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Hungary MSZ WTX70C Seamless steel tubes with special quality requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: WTX70C / WTX 70 C
Category Grade Standard Region/Area Standard Content
Metals WTX 70 C MSZ 4051 Hungary Seamless steel tubes with special quality requirements

Chemical composition(mass fraction)(wt.%) of the WTX 70 C

Element Min Max Similar
Si 0.1000 0.2000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mo - 0.0600 -
Mn 1.1000 1.7000 -
Cu - 0.3000 -
Cr - 0.3000 -
C - 0.1800 -

Mechanical Properties of steel grade WTX 70 C

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)
978 (≥) 555 (≥) 41 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade WTX 70 C

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
34 - -     0.24 -  
697 553 - 31.3 121   -  
972 - 23 23.2   122 223

Heat Treatment of steel grade WTX 70 C

Heat treated : 1217°C - 1879°C

Technological Curves of steel grade WTX 70 C

Cross Reference Table (Equivalent Grade) of WTX 70 C

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