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Sweden SS 8418 优质热作模具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 8418 / 8418
Category Grade Standard Region/Area Standard Content
Metals 8418 -- Sweden 优质热作模具钢

Chemical composition(mass fraction)(wt.%) of the 8418

Element Min Max Similar
V - - 0.8000
Mo - - 2.3000
Si - - 1.0000
Mn - - 0.7500
Cr - - 5.0000
C - - 0.3500

Mechanical Properties of steel grade 8418

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)
159 (≥) 555 (≥) 14 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 8418

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 - -     0.12 -  
882 887 - 13.3 442   -  
483 - 24 24.2   434 341

Heat Treatment of steel grade 8418

Heat treated : 1415°C - 1117°C

Technological Curves of steel grade 8418

Cross Reference Table (Equivalent Grade) of 8418

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