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Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | STS3 | KS | Korea |
Chemical composition%of the ladle analysis of gradeSTS3
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) |
---|---|---|---|---|---|---|
784(≥) | 812(≥) | 43 | 21 | 13 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 213 |
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 |
---|---|---|---|---|---|---|---|
493(≥) | 541(≥) | 21 | 32 | 23 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 333 | |
Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
145 | 922 | 991 |
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 |