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Hungary MSZ DX42 Spiral weld steel pipes with special quality requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DX42 / DX 42
Category Grade Standard Region/Area Standard Content
Metals DX 42 MSZ 3770 Hungary Spiral weld steel pipes with special quality requirements

Chemical composition(mass fraction)(wt.%) of the DX 42

Element Min Max Similar
Si 0.1500 0.5000 -
S - 0.0350 -
P - 0.0350 -
Mn - 1.2000 -
Cu - 0.3000 -
Cr - 0.2500 -
C - 0.1800 -

Mechanical Properties of steel grade DX 42

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)
414 (≥) 724 (≥) 12 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade DX 42

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
44 - -     0.22 -  
396 455 - 44.3 241   -  
863 - 44 34.2   211 222

Heat Treatment of steel grade DX 42

Heat treated : 1281°C - 1319°C

Technological Curves of steel grade DX 42

Cross Reference Table (Equivalent Grade) of DX 42

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