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MN 380-18 L40

France AFNOR NF MN380-18L40 Foundry products. Cast iron for low temperatures purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MN380-18L40 / MN 380-18 L40
Category Grade Standard Region/Area Standard Content
Metals MN 380-18 L40 NF A32-160 France Foundry products. Cast iron for low temperatures purposes

Chemical composition(mass fraction)(wt.%) of the MN 380-18 L40

Element Min Max Similar

Mechanical Properties of steel grade MN 380-18 L40

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)
683 (≥) 412 (≥) 11 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade MN 380-18 L40

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 - -     0.44 -  
346 689 - 41.3 221   -  
823 - 23 42.2   242 344

Heat Treatment of steel grade MN 380-18 L40

Heat treated : 1992°C - 1852°C

Technological Curves of steel grade MN 380-18 L40

Cross Reference Table (Equivalent Grade) of MN 380-18 L40

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