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China YB 37CrMoA 石油钻具用钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 37CrMoA / 37CrMoA
Category Grade Standard Region/Area Standard Content
Metals 37CrMoA YB/T 4236 China 石油钻具用钢棒

Chemical composition(mass fraction)(wt.%) of the 37CrMoA

Element Min Max Similar
S - 0.0100 -
P - 0.0200 -
Cu - 0.2000 -
Ni - 0.2500 -
Mo 0.1500 0.2500 -
Cr 0.9000 1.2000 -
Si 0.1500 0.3500 -
Mn 0.7000 1.0000 -
C 0.3400 0.4100 -

Mechanical Properties of steel grade 37CrMoA

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)
999 (≥) 374 (≥) 43 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 37CrMoA

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
24 - -     0.41 -  
372 239 - 11.3 332   -  
223 - 32 33.2   221 211

Heat Treatment of steel grade 37CrMoA

Heat treated : 1184°C - 1525°C

Technological Curves of steel grade 37CrMoA

Cross Reference Table (Equivalent Grade) of 37CrMoA

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