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X4NiCrMoCuNb20-18-2

Description

X4NiCrMoCuNb20-18-2 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: X4NiCrMoCuNb20-18-2

Chemical composition(mass fraction)(wt.%) of the X4NiCrMoCuNb20-18-2

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.05  1.00  2.00  0.045  0.015  16.5-18.5  19.0-21.0  2.00-2.50

 Cu  1.80-2.20
Nb≥8*(Nb+Ta)

Mechanical Properties of steel grade X4NiCrMoCuNb20-18-2

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)
215 (≥) 925 (≥) 43 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade X4NiCrMoCuNb20-18-2

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
13 - -     0.12 -  
529 972 - 44.3 123   -  
582 - 23 23.2   233 222

Heat Treatment of steel grade X4NiCrMoCuNb20-18-2

Heat treated : 1473°C - 1751°C

Technological Curves of steel grade X4NiCrMoCuNb20-18-2


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