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India IS YSt390 High test line pipe and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: YSt390 / YSt 390
Category Grade Standard Region/Area Standard Content
Metals YSt 390 IS 1979 India High test line pipe

Chemical composition(mass fraction)(wt.%) of the YSt 390

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 YSt 390

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)
589 (≥) 526 (≥) 21 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade YSt 390

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 - -     0.11 -  
442 513 - 24.3 332   -  
764 - 31 22.2   221 344

Heat Treatment of steel grade YSt 390

Heat treated : 1734°C - 1844°C

Technological Curves of steel grade YSt 390

Cross Reference Table (Equivalent Grade) of YSt 390

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