Retra Medical
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SAE 316L grade stainless steel, also known as A4 or marine grade stainless steel, is the second most common austenitic stainless steel after 304. It contains chromium (16-18%), nickel (10-12%), and molybdenum (2-3%). The addition of molybdenum provides superior corrosion resistance, particularly against chlorides and reducing acids like sulfuric acid.
| Country | Japan | Germany | USA | China |
|---|---|---|---|---|
| Standard | JIS | DIN | ASTM | GB/T |
| Grade | SUS316L | 1.4436 | 316L | 07Cr17Ni14Mo2 |
| Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr | Mo | Ni | N≤ |
|---|---|---|---|---|---|---|---|---|---|
| 316L | 0.03 | 0.75 | 2.0 | 0.045 | 0.04 | 16-18 | 2-3 | 10-14 | 0.1 |
| 1.4436 | 0.05 | 1.0 | 2.0 | 0.045 | 0.03 | 16.5-18.5 | 2.5-3.0 | 10.5-13 | 0.1 |
Mechanical properties including tensile strength, yield strength, elongation, and hardness vary based on heat treatments such as annealing or solid solution. This material is widely used in demanding environments due to its stable structural integrity.
| Category | Details | |
|---|---|---|
| Size Range | Round | Dia 0.1-500mm |
| Plate/Flat | Thick: 0.3-200mm | Width: 1-2500mm | |
| Heat Treatment | Annealed; Solid Solution | |
| Surface Condition | Black; Peeled; Polished; Machined; Sand blast | |
| Applications | Food processing, Medical implants, Marine fittings, Chemical containers, Heat exchangers | |
Our facility utilizes advanced smelting and forging equipment, including 50t ultra-high power electric arc furnaces, LF refining furnaces, and vacuum degassing units. Forging capabilities cover round steel, flats, shafts, and rollers with piece weights up to 50T.
