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SA-672 L 70

America ASME SA-672L70 中温高压用电熔化焊公称管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-672L70 / SA-672 L 70
Category Grade Standard Region/Area Standard Content
Metals SA-672 L 70 ASME SA-672 America 中温高压用电熔化焊公称管

Chemical composition(mass fraction)(wt.%) of the SA-672 L 70

Element Min Max Similar
Si 0.1300 0.4500 -
S - 0.0350 -
P - 0.0350 -
Mo 0.4100 0.6400 -
Mn - 0.9800 -
C - 0.2000 -

Mechanical Properties of steel grade SA-672 L 70

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)
174 (≥) 655 (≥) 44 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade SA-672 L 70

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
41 - -     0.21 -  
299 646 - 33.3 344   -  
835 - 21 33.2   232 244

Heat Treatment of steel grade SA-672 L 70

Heat treated : 1978°C - 1879°C

Technological Curves of steel grade SA-672 L 70

Cross Reference Table (Equivalent Grade) of SA-672 L 70

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