manufacturing and supply of alloy steel and carbon steel seamless pipes , pipe dia 168.3 x 7.11x 6500 - sa106grb , pipe dia 273.0 x 6.35 x 6000 - sa106grb , pipe dia 508.0 x 12.7 x 6000 sa106grb , pipe od219.1x6.35 x 6000 -sa106grc , pipe dia 219.1 x 8.18 x 6000 -sa106grc , pipe od-219.1x12.7x6000-sa106grc , pipe od273x6.35 x 6000 - sa106grc , pipe od-508x12.7x6000-sa106grc , pipe dia 219.1 x 10.31 x 6000 sa335p11 , pipe dia 219.1 x 12.7 x 6000 sa335p11 , pipe dia 323.9 x 17.5 x 6000 sa335p11 , pipe dia 355.6 x 9.53 x 6000 sa335p11 , pipe dia 406.4 x 9.53 x 6000 sa335p11 , pipe dia 508 x 9.53 x 6000 sa335p11 , pipe od 273.00 x 14.20 x 6000 - sa335p22 , pipe od273 x 16 x 6000 sa335p22 , pipe dia 323.9 x 9.53 x 6000 sa335p22 , pipe od 508 x 9.53 x 6000 - sa335p22 , pipe od-168.3 x 30 x 6000-sa335p91 , pipe dia 88.9 x 5.49 x 6500 -sa106grb , pipe dia 88.90 x 6.30 x 6500 - sa106grb , pipe dia 114.3 x 6.02 x 6500 - sa106grb , pipe dia 559x77 x 6000 - sa106grc , pipe dia 114.3 x 6.02 x 6500 -sa335p11 , pipe dia 114.3 x 20.00 x 6000 sa335p11 , pipe dia 114.3 x 20.0 x 6000 - sa335p22 , pipe dia 457.2 x 25.0 x 6000 sa335p22 , pipe id620 x 37 x 6000 - sa335p91 , pipe od 114.3 x 17.12 x 6000 - sa335p91 , lumpsum inspection charge for quality surveillance activities by a third party inspection agency as per the stages indicated in suggestive quality plan for one header