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Description

X8Cr30 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: X8Cr30
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel X8Cr30
X15CrNiMo18-8
1.4370
X2CrNiMo18-16-5
1.4440
X2CrNiMnMoN20-16
1.4455
X8CrTi18
1.4502
X8Cr9
1.4716

Chemical composition(mass fraction)(wt.%) of the X8Cr30

C
Si
Mn
P
S
Cr Ni
 0.08         30.0  1.5 
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade X8Cr30

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)
869 (≥) 423 (≥) 33 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade X8Cr30

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
22 - -     0.33 -  
127 346 - 42.3 423   -  
269 - 42 12.2   313 141

Heat Treatment of steel grade X8Cr30

Heat treated : 1684°C - 1978°C

Technological Curves of steel grade X8Cr30


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