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Romania STAS X60 Spiral welded steel tubes for petroleum pipelines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X60 / X 60
Category Grade Standard Region/Area Standard Content
Metals X 60 STAS 11082 Romania Spiral welded steel tubes for petroleum pipelines

Chemical composition(mass fraction)(wt.%) of the X 60

Element Min Max Similar
V 0.0200 - -
Ti 0.0300 - -
S - 0.0500 -
P - 0.0400 -
Nb 0.0050 - -
Mn - 1.3500 -
C - 0.2600 -

Mechanical Properties of steel grade X 60

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)
469 (≥) 547 (≥) 11 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade X 60

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
24 - -     0.41 -  
292 592 - 43.3 324   -  
517 - 31 14.2   412 224

Heat Treatment of steel grade X 60

Heat treated : 1315°C - 1527°C

Technological Curves of steel grade X 60

Cross Reference Table (Equivalent Grade) of X 60

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