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India IS HFS245 Specification for Steel Pipes for Hydraulic Purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HFS245 / HFS 245
Category Grade Standard Region/Area Standard Content
Metals HFS 245 IS 6631 India Specification for Steel Pipes for Hydraulic Purposes

Chemical composition(mass fraction)(wt.%) of the HFS 245

Element Min Max Similar
S - 0.0500 -
P - 0.0500 -

Mechanical Properties of steel grade HFS 245

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)
231 (≥) 746 (≥) 13 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade HFS 245

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
12 - -     0.12 -  
925 742 - 33.3 143   -  
372 - 14 23.2   123 142

Heat Treatment of steel grade HFS 245

Heat treated : 1777°C - 1845°C

Technological Curves of steel grade HFS 245

Cross Reference Table (Equivalent Grade) of HFS 245

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