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China HB 65Mn 航空结构钢热处理工艺 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 65Mn / 65Mn
Category Grade Standard Region/Area Standard Content
Metals 65Mn HB/Z 136 China 航空结构钢热处理工艺

Chemical composition(mass fraction)(wt.%) of the 65Mn

Element Min Max Similar

Mechanical Properties of steel grade 65Mn

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)
786 (≥) 281 (≥) 21 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 65Mn

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
22 - -     0.31 -  
175 295 - 11.3 113   -  
169 - 23 42.2   242 112

Heat Treatment of steel grade 65Mn

Heat treated : 1214°C - 1531°C

Technological Curves of steel grade 65Mn

Cross Reference Table (Equivalent Grade) of 65Mn

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