One important feature of 302 stainless steel is its strong work-hardening response. Cold drawing and forming can substantially increase its tensile strength and hardness. 316 stainless steel can also become stronger through cold working, although its response depends on the specific processing conditions and product form.
| Mechanical Property | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Tensile strength | Minimum 515 MPa | Minimum 515 MPa |
| Yield strength | Minimum 205 MPa | Minimum 205 MPa |
| Young's modulus | Approximately 193 GPa | Approximately 193 GPa |
| Elongation | Commonly around 40% or higher, depending on product specification | Commonly around 40% or higher, depending on product specification |
| Hardness | Typically up to approximately 92 HRB | Typically up to approximately 95 HRB |
| Shear modulus | Approximately 77 GPa | Approximately 77 GPa |
| Work-hardening capability | High | High |
Tensile Strength and Yield Strength
Tensile strength represents the maximum tensile stress a material can withstand before fracture, while yield strength indicates the stress at which permanent deformation begins.
In their annealed conditions, 302 and 316 stainless steel have broadly comparable minimum tensile and yield strength requirements in common product specifications. However, their actual mechanical performance can vary depending on the manufacturing process, product thickness, heat treatment, and degree of cold working.
302 stainless steel is particularly useful in applications where cold forming is used to increase strength. For example, stainless steel wire can be drawn through progressively smaller dies to achieve much higher tensile strength than its annealed starting condition.
316 stainless steel can also be cold worked to improve strength, making it suitable for fasteners, springs, and other mechanically loaded components.
Young's Modulus and Stiffness
Young's modulus measures a material's resistance to elastic deformation.
Both 302 and 316 stainless steel have a Young's modulus of approximately 193 GPa at room temperature. This means their elastic stiffness is very similar. When components have the same geometry and are subjected to the same loading conditions, their elastic deformation will generally be comparable.
Therefore, stiffness is usually not the deciding factor when choosing between these two stainless steel grades.
Hardness and Wear Resistance
Hardness measures a material's resistance to indentation, scratching, and localized deformation.
302 and 316 stainless steel have relatively similar hardness characteristics in their annealed conditions. Their hardness can increase considerably through cold working.
Neither grade is normally selected as a substitute for hardened tool steel when extremely high surface hardness or abrasion resistance is required. For applications involving friction, sliding contact, or abrasive wear, surface treatments and alternative alloy selections may need to be considered.
Fatigue Strength
Fatigue strength describes a material's ability to withstand repeated loading cycles without developing cracks or eventually failing.
Both 302 and 316 stainless steel can provide good fatigue performance when properly designed and manufactured. 302 is often used for springs and wire components because cold working can produce high strength. 316 is particularly useful in applications where repeated loading occurs alongside exposure to corrosive environments.
However, fatigue performance depends on surface finish, residual stress, component geometry, corrosion conditions, and manufacturing quality. In corrosive environments, corrosion fatigue can significantly reduce the fatigue life of both materials.
Physical Properties of 302 vs 316 Stainless Steel
Physical properties describe the basic characteristics of materials, including density, weight, and other physical behaviors.
Because 302 and 316 stainless steel belong to the same austenitic stainless steel family, their physical properties are relatively similar. The main difference is that 316 has a slightly different alloy composition, which can cause small variations in density and other physical characteristics.
| Physical Property | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Density | Approximately 7.9 g/cm³ | Approximately 8.0 g/cm³ |
| Weight | Slightly lighter | Slightly heavier |
| Crystal structure | Austenitic | Austenitic |
| Surface appearance | Silver-gray metallic finish | Silver-gray metallic finish |
Density and Weight Difference
Density represents the mass of a material per unit volume.
302 stainless steel has a typical density of approximately 7.9 g/cm³, while 316 stainless steel has a density of approximately 8.0 g/cm³. The difference is relatively small, meaning that replacing 302 with 316 generally does not produce a significant weight change when component dimensions remain the same.
For example, a component manufactured from either grade will have broadly similar mass when the geometry is identical. Therefore, weight reduction is not normally a major reason to select 302 over 316. Corrosion resistance, mechanical requirements, and total material cost are usually more important considerations.
Dimensional Stability
Dimensional stability describes how well a material maintains its shape and dimensions under changing operating conditions.
