Pìoban pìoban petroleum pìoban

Tar-shealladh air Structar Pìoban Petroleum Pìoban

Asme Sa106, asme sa179, asme SA192, asme Sa210, asme sa213, asme sa335, msaa

Ìre Structar Pìoban Petroleum pìoban

API 5L PSL1, PSL2

Api 5l gr.b x42 x52 x60 x65 x75 x70 msaa

Api 5ct-2018 casan agus tubing

API 5ct J55, K55, N80, N80Q, msaa