Standard: BS6323-4 Seamless and Welded steel tubes for automobile,mechanical and general engineering purposes Part 4: Specific requirements for cold finished seamless steel tubes
Applications: for Auto industry / for machinery use/mechanical and general engineering purposes
Size range: O.D.:6-156mm W.T.:1-15mm L:max12000mm
Method of manufacture:
The tubes are manufactured by a seamless process and shall be cold finished
It is permissible for cold finished tubes to have on internal and external surfaces an adherent layer of residual to subsequent processing, then their removal shall be the subject of an agreement between the manufacturer and the purchaser.
The tubes are supplied in one of the following condition:
a. Cold finished/hard (cold finished as drawn) : BK