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Description

Korea KS STS303Se KS standard austenite stainless steel bars(KS D3706-1992) and STS303Se Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: STS303Se
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS303Se KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
Martensite 11
Martensite 600
Martensite 616
Austenitic 309
STS317LN
STS201
STS 202
STS301
STS302
STS303

Chemical composition(mass fraction)(wt.%) of the STS303Se

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Other(%)
Max 0.15 Max 1.00 Max 2.00 Max 0.2 Max 0.06 17.0-19.0 8.00-10.00 Max 0.60 Se: max 0.15

Mechanical Properties of steel grade STS303Se

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
295 (≥) 892 (≥) 12 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade STS303Se

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
44 - -     0.41 -  
477 549 - 42.3 131   -  
698 - 11 42.2   143 433

Heat Treatment of steel grade STS303Se

Heat treated : 1453°C - 1693°C

Technological Curves of steel grade STS303Se

Cross Reference Table (Equivalent Grade) of STS303Se

Grade Standard Country Application
STS303Se KS Korea KS standard austenite stainless steel bars(KS D3706-1992)

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