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KTB 400-05

China JB KTB400-05 可锻铸铁热处理 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: KTB400-05 / KTB 400-05
Category Grade Standard Region/Area Standard Content
Metals KTB 400-05 JB/T 7529 China 可锻铸铁热处理

Chemical composition(mass fraction)(wt.%) of the KTB 400-05

Element Min Max Similar

Mechanical Properties of steel grade KTB 400-05

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)
769 (≥) 453 (≥) 23 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade KTB 400-05

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 - -     0.11 -  
891 132 - 34.3 434   -  
758 - 23 21.2   411 412

Heat Treatment of steel grade KTB 400-05

Heat treated : 1638°C - 1749°C

Technological Curves of steel grade KTB 400-05

Cross Reference Table (Equivalent Grade) of KTB 400-05

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