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INTERNATIONAL STANDARDS
 
British Standard Specifications

The following table is a guide to the alloys which are covered by form in the British Standard range of specifications. ASTM grades given are approximate equivalents only. To be of maximum use, this table includes obsolescent, historic, as well as current references. Always check that you have the most recent issue of the specification before proceeding further.

Multiple numbers for the same product description cover different ruling sections

Spec. No Alloy Form
TA 1 CP Ti Gr 1 Sheet, strip
TA 2 CP Ti Gr 2 Sheet, strip
TA 3 CP Ti Gr 2 Bar, machining stock
TA 4 CP Ti Gr 2 Forging stock
TA 5 CP Ti Gr 2 Forgings
TA 6 CP Ti Gr 3 Sheet, strip
TA 7 CP Ti Gr 4 Bar
TA 8 CP Ti Gr 3 Forging stock
TA 9 CP Ti Gr 4 Forging stock
TA 10 Ti-6Al-4V Sheet, strip
TA 11 Ti-6Al-4V Bar and section for machining
TA 12 Ti-6Al-4V Forging stock
TA 13 Ti-6Al-4V Forging stock
TA 14-17 Ti-5Al-2.5Sn Various and obsolete
TA 18 Alloy 679 (IMI) Bars for machining
TA 19 Alloy 679 (IMI) Forging stock
TA 20 Alloy 679 (IMI) Forgings
TA 21-24 Ti-2% Cu Various replaced by TA 52-55
TA 25 Alloy 679 (IMI) Bars for machining
TA 26 Alloy 679 (IMI) Forging stock
TA 27 Alloy 679 (IMI) Forgings
TA 28 Ti-6Al-4V Forging stock and wire for fasteners
TA 29-37 Ti–4Al-4Mo-2Sn (550) Replaced by TA 45 - 51
TA 38 Ti–4Al-4Mo-4Sn (551) Bar, machining stock
TA 39 Ti–4Al-4Mo-4Sn Forging stock
TA 40 Ti–4Al-4Mo-4Sn Bar, machining stock
TA 41 Ti–4Al-4Mo-4Sn Forging stock
TA 42 Ti–4Al-4Mo-4Sn Forgings
TA43 Ti- 6Al-5Zr-0.5Mo-0.25Si (685) Forgings
TA44 Ti- 6Al-5Zr-0.5Mo-0.25Si (685) Forgings
TA 45 Ti-4Al-4Mo-2Sn (550) Bar, machining stock
TA 46 Ti-4Al-4Mo-2Sn Bar, machining stock
TA 47 Ti-4Al-4Mo-2Sn Forging stock
TA 48 Ti-4Al-4Mo-2Sn Forging stock
TA 49 Ti-4Al-4Mo-2Sn Bar, machining stock
TA 50 Ti-4Al-4Mo-2Sn Forging stock
TA 51 Ti-4Al-4Mo-2Sn Forging stock
TA 52 Ti-2% Cu Sheet and strip
TA 53 Ti-2% Cu Bar and section for machining
TA 54 Ti-2% Cu Forging stock
TA 55 Ti-2% Cu Forgings
TA 56 Ti-6Al-4V Plate
TA 57 Ti-4Al-4Mo-2Sn (550) Plate
TA 58 Ti-2% Cu Plate
TA 59 Ti-6Al-4V Sheet, strip
BS 1639 All alloys Test, bend
BS 3531 CP Ti 35A (Gr 1) Bar, billet, sheet
BS 4A4 All alloys Test, samples
BS 5750 All alloys Quality system
BS 7252 Ti-6Al-4V Sheet/ bar