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China GB ML18CrMo 冷镦钢丝 第1部分:热处理型冷镦钢丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ML18CrMo / ML18CrMo
Category Grade Standard Region/Area Standard Content
Metals ML18CrMo GB/T 5953.1 China 冷镦钢丝 第1部分:热处理型冷镦钢丝

Chemical composition(mass fraction)(wt.%) of the ML18CrMo

Element Min Max Similar

Mechanical Properties of steel grade ML18CrMo

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)
667 (≥) 554 (≥) 32 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade ML18CrMo

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
42 - -     0.34 -  
365 114 - 13.3 412   -  
457 - 43 12.2   214 314

Heat Treatment of steel grade ML18CrMo

Heat treated : 1533°C - 1783°C

Technological Curves of steel grade ML18CrMo

Cross Reference Table (Equivalent Grade) of ML18CrMo

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