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25-7-4 Grade 110

China SY/T 25-7-4Grade110 耐蚀合金套管和油管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25-7-4Grade110 / 25-7-4 Grade 110
Category Grade Standard Region/Area Standard Content
Metals 25-7-4 Grade 110 SY/T 6950 China 耐蚀合金套管和油管

Chemical composition(mass fraction)(wt.%) of the 25-7-4 Grade 110

Element Min Max Similar
PRE 40.0000 - -
N - 0.2700 -
Mo - 4.0000 -
Ni - 7.0000 -
Cr - 25.0000 -
C - 0.0200 -

Mechanical Properties of steel grade 25-7-4 Grade 110

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)
294 (≥) 957 (≥) 21 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade 25-7-4 Grade 110

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
34 - -     0.32 -  
897 316 - 12.3 232   -  
628 - 11 33.2   232 144

Heat Treatment of steel grade 25-7-4 Grade 110

Heat treated : 1489°C - 1165°C

Technological Curves of steel grade 25-7-4 Grade 110

Cross Reference Table (Equivalent Grade) of 25-7-4 Grade 110

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