Previous to that era, gun barrels and gas pipes of small oali-lier had been manufactured of wrought iron,' but lap-welded iron tubes, such as are now lused, were unknown. Owing to the high ...

One of Adrad's hugely successful products for heavy duty cooling applications is ADFUSE welded radiator cores.

Sambhv Steel Tubes Limited, one of the key manufacturers of electric resistance welded (ERW) steel pipes and structural tubes ...