KS STS31 Enquiry | Print this page
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STS31 - KS
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Chemical composition % of the ladle analysis of grade STS31
| 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) |
|---|---|---|---|---|---|---|
| 688 (≥) | 546 (≥) | 14 | 34 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 |
| 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 |
|---|---|---|---|---|---|---|---|
| 587 (≥) | 836 (≥) | 42 | 21 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 489 | 478 | 486 |
| 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 | Special alloys steel for chemical plant |
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| STS310STB | Stainless steel for boiler and heat exchanger tubes |
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| STS310SFB | Stainless steel blooms and billets for forgings |
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| STS310STP | Stainless lined steel pipe |
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| STS310STPY | Large diameter welded stainless steel pipes |
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| STS316 | Special alloys steel for chemical plant |
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| STS316F | Stainless steel bars |
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| STS316TKA | Stainless steel pipes for machine and structural purposes |
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| STS316TKC | Stainless steel pipes for machine and structural purposes |
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| STS316HTB | Stainless steel for boiler and heat exchanger tubes |
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| STS316HTF | Steel tubes for fired heater |
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| STS316TB | Stainless steel for boiler and heat exchanger tubes |
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| STS316TF | Steel tubes for fired heater |
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| STS316TBS | Stainless steel sanitary pipes |
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| STS316TPD | Stainless lined steel pipe |
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| STS316TPY | Large diameter welded stainless steel pipes |
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| STS316WSA | Stainless steel wires for cold heading and cold forging |
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| STS316WSB | Stainless steel wires for cold heading and cold forging |
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| STS316CA | Cold - rolled formed stainless steel equal leg angles |
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| STS316FB | Stainless steel blooms and billets for forgings |