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Grade T5b

India IS GradeT5b Specification for steel tubes for steel exchangers. Part 4: Seamless alloy steel tubes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeT5b / Grade T5b
Category Grade Standard Region/Area Standard Content
Metals Grade T5b IS 11714-4 India Specification for steel tubes for steel exchangers. Part 4: Seamless alloy steel tubes

Chemical composition(mass fraction)(wt.%) of the Grade T5b

Element Min Max Similar
Si 1.0000 2.0000 -
S - 0.0300 -
P - 0.0300 -
Mo 0.4500 0.6500 -
Mn 0.3000 0.6000 -
Cr 4.0000 6.0000 -
C - 0.1500 -

Mechanical Properties of steel grade Grade T5b

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)
351 (≥) 755 (≥) 13 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade Grade T5b

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
23 - -     0.43 -  
877 515 - 22.3 232   -  
822 - 21 12.2   431 332

Heat Treatment of steel grade Grade T5b

Heat treated : 1694°C - 1742°C

Technological Curves of steel grade Grade T5b

Cross Reference Table (Equivalent Grade) of Grade T5b

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