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China YB P911 离心铸造管坯 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P911 / P911
Category Grade Standard Region/Area Standard Content
Metals P911 YB/T 4323 China 离心铸造管坯

Chemical composition(mass fraction)(wt.%) of the P911

Element Min Max Similar
Mo 0.9000 1.1000 -
Ni - 0.0400 -
Cr 8.5000 10.5000 -
S - 0.0100 -
P - 0.0200 -
Mn 0.3000 0.6000 -
Si 0.1000 0.5000 -
C 0.0900 0.1300 -

Mechanical Properties of steel grade P911

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)
778 (≥) 929 (≥) 32 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade P911

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
14 - -     0.21 -  
151 349 - 41.3 322   -  
376 - 21 11.2   142 213

Heat Treatment of steel grade P911

Heat treated : 1551°C - 1149°C

Technological Curves of steel grade P911

Cross Reference Table (Equivalent Grade) of P911

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