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China NB CF3 压水堆核电厂阀门 第3部分:不锈钢铸件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CF3 / CF3
Category Grade Standard Region/Area Standard Content
Metals CF3 NB/T 20010.3 China 压水堆核电厂阀门 第3部分:不锈钢铸件技术条件

Chemical composition(mass fraction)(wt.%) of the CF3

Element Min Max Similar
Mo - 0.5000 -
Ni 8.0000 12.0000 -
Cr 17.0000 21.0000 -
P - 0.0400 -
S - 0.0400 -
Mn - 1.5000 -
Si - 2.0000 -
C - 0.0300 -

Mechanical Properties of steel grade CF3

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)
134 (≥) 811 (≥) 31 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade CF3

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 - -     0.43 -  
389 274 - 24.3 424   -  
864 - 14 11.2   122 332

Heat Treatment of steel grade CF3

Heat treated : 1494°C - 1361°C

Technological Curves of steel grade CF3

Cross Reference Table (Equivalent Grade) of CF3

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