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Global 企业标准 M220C and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: M220C / M220C
Category Grade Standard Region/Area Standard Content
Metals M220C -- Global

Chemical composition(mass fraction)(wt.%) of the M220C

Element Min Max Similar
Ti 0.4000 0.6000 -
Ni - - -
C 0.3000 0.5000 -
Be 1.8000 2.3000 -

Mechanical Properties of steel grade M220C

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)
967 (≥) 441 (≥) 12 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade M220C

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 - -     0.34 -  
122 611 - 43.3 431   -  
865 - 13 14.2   113 442

Heat Treatment of steel grade M220C

Heat treated : 1191°C - 1678°C

Technological Curves of steel grade M220C

Cross Reference Table (Equivalent Grade) of M220C

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