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Romania STAS X46 Spiral welded steel tubes for petroleum pipelines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X46 / X 46
Category Grade Standard Region/Area Standard Content
Metals X 46 STAS 11082 Romania Spiral welded steel tubes for petroleum pipelines

Chemical composition(mass fraction)(wt.%) of the X 46

Element Min Max Similar

Mechanical Properties of steel grade X 46

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)
939 (≥) 168 (≥) 14 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade X 46

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
42 - -     0.13 -  
838 523 - 21.3 441   -  
458 - 12 44.2   343 332

Heat Treatment of steel grade X 46

Heat treated : 1151°C - 1263°C

Technological Curves of steel grade X 46

Cross Reference Table (Equivalent Grade) of X 46

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