Products Description
JIS G3459 316 316l Stainless Steel Pipe
Advantages of JIS G3459 316 316l Stainless Steel Pipe
- Corrosion Resistance: The molybdenum content of 316/316L forms a passive film that resists chloride ion corrosion, significantly extending pipe life. It is suitable for seawater pipelines, ship ballast tank piping, and offshore platform cooling water systems.
- Advantages of 316: Its relatively high carbon content promotes the precipitation of chromium carbides in temperatures above 600°C, enhancing the material's high-temperature strength and making it more suitable for non-welding, high-temperature applications such as high-temperature heat exchangers and furnace tubes.
- Advantages of 316L: Its low carbon content prevents post-weld intergranular corrosion, making 316L more suitable for welding applications such as pipe splicing and equipment assembly. This is particularly true in environments with long-term contact with corrosive media, such as chemical piping and medical equipment.
applications of JIS G3459 316 316l Stainless Steel Pipe
- Chemical and petrochemical industries: heat exchangers and condensers
- Marine and offshore engineering: seawater cooling systems, offshore oil and gas platforms
- Medical equipment: infusion tubing, endoscope tubing, and fluid delivery tubing for hemodialysis equipment
- Power generation and energy: boiler piping and heat exchangers
- Automotive and transportation: exhaust system components, fuel and hydraulic lines
Chemical Composition
| Grade | C (max) | Mn (max) | Si (max) | P (max) | S (max) | Cr | Ni | Mo |
| SUS 316 | 0.08 | 2.00 | 1.00 | 0.045 | 0.030 | 16.00–18.00 | 10.00–14.00 | 2.00–3.00 |
| SUS 316L | 0.03 | 2.00 | 1.00 | 0.045 | 0.030 | 16.00–18.00 | 10.00–14.00 | 2.00–3.00 |
Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation | Hardness |
| SUS 316 | ≥ 520 | ≥ 205 | ≥ 40 | ≤ 95 |
| SUS 316L | ≥ 40 | ≤ 95 |
Possible Alternative Grades
- SUS 304 / 304L: More economical, general-purpose corrosion resistance.
- SUS 317L: Higher molybdenum content for stronger resistance to pitting.
- SUS 310S: Superior high-temperature resistance for heat exchangers and furnaces.
- Duplex Stainless Steels (SUS 329J3L, 2205): Higher strength and stress corrosion cracking resistance.
- Alloy 904L: Super austenitic stainless steel with excellent resistance to strong acids.
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