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BG90S-3Cr

China 宝钢Q/BQB BG90S-3Cr 经济型抗腐蚀油套管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BG90S-3Cr / BG90S-3Cr
Category Grade Standard Region/Area Standard Content
Metals BG90S-3Cr BZJ 263 China 经济型抗腐蚀油套管

Chemical composition(mass fraction)(wt.%) of the BG90S-3Cr

Element Min Max Similar
Mo - 0.8000 -
Cr - 3.5000 -
S - 0.0100 -
P - 0.0200 -
Si - 0.5000 -
Mn - 0.8000 -
C - 0.3500 -

Mechanical Properties of steel grade BG90S-3Cr

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)
269 (≥) 614 (≥) 13 22 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade BG90S-3Cr

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
23 - -     0.31 -  
255 177 - 41.3 422   -  
574 - 22 22.2   434 441

Heat Treatment of steel grade BG90S-3Cr

Heat treated : 1457°C - 1299°C

Technological Curves of steel grade BG90S-3Cr

Cross Reference Table (Equivalent Grade) of BG90S-3Cr

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