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England B.S. TA57 Specification for plate of titanium-aluminium-molybdenum-tin-silicon alloy (tensile strength 1030-1220 MPa) (maximum thickness 65 mm) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TA57 / TA 57
Category Grade Standard Region/Area Standard Content
Metals TA 57 BS TA 57 England Specification for plate of titanium-aluminium-molybdenum-tin-silicon alloy (tensile strength 1030-1220 MPa) (maximum thickness 65 mm)

Chemical composition(mass fraction)(wt.%) of the TA 57

Element Min Max Similar
Ti - - -
Sn 1.5000 2.5000 -
Si 0.3000 0.7000 -
O - 0.2500 -
N - 0.0500 -
Mo 3.0000 5.0000 -
H - 0.0125 -
Fe - 0.2000 -
Al 3.0000 5.0000 -

Mechanical Properties of steel grade TA 57

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)
377 (≥) 693 (≥) 23 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade TA 57

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
21 - -     0.33 -  
524 431 - 21.3 112   -  
439 - 23 14.2   213 141

Heat Treatment of steel grade TA 57

Heat treated : 1257°C - 1177°C

Technological Curves of steel grade TA 57

Cross Reference Table (Equivalent Grade) of TA 57

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