steel pipe fittings Size:1/2"-48" Material:A234-WPB,A420-WPL6,A234-WP12,A234-WP11,A234-WP5 1.Size:From 1/2" to 48" (Seamless pipe fittings). From 26" to 72" (Seam pipe fittings) 2.Wall thickness:Sch5-Sch160,XXS 3.Standard:ISO, SNSI, JIS, DIN, GB/T12459,GB/T13401,ASME B16.9.SH3408 SH3409, HG/T21635,HG/T21631,SY/T05010 4.Material: A234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5.A403-WP304. A403- ...