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X 45 CrSi 8

EU EU X45CrSi8 排气阀用钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X45CrSi8 / X 45 CrSi 8
Category Grade Standard Region/Area Standard Content
Metals X 45 CrSi 8 EU 90 EU 排气阀用钢

Chemical composition(mass fraction)(wt.%) of the X 45 CrSi 8

Element Min Max Similar
Si 2.8000 3.5000 -
S - 0.0350 -
P - 0.0350 -
Mn - 0.8000 -
Cr 7.5000 9.5000 -
C 0.4000 0.5000 -

Mechanical Properties of steel grade X 45 CrSi 8

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)
237 (≥) 543 (≥) 21 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade X 45 CrSi 8

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 - -     0.24 -  
467 672 - 32.3 123   -  
821 - 24 24.2   333 434

Heat Treatment of steel grade X 45 CrSi 8

Heat treated : 1744°C - 1353°C

Technological Curves of steel grade X 45 CrSi 8

Cross Reference Table (Equivalent Grade) of X 45 CrSi 8

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