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STS310S Application:KS standard austenite stainless steel bars(KS D3706-1992)
Category Type Steel grade Standard Country
Grades Special Alloy STS310S KS Korea

Chemical composition % of the ladle analysis of grade STS310S

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.08 Max 1.50 Max 2.00 Max 0.045 Max 0.03 24.0-26.0 19.0-22.0
KS standard austenite stainless steel bars(KS D3706-1992)
Mechanical properties of grade STS310S
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)
172 (≥) 998 (≥) 11 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 114
Physical properties of grade STS310S
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
359 (≥) 698 (≥) 42 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
466 742 898
STS310S 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
STS310S KS Korea
Special alloys steel for chemical plant
STS310STB KS Korea
Stainless steel for boiler and heat exchanger tubes
STS310SFB KS Korea
Stainless steel blooms and billets for forgings
STS310STP KS Korea
Stainless lined steel pipe
STS310STPY KS Korea
Large diameter welded stainless steel pipes

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