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Description

X-40 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: X-40
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy X-40
VIM-VAR 7-223
ViTa llium
V.S.M
W-545
Waspaloy
WAZ 20
UFW-11
Vicalloy
WF-31
WI-52

Chemical composition(mass fraction)(wt.%) of the X-40

C
Si
Mn
P
S
Cr Ni
0.5 0.75 0.75     25.5 10.5
Mo Al Cu Nb Ti W Fe
          7.5 1.5
N Co Pb B Other    
  ...          
             

Mechanical Properties of steel grade X-40

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)
439 (≥) 923 (≥) 44 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade X-40

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 - -     0.13 -  
714 779 - 42.3 322   -  
999 - 41 34.2   141 442

Heat Treatment of steel grade X-40

Heat treated : 1322°C - 1562°C

Technological Curves of steel grade X-40

Cross Reference Table (Equivalent Grade) of X-40

Grade Standard Country Application
X-40 AISI USA Martensitic special steel

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