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England B.S. BSTA50 Specification for forging stock of titanium- aluminium-molybdenum-tin-silicon alloy (tensile strength 1000-1200 MPa) (limiting ruling section over 100 mm up to and including 150 mm) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BSTA50 / BS TA 50
Category Grade Standard Region/Area Standard Content
Metals BS TA 50 BS 2TA 50 England Specification for forging stock of titanium- aluminium-molybdenum-tin-silicon alloy (tensile strength 1000-1200 MPa) (limiting ruling section over 100 mm up to and including 150 mm)

Chemical composition(mass fraction)(wt.%) of the BS TA 50

Element Min Max Similar
Zn - - -
Pb 0.2500 0.7000 -
P 0.0400 0.1500 -
Other 99.5000 - -
Fe - 0.1500 -
Cu 61.0000 63.0000 -

Mechanical Properties of steel grade BS TA 50

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)
577 (≥) 894 (≥) 24 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade BS TA 50

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 - -     0.33 -  
867 633 - 23.3 244   -  
645 - 34 33.2   222 111

Heat Treatment of steel grade BS TA 50

Heat treated : 1386°C - 1137°C

Technological Curves of steel grade BS TA 50

Cross Reference Table (Equivalent Grade) of BS TA 50

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