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STS301 Application:KS standard austenite stainless steel bars(KS D3706-1992)
Category Type Steel grade Standard Country
Grades Special Alloy STS301 KS Korea

Chemical composition % of the ladle analysis of grade STS301

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.15 Max 1.00 Max 2.00 Max 0.045 Max 0.03 16.O-18.0 6.00-8.00
KS standard austenite stainless steel bars(KS D3706-1992)
Mechanical properties of grade STS301
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)
816 (≥) 382 (≥) 43 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Physical properties of grade STS301
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
227 (≥) 473 (≥) 42 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
252 927 854
STS301 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
STS301 KS Korea
Stainless steel bars
STS301CSP KS Korea
Cold rolled stainless steel strip for springs
STS301L KS Korea
Hot rolled stainless steel plates, sheets and strip
STS301J1 KS Korea
Hot rolled stainless steel plates, sheets and strip

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