Standard API | ASTM | BS | DIN | DNV | GB | ISO | JIS | KS | LR | NF | Others
BS
Standard Number
1717 (Steel Tubes for Cycle and Motor Cycle Purposes)
Grade CFSC3 CFSC4 CFSC6 ERWC1 ERWC2 ERWC3 ERWC5 CRWC1 CRWC2 CRWC3 [ All grade ]