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)
Published: 01/31/1964 ISBN(s): 0580344495 Number of Pages: 6File Size: 1 file , 430 KB Product Code(s): 00123873, 00123873, 00123873 Note: This product is unavailable in United Kingdom