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Global 企业标准 T91 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T91 / T91
Category Grade Standard Region/Area Standard Content
Metals T91 企业标准 Global

Chemical composition(mass fraction)(wt.%) of the T91

Element Min Max Similar

Mechanical Properties of steel grade T91

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)
985 (≥) 979 (≥) 11 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade T91

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 - -     0.31 -  
213 178 - 33.3 233   -  
234 - 34 21.2   142 413

Heat Treatment of steel grade T91

Heat treated : 1254°C - 1958°C

Technological Curves of steel grade T91

Cross Reference Table (Equivalent Grade) of T91

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