Home»Grades > Special Alloy > STS3
STS3Application:Carbide for cutting tools
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy STS3KSKorea

Chemical composition%of the ladle analysis of gradeSTS3

C(%)Si(%)Mn(%)Cr(%)W(%)
0.90-0.10≤0.350.90-1.200.50-1.000.50-1.00
Mechanical properties of gradeSTS3
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 ConditionBrinell hardness(HBW)
341(≥)838(≥)124431Solution and Aging,Annealing,Ausaging,Q+T,etc121
Physical properties of gradeSTS3
PropertyDensity
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
443(≥)284(≥)431323Solution and Aging,Annealing,Ausaging,Q+T,etc132
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
924754657
STS3Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
STS301KSKorea
Stainless steel bars
STS301CSPKSKorea
Cold rolled stainless steel strip for springs
STS302KSKorea
Stainless steel bars
STS302FBKSKorea
Stainless steel blooms and billets for forgings
STS303KSKorea
Free - machining stainless steel wire and wire rods
STS303CuKSKorea
Stainless steel bars
STS303SeKSKorea
Free - machining stainless steel wire and wire rods
STS304KSKorea
Special alloys steel for chemical plant
STS304LKSKorea
Special alloys steel for chemical plant
STS304LTBKSKorea
Stainless steel for boiler and heat exchanger tubes
STS304LTBSKSKorea
Stainless steel sanitary pipes
STS304LTPYKSKorea
Large diameter welded stainless steel pipes
STS304LWSAKSKorea
Stainless steel wires for cold heading and cold forging
STS304LWSBKSKorea
Stainless steel wires for cold heading and cold forging
STS304LCAKSKorea
Cold - rolled formed stainless steel equal leg angles
STS304LFBKSKorea
Stainless steel blooms and billets for forgings
STS304LTPKSKorea
Stainless lined steel pipe
STS304N1KSKorea
Stainless steel bars
STS304N2KSKorea
Stainless steel bars
STS304LNKSKorea
Stainless steel bars

Enquiry