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STS305 Application:KS standard austenite stainless steel bars(KS D3706-1992)
Category Type Steel grade Standard Country
Grades Special Alloy STS305 KS Korea

Chemical composition % of the ladle analysis of grade STS305

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.12 Max 1.00 Max 2.00 Max 0.045 Max 0.03 17.0-19.0 10.5-13.0
KS standard austenite stainless steel bars(KS D3706-1992)
Mechanical properties of grade STS305
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)
659 (≥) 435 (≥) 11 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Physical properties of grade STS305
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
971 (≥) 952 (≥) 33 41 12 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
181 511 835
STS305 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
STS305 KS Korea
Stainless steel bars
STS305J1WSA KS Korea
Stainless steel wires for cold heading and cold forging
STS305J1WSB KS Korea
Stainless steel wires for cold heading and cold forging
STS305WSA KS Korea
Stainless steel wires for cold heading and cold forging
STS305WSB KS Korea
Stainless steel wires for cold heading and cold forging
STS305J1 KS Korea
Stainless steel wires
STS305J1WSB KS Korea
Stainless steel wires for cold heading and cold forging

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