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316L stainless steel products
Release Date:
2024-08-06
Author:
316L, China’s old GB grade 00Cr17Ni14Mo2, China’s new GB grade 022Cr17Ni12Mo2, the unified numerical designation S31603, the U.S. UNS standard grade S31603, Taiwan’s CNS standard grade 316L, and Japan’s JIS standard grade SUS316L.
316L, China’s old GB grade 00Cr17Ni14Mo2, China’s new GB grade 022Cr17Ni12Mo2, the unified numerical designation S31603, the U.S. UNS standard grade S31603, Taiwan’s CNS standard grade 316L, and Japan’s JIS standard grade SUS316L.
Currently, most 316L stainless steels available on the market are manufactured in accordance with U.S. standards. For cost‑saving reasons, steelmakers often keep the nickel content at the lower limit of the specification. Under U.S. standards, the nickel content of 316L ranges from 10% to 14%, whereas Japanese standards specify a range of 12% to 15%. Based on the minimum values, the two sets of standards differ by 2 percentage points in nickel content—a gap that remains quite significant in pricing terms. Therefore, when purchasing 316L products, customers should carefully verify whether the material complies with ASTM or JIS standards.
SUS316L belongs to the Japanese SUS series of stainless steels; with a lower carbon content than 316 steel, it exhibits superior resistance to intergranular corrosion. It is widely used in industries such as chemical processing, synthetic fibers, and fertilizer production, serving as an important corrosion‑resistant material. In addition to excellent atmospheric corrosion resistance and high‑temperature strength, it can withstand harsh operating conditions, making it ideal for applications requiring exceptional resistance to intergranular corrosion and low susceptibility to work hardening—such as seawater‑exposed equipment, paper‑making machinery, other industrial production equipment, and acetic acid production units. The maximum carbon content of 316L stainless steel is 0.03%, rendering it particularly suitable for situations where post‑weld annealing is not feasible and stringent corrosion resistance is required.
316L stainless steel, with its low carbon content and 2% to 3% molybdenum addition, significantly enhances corrosion resistance to reducing salts as well as various inorganic acids, organic acids, alkalis, and salts, while also exhibiting excellent high-temperature strength.
Chemical composition of 316L stainless steel
316L C Mn P S Si Cr Ni Mo
Requirements % 0.03 2.00 0.035 0.030 1.00 16.0-18.0 10.0-14.0 2.0-3.0
Mechanical properties
|
|
Stretching Strength MPa |
Yield strength MPa |
Elongation (%) |
Henry Brandt |
Herb |
High pressure |
| 316I |
≥ 480 |
≥ 177 |
≥ 40 |
≤ 187 |
≤ 90 |
≤ 200
|
Mechanical properties
Tensile strength MPa
Yield strength MPa
Elongation (%)
Brinell hardness, Rockwell hardness, Vickers hardness
316L ≥480 ≥177 ≥40 ≤187 ≤90 ≤200
Performance Advantages of 316L Stainless Steel
1) Cold-rolled products have excellent surface luster and an attractive appearance.
2) The addition of molybdenum significantly enhances corrosion resistance, particularly its excellent pitting resistance.
3) Excellent high-temperature strength;
4) Excellent work-hardening properties (with relatively weak magnetism after processing);
5) Non-magnetic in the solid-solution state.
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