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25-32-3 Grade 125

China SY/T 25-32-3Grade125 耐蚀合金套管和油管 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals 25-32-3 Grade 125 SY/T 6950 China 耐蚀合金套管和油管

Chemical composition(mass fraction)(wt.%) of the 25-32-3 Grade 125

Element Min Max Similar
Mo - 3.0000 -
Ni - 32.0000 -
Cr - 25.0000 -
C - 0.0200 -

Mechanical Properties of steel grade 25-32-3 Grade 125

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)
678 (≥) 975 (≥) 21 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade 25-32-3 Grade 125

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
24 - -     0.24 -  
497 679 - 23.3 321   -  
952 - 12 23.2   412 112

Heat Treatment of steel grade 25-32-3 Grade 125

Heat treated : 1969°C - 1721°C

Technological Curves of steel grade 25-32-3 Grade 125

Cross Reference Table (Equivalent Grade) of 25-32-3 Grade 125

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