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China YB 650TG178 具有规定磁性能和力学性能的钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 650TG178 / 650TG178
Category Grade Standard Region/Area Standard Content
Metals 650TG178 YB/T 4321 China 具有规定磁性能和力学性能的钢板及钢带

Chemical composition(mass fraction)(wt.%) of the 650TG178

Element Min Max Similar

Mechanical Properties of steel grade 650TG178

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)
849 (≥) 237 (≥) 21 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 650TG178

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
14 - -     0.33 -  
698 298 - 33.3 233   -  
127 - 33 13.2   323 443

Heat Treatment of steel grade 650TG178

Heat treated : 1836°C - 1991°C

Technological Curves of steel grade 650TG178

Cross Reference Table (Equivalent Grade) of 650TG178

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