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Czech CSN 422740 Cr-V-W-Mo steel 42 2740 for castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 422740 / 422740
Category Grade Standard Region/Area Standard Content
Metals 422740 CSN 42 2740 Czech Cr-V-W-Mo steel 42 2740 for castings

Chemical composition(mass fraction)(wt.%) of the 422740

Element Min Max Similar

Mechanical Properties of steel grade 422740

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)
472 (≥) 847 (≥) 11 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade 422740

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
32 - -     0.44 -  
326 568 - 23.3 132   -  
288 - 23 44.2   312 343

Heat Treatment of steel grade 422740

Heat treated : 1145°C - 1193°C

Technological Curves of steel grade 422740

Cross Reference Table (Equivalent Grade) of 422740

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