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America ASTM X65 直缝埋弧焊管用热轧钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X65 / X65
Category Grade Standard Region/Area Standard Content
Metals X65 -- America 直缝埋弧焊管用热轧钢板

Chemical composition(mass fraction)(wt.%) of the X65

Element Min Max Similar
C - 0.0900 -
Mn - 1.6000 -
P - 0.0200 -
S - 0.0040 -
Si - 0.3500 -
Nb - 0.0600 -
V - 0.0600 -
Ti - 0.0250 -
Mo - 0.3000 -
Cr - 0.2500 -
Ni - 0.3000 -
Al - 0.0600 -
N - 0.0090 -
Cu - 0.3000 -

Mechanical Properties of steel grade X65

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)
148 (≥) 652 (≥) 31 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade X65

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
21 - -     0.12 -  
941 811 - 13.3 343   -  
639 - 41 21.2   224 142

Heat Treatment of steel grade X65

Heat treated : 1618°C - 1821°C

Technological Curves of steel grade X65

Cross Reference Table (Equivalent Grade) of X65

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