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4Cr14Ni14W2Mo

Description

China GB GB/T 1221 (1992) , GB/T 12773 (1991) , GB/T 4356 (1984) , 4Cr14Ni14W2Mo Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 4Cr14Ni14W2Mo
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 4Cr14Ni14W2Mo Austenite GB China Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%) of the 4Cr14Ni14W2Mo

C Si Mn P S Ni Cr Mo W
0.40 -0.50 ≤0.80 ≤0.70 ≤0.35 ≤0.03 13.00 -15.00 13.00 -15.00 0.25 -0.40 2.00 -2.75

Mechanical Properties of steel grade 4Cr14Ni14W2Mo

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)
233 (≥) 416 (≥) 33 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 4Cr14Ni14W2Mo

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
43 - -     0.31 -  
324 345 - 44.3 141   -  
476 - 22 24.2   133 444

Heat Treatment of steel grade 4Cr14Ni14W2Mo

Heat treated : 1483°C - 1351°C

Technological Curves of steel grade 4Cr14Ni14W2Mo

Relevant standard of 4Cr14Ni14W2Mo

GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992)--.pdf
GB/T 12773 (1991) Valve steel bars for internal combustion engines - Technical requirements GB-T-12773--(1991)-.pdf
GB/T 4356 (1984) Stainless steel wire rods GB-T-4356--(1984)--.pdf

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