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England B.S. TA7 Specification for bar and section for machining of commercially pure titanium (tensile strength 540-740 N/mm2) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TA7 / TA 7
Category Grade Standard Region/Area Standard Content
Metals TA 7 BS 2TA 7 England Specification for bar and section for machining of commercially pure titanium (tensile strength 540-740 N/mm2)

Chemical composition(mass fraction)(wt.%) of the TA 7

Element Min Max Similar

Mechanical Properties of steel grade TA 7

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)
551 (≥) 335 (≥) 31 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade TA 7

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
14 - -     0.42 -  
662 484 - 43.3 413   -  
629 - 33 13.2   113 212

Heat Treatment of steel grade TA 7

Heat treated : 1737°C - 1637°C

Technological Curves of steel grade TA 7

Cross Reference Table (Equivalent Grade) of TA 7

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