Standard API | ASTM | BS | DIN | DNV | GB | ISO | JIS | KS | LR | NF | Others
BS
Standard Number
3059 PART2 (Steel Boiler and Superheater Tubes)
Grade S1 360 S2 360 ERW360 CEW360 S1 440 S2 440 ERW440 CEW440 S1 243 S2 243 ERW243 CEW243 S1 620 S2 620 ERW620 CEW620 S1 622-440 S2 622-440 S1 622-490 S2 622-490 S1 629-470 S2 629-470 S1 629-590 S2 629-590 S1 762 S2 762 CFS304S59 CFS316S59 CFS321S59 CFS347S59 CFS1250 [ All grade ]