• BS 5S 21:1964

BS 5S 21:1964

Specification for aircraft material. '20' carbon steel (suitable for welding) (25/35 tonf/sq in: maximum size 6 inches diameter or minor sectional dimension)

BSI Group , 01/31/1964

Publisher: BS

File Format: PDF

$39.00$78.74


Cross References:BS 3503S 100Replaces BS 4S 21:1949.

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