Both 302 and 316 provide good dimensional stability in many industrial applications. Their similar elastic moduli mean that their resistance to elastic deformation is also comparable. However, thermal expansion, residual stress, and cold-working conditions can influence dimensional accuracy. These factors should be considered when manufacturing precision components.
Surface Appearance
Both materials can be supplied with different surface finishes, including mill finish, brushed finish, polished finish, and other commercially available finishes. Their appearance alone is generally insufficient to distinguish 302 from 316.
For applications involving hygiene, cleaning, or decorative requirements, surface roughness and finishing quality can be just as important as the stainless steel grade itself.
Thermal Properties of 302 vs 316 Stainless Steel
Thermal properties describe how materials respond to heat and temperature changes.
Both 302 and 316 stainless steel have relatively low thermal conductivity compared with carbon steel and highly conductive metals such as copper and aluminum. They also have relatively high coefficients of thermal expansion compared with many engineering materials. These characteristics influence heat transfer, welding, forming, machining, and dimensional stability in high-temperature applications.
| Thermal Property | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Thermal conductivity | Approximately 16 W/m·K | Approximately 16 W/m·K |
| Coefficient of thermal expansion | Approximately 17–18 µm/m·K | Approximately 16–17 µm/m·K |
| Specific heat capacity | Approximately 500 J/kg·K | Approximately 500 J/kg·K |
| Melting range | Approximately 1400–1420°C | Approximately 1370–1400°C |
| High-temperature oxidation resistance | Good under suitable conditions | Good under suitable conditions |
Thermal Conductivity
Thermal conductivity measures how efficiently a material transfers heat.
302 and 316 stainless steel have relatively similar thermal conductivity values, generally around 16 W/m·K near commonly referenced conditions. This is considerably lower than the thermal conductivity of many carbon steels and copper alloys.
Because stainless steel transfers heat relatively slowly, temperature gradients may develop during welding, cutting, and forming. Manufacturing processes should therefore account for heat accumulation and temperature distribution.
Coefficient of Thermal Expansion
The coefficient of thermal expansion describes how much a material expands or contracts when its temperature changes.
302 stainless steel typically has a thermal expansion coefficient of approximately 17–18 µm/m·K, while 316 stainless steel is generally around 16–17 µm/m·K over comparable temperature intervals. Both grades experience noticeable thermal expansion when exposed to substantial temperature changes. For precision engineering applications, designers should account for dimensional changes during heating and cooling.
Specific Heat Capacity
Specific heat capacity measures the amount of energy required to raise the temperature of a unit mass of material by one degree.
Both 302 and 316 stainless steel have specific heat capacities of approximately 500 J/kg·K near room temperature. Their values can vary with temperature and chemical composition. This property influences heating and cooling requirements during manufacturing and industrial operation.
Melting Temperature
The melting temperature of a stainless steel alloy depends on its chemical composition. 302 stainless steel generally has a melting range of approximately 1400–1420°C, while 316 stainless steel typically melts within approximately 1370–1400°C.
These values are approximate and should not be confused with recommended continuous operating temperatures. Actual high-temperature performance also depends on oxidation resistance, creep strength, mechanical loading, and the surrounding environment.
Corrosion Resistance of 302 vs 316 Stainless Steel
Corrosion resistance is the most important performance difference between 302 and 316 stainless steel. Both grades contain chromium, which allows them to develop a thin protective passive oxide layer on their surfaces.
However, 316 contains approximately 2–3% molybdenum, which significantly improves its resistance to localized corrosion. This makes 316 a better choice for applications exposed to seawater, salt spray, chlorides, and certain aggressive chemical environments.
302 provides good corrosion resistance in many indoor, atmospheric, and mild industrial environments, but it is less resistant to chloride-induced pitting and crevice corrosion.
The following table compares their corrosion characteristics.
| Corrosion Property | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| General atmospheric corrosion | Good | Excellent |
| Freshwater resistance | Good | Very good to excellent |
| Seawater resistance | Limited | Better, but not immune |
| Chloride resistance | Moderate to poor in aggressive conditions | Significantly better |
| Pitting corrosion resistance | Lower | Higher |
| Crevice corrosion resistance | Lower | Higher |
| Chemical resistance | Good in many mild environments | Better in many aggressive environments |
| Oxidation resistance | Good | Good |
Chloride Corrosion
Chlorides are particularly important when selecting stainless steel for marine and industrial applications. Chloride ions can damage the passive layer and cause localized corrosion, particularly in areas where deposits accumulate or oxygen availability is restricted.
