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IS:1239(part-1):2004 - DIN 2439, DIN 2440, DIN 2441 (equivalent BS:1387:1985/EN-10255:2004*/EN 10240 : 1998/ DIN 2444)
conforming to IS: 3589 : 2001 grade FE 330 and FE 410/ EN 10224
as per IS:4923:1997/EN 10219-1:2006/ASTM A500
as per IS:4923:1997/EN 10219-1:2006/ASTM A500
technical data of Black & Galvanised pipes specification IS:1161:1998
