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30 MCDB 6 4 - M

France AFNOR NF 30MCDB64-M Foundry casting.Abrasion resistant cast steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30MCDB64-M / 30 MCDB 6 4 - M
Category Grade Standard Region/Area Standard Content
Metals 30 MCDB 6 4 - M NF A32-058 France Foundry casting.Abrasion resistant cast steels

Chemical composition(mass fraction)(wt.%) of the 30 MCDB 6 4 - M

Element Min Max Similar
Si - 0.6000 -
S - 0.0350 -
P - 0.0400 -
Mo 0.4000 0.6000 -
Mn 1.3000 1.8000 -
Fe - - -
Cr 0.4000 1.0000 -
C 0.2300 0.3300 -
B 0.0030 0.0060 -

Mechanical Properties of steel grade 30 MCDB 6 4 - M

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)
543 (≥) 371 (≥) 43 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 30 MCDB 6 4 - M

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 - -     0.21 -  
291 357 - 33.3 133   -  
292 - 32 32.2   343 112

Heat Treatment of steel grade 30 MCDB 6 4 - M

Heat treated : 1391°C - 1519°C

Technological Curves of steel grade 30 MCDB 6 4 - M

Cross Reference Table (Equivalent Grade) of 30 MCDB 6 4 - M

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