Description
Chemical Composition and Mechanical Properties of ASTM A240 316L Stainless Steel
Chemical Composition:
| Element | Percentage |
|---|---|
| Carbon (max) | 0.030 |
| Chromium | 16.0-18.0 |
| Nickel | 10.0-14.0 |
| Molybdenum | 2.0-3.0 |
| Manganese (max) | 2.0 |
| Silicon (max) | 0.75 |
| Phosphorus (max) | 0.045 |
| Sulfur (max) | 0.030 |
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength (min) | 485 MPa |
| Yield Strength (min) | 170 MPa |
| Elongation (min) | 40% |
| Hardness (max) | 217 Brinell, 95 HRB |
Applications and Industries Using 316L Stainless Steel Plates and Coils
316L stainless steel is widely used in:
- Chemical processing equipment
- Food processing and pharmaceutical industries
- Marine applications
- Oil and gas sector
- Automotive exhaust systems
- Medical devices and surgical instruments
- Heat exchangers and pressure vessels
Corrosion Resistance and Performance Benefits of 316L
316L offers excellent corrosion resistance, particularly in chloride environments. Key benefits include:
- Superior resistance to pitting and crevice corrosion
- Good performance in marine atmospheres
- Excellent resistance to sulfuric, hydrochloric, acetic, formic, and tartaric acids
- Low carbon content minimizes carbide precipitation during welding
Manufacturing Process and Available Forms
316L is typically produced through controlled rolling processes. Available forms include:
- Plates
- Coils
- Sheets
- Strips
Welding and Fabrication Considerations for 316L Stainless Steel
316L has excellent weldability due to its low carbon content. Key points:
- Can be welded using standard fusion and resistance welding methods
- No preheating required
- Post-weld heat treatment generally not necessary
- Filler metals should match or exceed the alloy content of the base metal
Comparison of 316L with Other Austenitic Stainless Steel Grades
| Grade | Yield Strength (min MPa) | Corrosion Resistance | Mo Content |
|---|---|---|---|
| 316L | 170 | Excellent | 2.0-3.0% |
| 316 | 205 | Very Good | 2.0-3.0% |
| 304 | 205 | Good | – |
At HL Steel Company, we provide high-quality ASTM A240 316L (S31603) stainless steel plates and coils, ensuring optimal performance for your corrosion-resistant applications.





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