Chemical composition of 200 series stainless steel Grade C (Max) Mn (Max) P (Max) S (Max) Si (Max) Cr Ni Mo Nitrogen (Max) Cu/ Others 201 0.15 5.50-7.50 0.06 0.03 1 16.00-18.00 3.50-5.50 - 0.25 202 0.15 7.50-10.00 0.06 0.03 1 17.00-19.00 4.00-6.00 - 0.25 301 0.15 2 0.045 0.03 1 16.00 - 18.00 6.00 - 8.00 - 0.1 304 0.08 2 0.045 0.03 1 18.00 - 20.00 8.00- 10.50 - 0.1 - 304L 0.03 2 0.045 0.03 1 18.00 - 20.00 8.00- 12.00 - 0.1 - 310S 0.08 2 0.045 0.03 1.5 24.00- 26.00 19.00-22.00 - - - 316 0.08 2 0.045 0.03 1 16.00 - 18.00 10.00- 14.00 2.00 - 3.00 0.1 316L 0.03 2 0.045 0.03 1 16.00 - 18.00 10.00- 14.00 2.00 - 3.00 0.1 -- 316Ti 0.08 2 0.045 0.03 1 16.00 - 18.00 10.00- 14.00 2.00 - 3.00 0.1 Ti5x C Min 317 0.08 2 0.045 0.03 0.75 18.00 - 20.00 11.00 - 14.00 3.00 - 4.00 0.1 - 317L 0.03 2 0.045 0.03 0.75 18.00 - 20.00 11.00 - 15.00 3.00 - 4.00 0.1 - 321 0.08 2 0.045 0.03 0.75 17.00 - 19.00 9.00 - 12.00 - 0.1 Ti5xC Min 347 0.08 2 0.045 0.03 0.75 17.00 - 19.00 9.00 - 13.00 - Mechanical Properties Grade YS(Mpa) ≥ TS (Mpa) ≥ El (%)≥ Hardness(HV) ≤ 201 (mid copper) 200 520 25 210 201 (high copper) 200 520 35 210 202 200 590 40 180 Applications 1. Auto Parts: Mobile phone Outer shelL,Disc switch , Etching parts, Electronic stamping parts ,Electron gun parts , Protecting tube of Optical fiber cable, Cylinder Gasket , Piston expansion ring,End cap of Auto filter,Decoration strip 2. Kitchen appliance: Stainless Steel Kitchenware 3. Textile and light industry: Weaving machine shaft ,Weaving machine loom reed 4. Medical Devices: Surgical Blade , Surgical Needle , Catheter stents for operation. 5. Construction Decoration: Elevator, Floor Heating , Other decorations 6. Aerospace: Aero turbine Fastener ,Stainless steel membrane, Precision stainless steel capsule