... Carbon Steel,alloy steel,A234 WPB,WPC,WP11 3.standard:ASME/JIS/DIN/EN/ST/GOST 4. ... wpb,a105,a106,a532.Size:1/4-72''3.thickness:sch10-1604.packing:wooden cases ,pallet5.payment ... CO, Quality certification, SQC Certifications.7.tolerances for fitting:Acc to GB12459 8.Appication:oil, gas, water, ... Phone :8615132792060 Skype : smile-pipefitting MSN: cs-fitting Gmail: smile.fitting A106 steel ERW pipe fitting