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KmTBMn5W3

China GB KmTBMn5W3 抗磨白口铸铁件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: KmTBMn5W3 / KmTBMn5W3
Category Grade Standard Region/Area Standard Content
Metals KmTBMn5W3 GB/T 8263 China 抗磨白口铸铁件

Chemical composition(mass fraction)(wt.%) of the KmTBMn5W3

Element Min Max Similar

Mechanical Properties of steel grade KmTBMn5W3

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)
267 (≥) 898 (≥) 44 13 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade KmTBMn5W3

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
41 - -     0.13 -  
237 415 - 12.3 141   -  
545 - 21 14.2   322 222

Heat Treatment of steel grade KmTBMn5W3

Heat treated : 1594°C - 1724°C

Technological Curves of steel grade KmTBMn5W3

Cross Reference Table (Equivalent Grade) of KmTBMn5W3

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