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Description

440-XH High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 440-XH
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 440-XH
418
419
422
422M(C)
422M
430F Solenoid
430FR Solenoid
439 HP-10
439LT
439 UF

Chemical composition(mass fraction)(wt.%) of the 440-XH

C
Si
Mn
P
S
Cr Ni
1.60 0.040 0.50     16.0 0.35
Mo Al Cu Nb Ti V Ce
0.80         0.45  
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 440-XH

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)
152 (≥) 258 (≥) 31 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 440-XH

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
32 - -     0.11 -  
822 567 - 32.3 332   -  
358 - 22 13.2   123 421

Heat Treatment of steel grade 440-XH

Heat treated : 1813°C - 1467°C

Technological Curves of steel grade 440-XH


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