KS STS44 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | STS44 | KS | Korea |
Chemical composition % of the ladle analysis of grade STS44
| C(％) | Si(％) | Mn(％) | Cr(％) | V(%) |
|---|---|---|---|---|
| 0.80-0.90 | ≤0.25 | ≤0.30 | ≤0.20 | 0.10-0.25 |
| 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) |
|---|---|---|---|---|---|---|
| 284 (≥) | 628 (≥) | 32 | 34 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 |
| 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 |
|---|---|---|---|---|---|---|---|
| 723 (≥) | 348 (≥) | 32 | 41 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 675 | 369 | 195 |
| 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 |
|---|---|---|---|
| STS447J1 | KS | Korea | Stainless steel bars |
| STS440A | KS | Korea | Stainless steel bars |
| STS440B | KS | Korea | Stainless steel bars |
| STS440C | KS | Korea | Stainless steel bars |
| STS440F | KS | Korea | Stainless steel bars |
| STS444 | KS | Korea | Hot rolled stainless steel plates, sheets and strip |
| STS444TB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
| STS444TP | KS | Korea | Stainless lined steel pipe |