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Alloy 317L (UNS S31703) is a molybdenum-bearing austenitic stainless steel with greatly increased resistance to chemical attack as compared to the conventional chromium-nickel austenitic stainless steels such as Alloy 304. In addition, Alloy 317L offers higher creep, stress-to-rupture, and tensile strength at elevated temperatures than conventional stainless steels.
Good corrosion resistance: The main alloying elements of 317 stainless steel are chromium, nickel and molybdenum, which makes it have excellent corrosion resistance and is especially suitable for use in strong acid, strong alkali and high temperature environments.Excellent mechanical properties: 317 stainless steel has high tensile strength and yield strength, high elongation, high hardness and impact toughness, and can still maintain stable performance in high temperature environments.Easy to process and weld: 317 stainless steel can be processed and deformed through a variety of methods, such as cold processing, hot processing, deep drawing, etc. In addition, it can be connected by conventional welding methods, such as argon arc welding, resistance welding, laser welding, etc.High temperature strength: 317 stainless steel can still maintain high strength and stable performance in high temperature environments, which makes it widely used in high temperature fields.It should be noted that the performance of 317 stainless steel may be affected by factors such as material condition, manufacturing process, use environment, etc. Therefore, sufficient evaluation and testing are required in specific applications.| Weight % | |||
| Chromium | 18.0 min.-20.0 max. | Phosphorus | 0.045 |
| Nickel | 11.0 min.-15.0 max. | Sulfur | 0.03 |
| Molybdenum | 3.0 min. - 4.0 max. | Silicon | 0.75 |
| Carbon | 0.03 | Nitrogen | 0.1 |
| Manganese | 2 | Iron | Balance |
| Yield Strength 0.2% Offset | Ultimate Tensile Strength | Elongation in 2 in. | Hardness | ||
|---|---|---|---|---|---|
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
| 30,000 | 205 | 75,000 | 515 | 40 | 95 Rockwell B |
| Specifications | 201/304(L)/316(L)/430/310(S)/321/410... | ||||||
| Thickness | 4mm-100mm | ||||||
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc | ||||||
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | ||||||
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | ||||||
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) | ||||||
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. | ||||||
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