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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | S2 | ASTM | USA |
Chemical composition%of the ladle analysis of gradeS2
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Mo(％) | V(%) |
|---|---|---|---|---|---|---|
| 0.40～0.55 | 0.90～1.20 | 0.30～0.50 | ≤0.030 | ≤0.030 | 0.30～0.60 | ≤0.50 |
| 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) |
|---|---|---|---|---|---|---|
| 633(≥) | 936(≥) | 44 | 12 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 134 |
| 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 |
|---|---|---|---|---|---|---|---|
| 214(≥) | 816(≥) | 11 | 32 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 221 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 795 | 239 | 891 |
| 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 |
|---|---|---|---|
| S20100 | ASTM | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| S20153 | ASTM | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| S20161 | ASTM | USA | Austenitic Chromium Manganese Nickel Silicon Stainless Steel |
| S20200 | ASTM | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| S20300 | ASTM | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| S20400 | ASTM | USA | S20400 |
| S20501 | ASTM | USA | Stainless steel and heat resistant steel |
| S20910 | ASTM | USA | Chemical compositions of SAE wrought stainless steels |
| XM-31 | ASTM | USA | Chemical compositions of SAE wrought stainless steels |
| S21400 | ASTM | USA | Chemical compositions of SAE wrought stainless steels |
| S21460 | ASTM | USA | Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar |
| S21500 | ASTM | USA | Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel |
| 216 | ASTM | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-479 Type XM-17 | ASTM | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| S21600 | ASTM | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| S21603 | ASTM | USA | Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel |
| S21800 | ASTM | USA | Austenitic Chromium Nickel Manganese Stainless Steel |
| A 269 S21900 | ASTM | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S21900 | ASTM | USA | Stainless Steel Bars and Shapes |
| A 314 S21900 | ASTM | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
