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B20Cr2MoNi

China 宝钢Q/BQB B20Cr2MoNi 钢质连续抽油杆用盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B20Cr2MoNi / B20Cr2MoNi
Category Grade Standard Region/Area Standard Content
Metals B20Cr2MoNi BZJ 560 China 钢质连续抽油杆用盘条

Chemical composition(mass fraction)(wt.%) of the B20Cr2MoNi

Element Min Max Similar
Cu - 0.3000 -
Al 0.0200 0.0500 -
Ni 0.1500 0.2500 -
Mo 0.1500 0.2500 -
Cr 1.8000 2.1000 -
S - 0.0100 -
P - 0.0150 -
Mn 0.4000 0.6000 -
Si 0.1500 0.3000 -
C 0.1700 0.2300 -

Mechanical Properties of steel grade B20Cr2MoNi

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)
983 (≥) 155 (≥) 43 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade B20Cr2MoNi

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 - -     0.21 -  
915 241 - 13.3 222   -  
383 - 34 44.2   334 112

Heat Treatment of steel grade B20Cr2MoNi

Heat treated : 1449°C - 1215°C

Technological Curves of steel grade B20Cr2MoNi

Cross Reference Table (Equivalent Grade) of B20Cr2MoNi

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