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40 ChN 2 L

Bulgaria BDS 40ChN2L Low alloyed steel castings. Designations and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40ChN2L / 40 ChN 2 L
Category Grade Standard Region/Area Standard Content
Metals 40 ChN 2 L BDS 6550 Bulgaria Low alloyed steel castings. Designations

Chemical composition(mass fraction)(wt.%) of the 40 ChN 2 L

Element Min Max Similar

Mechanical Properties of steel grade 40 ChN 2 L

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)
698 (≥) 553 (≥) 13 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 40 ChN 2 L

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
33 - -     0.44 -  
383 134 - 31.3 243   -  
769 - 11 12.2   322 132

Heat Treatment of steel grade 40 ChN 2 L

Heat treated : 1324°C - 1416°C

Technological Curves of steel grade 40 ChN 2 L

Cross Reference Table (Equivalent Grade) of 40 ChN 2 L

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