Standard API | ASTM | BS | DIN | DNV | GB | ISO | JIS | KS | LR | NF | Others
BS
Standard Number
3606 (Steel Tubes for Heat Exchangers )
Grade ERW320 CEW320 CFS320 ERW440 CEW440 CFS440 ERW243 CEW243 CFS243 ERW245 CEW245 CFS245 CEW261 CFS261 ERW620 CEW620 CFS620 ERW621 CEW621 CFS621 CFS622 CFS625 LWHT304S22 LWCF304S22 LWBC304S22 CFS 304S22 LWHT304S25 LWCF304S25 LWBC304S25 CFS304S25 LWHT316S24 LWCF316S24 LWBC316S24 CFS 316S24 LWHT316S25 LWCF316F25 LWBC316S25 CFS 316S25 LWHT316S29 LWCF316S29 LWBC316S29 CFS 316S29 LWTH316S30 LWCF316S30 LWBC316S30 CFS 316S30 LWHT321S22 LWCF321S22 LWC321S22 CFS 321S22 LWHT347S17 LWCF347S17 LWBC347S17 CFS 347S17 [ All grade ]