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STS4 - KS
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Chemical composition % of the ladle analysis of grade STS4
| 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) |
|---|---|---|---|---|---|---|
| 146 (≥) | 972 (≥) | 14 | 42 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 |
| 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 |
|---|---|---|---|---|---|---|---|
| 354 (≥) | 314 (≥) | 12 | 21 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 981 | 414 | 147 |
| 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 |
|---|---|---|---|
| STS405 | Stainless steel bars |
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| STS405TB | Stainless steel for boiler and heat exchanger tubes |
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| STS405TP | Stainless lined steel pipe |
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| STS410L | Stainless steel bars |
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| STS430 | Stainless steel bars |
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| STS430TKA | Stainless steel pipes for machine and structural purposes |
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| STS430TKC | Stainless steel pipes for machine and structural purposes |
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| STS430TB | Stainless steel for boiler and heat exchanger tubes |
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| STS430WSB | Stainless steel wires for cold heading and cold forging |
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| STS430CA | Cold - rolled formed stainless steel equal leg angles |
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| STS430TP | Stainless lined steel pipe |
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| STS430F | Free - machining stainless steel wire and wire rods |
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| STS430FSe | Free - machining stainless steel wire and wire rods |
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| STS434 | Stainless steel bars |
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| STS434WSB | Stainless steel wires for cold heading and cold forging |
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| STS447J1 | Stainless steel bars |
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| STS403 | Stainless steel bars |
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| STS403FB | Stainless steel blooms and billets for forgings |
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| STS403WSB | Stainless steel wires for cold heading and cold forging |
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| STS410 | Stainless steel bars |