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Korea KS STS440B 不锈钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STS440B / STS 440B
Category Grade Standard Region/Area Standard Content
Metals STS 440B KS D 3706 Korea 不锈钢棒

Chemical composition(mass fraction)(wt.%) of the STS 440B

Element Min Max Similar

Mechanical Properties of steel grade STS 440B

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)
259 (≥) 378 (≥) 11 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade STS 440B

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
13 - -     0.11 -  
182 847 - 22.3 222   -  
227 - 33 24.2   412 214

Heat Treatment of steel grade STS 440B

Heat treated : 1739°C - 1834°C

Technological Curves of steel grade STS 440B

Cross Reference Table (Equivalent Grade) of STS 440B

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