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STS302 Application:KS standard austenite stainless steel bars(KS D3706-1992)
Category Type Steel grade Standard Country
Grades Special Alloy STS302 KS Korea

Chemical composition % of the ladle analysis of grade STS302

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.15 Max 1.00 Max 2.00 Max 0.045 Max 0.03 17.0-19.0 8.00-10.0
KS standard austenite stainless steel bars(KS D3706-1992)
Mechanical properties of grade STS302
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)
712 (≥) 677 (≥) 23 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Physical properties of grade STS302
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
878 (≥) 255 (≥) 23 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
545 227 335
STS302 Range of products
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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
STS302 KS Korea
Stainless steel bars
STS302FB KS Korea
Stainless steel blooms and billets for forgings
STS302B KS Korea
Hot rolled stainless steel plates, sheets and strip

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