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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | S240 | GBT | China |
Chemical composition%of the ladle analysis of gradeS240
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| Max 0.17 | Max 0.35 | 0.45-1.15 | 0.03 | 0.03 |
| 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) |
|---|---|---|---|---|---|---|
| 638(≥) | 416(≥) | 33 | 11 | 22 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 244 |
| 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 |
|---|---|---|---|---|---|---|---|
| 718(≥) | 992(≥) | 42 | 21 | 41 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 131 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 963 | 947 | 162 |
| 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 240 Type XM-29 | GBT | China | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 TPXM-29 | GBT | China | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 TPXM-29 | GBT | China | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 276 XM-29 | GBT | China | Stainless Steel Bars and Shapes |
| A 312 TPXM-29 | GBT | China | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 314 XM-29 | GBT | China | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 358 XM-29 | GBT | China | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 412 Type XM-29 | GBT | China | Stainless and Heat-Resisting Chromium-Nickel-Manganese Steel Plate, Sheet, and Strip |
| A 479 XM-29 | GBT | China | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 580 Type XM-29 | GBT | China | Stainless Steel Wire |
| A 688 Grade TP XM-29 | GBT | China | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| A 813 Grade TP XM-29 | GBT | China | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 Grade TP XM-29 | GBT | China | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 943 TPXM-29 | GBT | China | Spray-Formed Seamless Austenitic Stainless Steel Pipes |
| A 955 XM-29 Grade 280 | GBT | China | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 XM-29 Grade 40 | GBT | China | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 XM-29 Grade 420 | GBT | China | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 XM-29 Grade 520 | GBT | China | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 XM-29 Grade 60 | GBT | China | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| A 955 XM-29 Grade 75 | GBT | China | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |