KS STS3 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | STS3 | KS | Korea |
Chemical composition % of the ladle analysis of grade STS3
| C(％) | Si(％) | Mn(％) | Cr(％) | W(%) |
|---|---|---|---|---|
| 0.90-0.10 | ≤0.35 | 0.90-1.20 | 0.50-1.00 | 0.50-1.00 |
| 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) |
|---|---|---|---|---|---|---|
| 445 (≥) | 581 (≥) | 33 | 43 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
| 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 |
|---|---|---|---|---|---|---|---|
| 145 (≥) | 514 (≥) | 14 | 21 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 327 | 864 | 157 |
| 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 |
|---|---|---|---|
| STS301 | KS | Korea | Stainless steel bars |
| STS301CSP | KS | Korea | Cold rolled stainless steel strip for springs |
| STS302 | KS | Korea | Stainless steel bars |
| STS302FB | KS | Korea | Stainless steel blooms and billets for forgings |
| STS303 | KS | Korea | Free - machining stainless steel wire and wire rods |
| STS303Cu | KS | Korea | Stainless steel bars |
| STS303Se | KS | Korea | Free - machining stainless steel wire and wire rods |
| STS304 | KS | Korea | Special alloys steel for chemical plant |
| STS304L | KS | Korea | Special alloys steel for chemical plant |
| STS304LTB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
| STS304LTBS | KS | Korea | Stainless steel sanitary pipes |
| STS304LTPY | KS | Korea | Large diameter welded stainless steel pipes |
| STS304LWSA | KS | Korea | Stainless steel wires for cold heading and cold forging |
| STS304LWSB | KS | Korea | Stainless steel wires for cold heading and cold forging |
| STS304LCA | KS | Korea | Cold - rolled formed stainless steel equal leg angles |
| STS304LFB | KS | Korea | Stainless steel blooms and billets for forgings |
| STS304LTP | KS | Korea | Stainless lined steel pipe |
| STS304N1 | KS | Korea | Stainless steel bars |
| STS304N2 | KS | Korea | Stainless steel bars |
| STS304LN | KS | Korea | Stainless steel bars |