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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | S315 | GBT | China |
Chemical composition%of the ladle analysis of gradeS315
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| Max 0.22 | Max 0.35 | 0.75-1.35 | 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) |
|---|---|---|---|---|---|---|
| 145(≥) | 171(≥) | 44 | 23 | 33 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 324 |
| 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 |
|---|---|---|---|---|---|---|---|
| 197(≥) | 992(≥) | 11 | 43 | 42 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 412 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 221 | 648 | 438 |
| 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 789 S31500 | GBT | China | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| A 790 S31500 | GBT | China | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A 928 S31500 | GBT | China | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A 949 S31500 | GBT | China | Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe |
| A 959 S31500 | GBT | China | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| S31500 | GBT | China | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Silicon Stainless Steel |
| SA-789 S31500 | GBT | China | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
| SA-790 S31500 | GBT | China | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
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