Sachiya Steel International is one of the leading suppliers of ERW Black Steel Pipes , Sachiya Steel International stocks an extensive range of electric resistance welded (ERW) black steel pipes / black steel tubes in a size range of 15mm. N.B. to 150mm N.B. in the Light, Medium and Heavy classes, confirming to IS: 1239 (Part-1) 2004, Equivalent to BS : 1387. Sachiya Steel International also offers mild steel pipes in compliance with IS: 3589-2001 and IS: 10577-1982.