302 stainless steel is more vulnerable to chloride-induced pitting and crevice corrosion. 316 stainless steel has improved resistance because molybdenum helps stabilize the passive film and improves resistance to localized corrosion. This is one of the main reasons 316 is widely used in marine equipment and chemical processing systems.
However, 316 is not completely immune to seawater corrosion. Severe chloride concentrations, stagnant seawater, elevated temperatures, and deposits can still cause corrosion.
Pitting and Crevice Corrosion
Pitting corrosion creates small, localized holes in a metal surface. Crevice corrosion occurs in narrow gaps where stagnant liquid and local chemical conditions can damage the protective oxide layer. These corrosion mechanisms are particularly important in equipment exposed to saltwater and chloride-containing cleaning solutions.
302 stainless steel generally has lower resistance to these forms of corrosion. 316 stainless steel provides substantially better performance, making it more suitable for marine fittings, chemical equipment, pumps, valves, and industrial piping.
Electrical Properties of 302 vs 316 Stainless Steel
Electrical properties describe how easily a material allows electric current to flow.
Both 302 and 316 stainless steel are electrical conductors, but their electrical conductivity is relatively low compared with copper and aluminum. Their electrical properties are influenced by alloy composition, temperature, and material condition.
| Electrical Property | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Electrical resistivity | Approximately 0.72 µΩ·m | Approximately 0.74 µΩ·m |
| Electrical conductivity | Low | Low |
Electrical Resistivity
Electrical resistivity measures how strongly a material resists the flow of electric current.
302 stainless steel has an electrical resistivity of approximately 0.72 µΩ·m, while 316 stainless steel has a similar value, commonly around 0.74 µΩ·m. These values are substantially higher than those of copper and aluminum. As a result, neither material is normally selected for applications requiring highly efficient electrical conduction.
However, both grades can be used in electrical equipment where corrosion resistance, structural strength, and durability are more important than electrical conductivity.
Magnetic Properties of 302 vs 316 Stainless Steel
Magnetic properties describe how a material responds to an applied magnetic field.
Both 302 and 316 stainless steel are austenitic grades. In their fully annealed conditions, they are generally considered non-magnetic or weakly magnetic.
However, their magnetic behavior can change during manufacturing. Cold working processes such as drawing, rolling, stretching, and bending can induce martensitic transformation in some austenitic stainless steels. This transformation can increase magnetic response.
Applications of 302 Stainless Steel
302 stainless steel is widely used in manufacturing applications requiring good ductility and the ability to achieve higher strength through cold working. Its common applications include:
- Springs: 302 is widely used for mechanical springs, clips, and spring wire because cold working can significantly increase its strength.
- Wire Products: Stainless steel wire, drawn wire products, and formed wire components commonly use 302 because of its good drawing and work-hardening characteristics.
- Fasteners: Screws, bolts, nuts, and other fastening components can be manufactured from 302 stainless steel when its mechanical and corrosion properties meet the application requirements.
- Kitchen Equipment: Certain kitchen utensils, household components, and food-related products use 302 because of its appearance and general corrosion resistance.
- Automotive Components: Clips, brackets, formed components, and other mechanical parts may use 302 where moderate corrosion resistance is sufficient.
- Industrial Components: Various formed metal parts, wire assemblies, and mechanical components use 302 because of its versatility and availability.
Applications of 316 Stainless Steel
316 stainless steel is widely used in applications requiring improved corrosion resistance, especially in marine, chemical, pharmaceutical, and food processing environments. Its common applications include:
- Marine Industry: Boat fittings, marine hardware, offshore components, and selected seawater-related equipment use 316 because of its improved chloride resistance.
- Chemical Processing: Tanks, pipes, valves, pumps, and processing equipment use 316 when exposed to corrosive chemicals compatible with the alloy.
- Medical Industry: Medical equipment, surgical instruments, and certain healthcare components use 316 or related grades because of their corrosion resistance and cleanability.
- Food Processing: Food production machinery, storage tanks, piping systems, and processing equipment frequently use 316 where cleaning chemicals and corrosive substances are involved.
- Pharmaceutical Industry: Pharmaceutical processing equipment, tanks, and piping systems use 316L in many applications requiring corrosion resistance and cleanable surfaces.
- Architectural Applications: Exterior fittings, coastal building components, and decorative hardware may use 316 where exposure to salt and moisture is significant.
