KS STS31Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | STS31 | KS | Korea |
Chemical composition%of the ladle analysis of gradeSTS31
| C(％) | Si(％) | Mn(％) | Cr(％) |
|---|---|---|---|
| 0.95-1.05 | ≤0.35 | 0.90-1.20 | 0.80-1.20 |
| 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) |
|---|---|---|---|---|---|---|
| 434(≥) | 423(≥) | 34 | 31 | 41 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 443 |
| 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 |
|---|---|---|---|---|---|---|---|
| 425(≥) | 999(≥) | 42 | 33 | 44 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 111 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 749 | 149 | 286 |
| 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 |
|---|---|---|---|
| STS310S | KS | Korea | Special alloys steel for chemical plant |
| STS310STB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
| STS310SFB | KS | Korea | Stainless steel blooms and billets for forgings |
| STS310STP | KS | Korea | Stainless lined steel pipe |
| STS310STPY | KS | Korea | Large diameter welded stainless steel pipes |
| STS316 | KS | Korea | Special alloys steel for chemical plant |
| STS316F | KS | Korea | Stainless steel bars |
| STS316TKA | KS | Korea | Stainless steel pipes for machine and structural purposes |
| STS316TKC | KS | Korea | Stainless steel pipes for machine and structural purposes |
| STS316HTB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
| STS316HTF | KS | Korea | Steel tubes for fired heater |
| STS316TB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
| STS316TF | KS | Korea | Steel tubes for fired heater |
| STS316TBS | KS | Korea | Stainless steel sanitary pipes |
| STS316TPD | KS | Korea | Stainless lined steel pipe |
| STS316TPY | KS | Korea | Large diameter welded stainless steel pipes |
| STS316WSA | KS | Korea | Stainless steel wires for cold heading and cold forging |
| STS316WSB | KS | Korea | Stainless steel wires for cold heading and cold forging |
| STS316CA | KS | Korea | Cold - rolled formed stainless steel equal leg angles |
| STS316FB | KS | Korea | Stainless steel blooms and billets for forgings |