... ) Size: NPS 1/2"-120"(DN15-3000) 3) Varieties: SGP, STD, SCH40, SCH80 HEBEI QIANDIN PIPE FITTINGS MANUFACTURING CO.,LTD.PRODUCT ... TYPE3D BEND STD WT ERW CS 90, ASTM A106 GR B ELBOW BEND ... ”-120”(DN15-3000)WALL THICKNESSSCH5S/10S, SCH20/40/80/160, STD/XS/XXS, SGP…….MATERIALcarbon steel: ASTM A234 GR WPB , ST37 ...