Cost of 302 vs 316 Stainless Steel
Cost is an important factor when choosing between 302 and 316 stainless steel.
In general, 316 stainless steel is more expensive than 302 because of its higher nickel content and the addition of molybdenum. The actual price difference depends on raw material market conditions, product dimensions, manufacturing processes, supplier availability, and purchase quantity.
302 is often a more economical option for applications where its corrosion resistance and mechanical performance are sufficient. 316 generally requires a higher initial material investment, but it can provide better long-term value in corrosive environments by reducing maintenance, replacement, and corrosion-related failure costs.
| Cost Factor | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Raw material cost | Generally lower | Generally higher |
| Nickel content | Lower | Higher |
| Molybdenum addition | None specified | 2–3% |
| Availability | Depends on product form and supplier | Widely available in many product forms |
| Machining cost | Depends on condition and process | Depends on condition and process |
| Fabrication cost | Generally economical | Generally higher material cost |
| Maintenance in mild environments | Relatively low | Relatively low |
| Maintenance in chloride environments | Potentially higher | Often lower |
| Long-term lifecycle cost | Favorable in suitable environments | Favorable in more corrosive environments |
Manufacturing and Machinability of 302 vs 316 Stainless Steel
Manufacturing and machinability are important considerations when selecting stainless steel for industrial applications.
Both 302 and 316 stainless steel can be processed using conventional manufacturing methods, including cutting, bending, drawing, forming, and welding. However, their work-hardening characteristics and chemical compositions can influence machining and fabrication performance.
302 stainless steel is known for its strong work-hardening behavior. This is useful for producing high-strength wire and formed components, but it can create additional challenges during machining.
316 stainless steel also work-hardens during cutting and forming. Its machining performance can be affected by its toughness, relatively low thermal conductivity, and tendency to retain heat near the cutting zone.
| Manufacturing Property | 302 Stainless Steel | 316 Stainless Steel |
|---|---|---|
| Machinability | Fair to moderate | Fair to moderate |
| Cold forming | Very good | Very good |
| Wire drawing | Very good | Good |
| Work hardening | High | High |
| Welding | Good with suitable procedures | Good with suitable procedures |
| Cutting | Requires suitable tooling | Requires suitable tooling |
| Grinding | Possible with appropriate methods | Possible with appropriate methods |
| Fabrication cost | Generally economical | Generally higher material cost |
Machining
Machining involves cutting and shaping a material to achieve the required dimensions, geometry, and surface finish.
Both 302 and 316 stainless steel can be more difficult to machine than many low-carbon steels. Their tendency to work-harden means that improper cutting conditions can increase tool wear and make subsequent machining operations more difficult.
316 can be particularly challenging in some machining operations because of its toughness and thermal behavior. Proper cutting tools, stable workholding, appropriate feed rates, and effective lubrication are important when machining either grade.
Forming
Forming involves shaping a material through plastic deformation without causing cracks or other forms of failure. Both 302 and 316 stainless steel offer good forming capabilities.
302 is particularly suitable for wire drawing, spring manufacturing, and cold forming because of its ductility and work-hardening characteristics. 316 can also be formed into various shapes for tanks, piping, industrial equipment, and fabricated components.
302 vs 316 Stainless Steel: Which Material Should You Choose?
Choosing between 302 and 316 stainless steel depends on the specific requirements of the application, particularly the level of corrosion resistance, mechanical performance, and overall material cost.
- Choose 302 stainless steel when good corrosion resistance, high strength, and cost efficiency are the main considerations. 302 stainless steel offers good mechanical properties, excellent formability, and general corrosion resistance, making it suitable for springs, fasteners, wire products, stamped components, and general-purpose applications in relatively mild environments.
- Choose 316 stainless steel when superior corrosion resistance, particularly against chlorides and harsh chemicals, is required. With the addition of molybdenum, 316 stainless steel provides better resistance to pitting and crevice corrosion, making it particularly suitable for marine equipment, chemical processing, pharmaceutical equipment, food processing, and other applications exposed to aggressive environments.
Before making the final decision, engineers should consider the actual stainless steel grade, product specification, material condition, operating temperature, chemical exposure, mechanical loading, and expected service life.
For welded components, 316L may be a more appropriate choice than standard 316 when resistance to sensitization and intergranular corrosion is particularly important.