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Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | STS4 | KS | Korea |
Chemical composition%of the ladle analysis of gradeSTS4
C(%) | Si(%) | Mn(%) | Cr(%) | W(%) |
---|---|---|---|---|
0.45-0.55 | ≤0.35 | ≤0.50 | 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) |
---|---|---|---|---|---|---|
932(≥) | 212(≥) | 44 | 22 | 13 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 222 |
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 |
---|---|---|---|---|---|---|---|
897(≥) | 554(≥) | 41 | 13 | 32 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 332 | |
Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
183 | 572 | 878 |
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 | KS | Korea | Stainless steel bars |
STS405TB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
STS405TP | KS | Korea | Stainless lined steel pipe |
STS410L | KS | Korea | Stainless steel bars |
STS430 | KS | Korea | Stainless steel bars |
STS430TKA | KS | Korea | Stainless steel pipes for machine and structural purposes |
STS430TKC | KS | Korea | Stainless steel pipes for machine and structural purposes |
STS430TB | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
STS430WSB | KS | Korea | Stainless steel wires for cold heading and cold forging |
STS430CA | KS | Korea | Cold - rolled formed stainless steel equal leg angles |
STS430TP | KS | Korea | Stainless lined steel pipe |
STS430F | KS | Korea | Free - machining stainless steel wire and wire rods |
STS430FSe | KS | Korea | Free - machining stainless steel wire and wire rods |
STS434 | KS | Korea | Stainless steel bars |
STS434WSB | KS | Korea | Stainless steel wires for cold heading and cold forging |
STS447J1 | KS | Korea | Stainless steel bars |
STS403 | KS | Korea | Stainless steel bars |
STS403FB | KS | Korea | Stainless steel blooms and billets for forgings |
STS403WSB | KS | Korea | Stainless steel wires for cold heading and cold forging |
STS410 | KS | Korea | Stainless steel bars |