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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | STSXM27 | KS | Korea |
Chemical composition%of the ladle analysis of gradeSTSXM27
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | N(%) | Cu(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|
| Max 0.010 | Max O.40 | Max O.40 | Max 0.03 | Max O.020 | 25.0-27.O | 0.75-1.50 | Max O.015 | Max 0.20 | Ni+CuMax 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) |
|---|---|---|---|---|---|---|
| 391(≥) | 387(≥) | 22 | 22 | 13 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 422 |
| 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 |
|---|---|---|---|---|---|---|---|
| 668(≥) | 174(≥) | 44 | 22 | 34 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 134 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 848 | 876 | 466 |
| 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 |
|---|---|---|---|
| STSXM27 | KS | Korea | Stainless steel bars |
| STSXM27TB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
| STS XM27 | KS | Korea | Special alloys steel for chemical plant |