KS STSXM7Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | STSXM7 | KS | Korea | 
Chemical composition%of the ladle analysis of gradeSTSXM7
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | 
|---|---|---|---|---|---|---|---|
| Max 0.08 | Max 1.00 | Max 2.00 | Max 0.045 | Max O.030 | 17.O-19.0 | 8.50-1O.5 | 3.00-4.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 897(≥) | 928(≥) | 31 | 33 | 32 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 331 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 174(≥) | 834(≥) | 34 | 44 | 24 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 224 | |
| Temp. °C/°F  | Creep strain limit (10000h) (Rp1,0)N/mm2  | Creep rupture strength (10000h) (Rp1,0)N/mm2  | |||||
| 289 | 815 | 446 | 
| 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 | 
|---|---|---|---|
| STSXM7 | KS | Korea | Stainless steel bars  | 
| STSXM7WSA | KS | Korea | Stainless steel wires for cold heading and cold forging  | 
| STSXM7WSB | KS | Korea | Stainless steel wires for cold heading and cold forging  | 
