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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | SM | SS | Sweden |
Chemical composition%of the ladle analysis of gradeSM
| Co(%) |
|---|
| 11 |
| Proof strength Rp0.2(MPa) | Tensile strength Rm(MPa) | Impact energy KV(J) | Elongation at fracture A(%) | Reduction in cross section on fracture Z(%) | As-Heat-Treated Condition | Brinell hardness(HBW) |
|---|---|---|---|---|---|---|
| 559(≥) | 421(≥) | 21 | 44 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 444 |
| Property | Density kg/dm3 | Temperature T °C/F | Specific heat J/kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm | Modulus of elasticity kN/mm2 | Expansion rate |
|---|---|---|---|---|---|---|---|
| 283(≥) | 633(≥) | 42 | 21 | 43 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 423 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 938 | 874 | 496 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates/Sheets | Plates/Sheets | 0.08-200mm(T)*W*L | Forging,hot rolling and cold rolling | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
| Steel Bar | Round Bar,Flat Bar,Square Bar | Φ8-1200mm*L | Forging,hot rolling and cold rolling,Cast | Black,Rough Turning,Shot Blasting, |
| Coil/Strip | Steel Coil/Steel Strip | 0.03-16.0x1200mm | Cold-Rolled&Hot-Rolled | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
| Pipes/Tubes | Seamless Pipes/Tubes,Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion,Cold Drawn,Welded | Annealed,Solution and Aging,Q+T,ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 167 S31254 | SS | Sweden | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 213 S31254 | SS | Sweden | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 S31254 | SS | Sweden | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S31254 | SS | Sweden | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 S31254 | SS | Sweden | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 270 S31254 | SS | Sweden | Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
| A 276 S31254 | SS | Sweden | Stainless Steel Bars and Shapes |
| A 312 S31254 | SS | Sweden | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 358 S31254 | SS | Sweden | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 403 CRS31254 | SS | Sweden | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| A 403 WP S31254 | SS | Sweden | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| A 409 S31254 | SS | Sweden | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 473 S31254 | SS | Sweden | Stainless Steel Forgings |
| A 479 S31254 | SS | Sweden | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 688 S31254 | SS | Sweden | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| A 813 S31254 | SS | Sweden | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 S31254 | SS | Sweden | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 943 S31254 | SS | Sweden | Spray-Formed Seamless Austenitic Stainless Steel Pipes |
| A 959 S31254 | SS | Sweden | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| A 988 S31254 | SS | Sweden | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |