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China 宝钢Q/BQB BX60H 抗氢诱裂纹(HIC)管线用热连轧钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BX60H / BX60H
Category Grade Standard Region/Area Standard Content
Metals BX60H BZJ 373 China 抗氢诱裂纹(HIC)管线用热连轧钢带

Chemical composition(mass fraction)(wt.%) of the BX60H

Element Min Max Similar
N - 0.0100 -
Cu - 0.3500 -
Ti - 0.0400 -
Nb - 0.0500 -
V - 0.0800 -
Mo - 0.1000 -
Ni - 0.3000 -
Cr - 0.3000 -
P - 0.0200 -
S - 0.0020 -
Mn - 1.4500 -
Si - 0.3500 -
C - 0.1000 -

Mechanical Properties of steel grade BX60H

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)
579 (≥) 725 (≥) 11 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade BX60H

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
12 - -     0.34 -  
971 762 - 12.3 223   -  
755 - 24 41.2   432 432

Heat Treatment of steel grade BX60H

Heat treated : 1346°C - 1211°C

Technological Curves of steel grade BX60H

Cross Reference Table (Equivalent Grade) of BX60H

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