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India IS YSt39 Oil well steel casing pipes and couplings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: YSt39 / YSt 39
Category Grade Standard Region/Area Standard Content
Metals YSt 39 IS 5433 India Oil well steel casing pipes and couplings

Chemical composition(mass fraction)(wt.%) of the YSt 39

Element Min Max Similar
S - 0.0600 -
P - 0.0400 -

Mechanical Properties of steel grade YSt 39

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)
697 (≥) 424 (≥) 42 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade YSt 39

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
11 - -     0.33 -  
463 948 - 41.3 132   -  
448 - 11 12.2   143 331

Heat Treatment of steel grade YSt 39

Heat treated : 1895°C - 1935°C

Technological Curves of steel grade YSt 39

Cross Reference Table (Equivalent Grade) of YSt 39

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