1) Type:ASTM A234 GR WPB-S PIPE FITTINGS 2) Size:NPS1/2-120 3) Varieties: ... , AS,SS HEBEI QIANDIN PIPE FITTINGS MANUFACTURING CO.,LTD.TYPEastm a234 gr wpb-s pipe fittings,seamless pipe fittings, butt welding pipe ... 80/160, STD/XS/XXS, SGP…….MATERIALcarbon steel: ASTM A234 GR WPB , ST37.2 , ST35.8 , A105……STANDARDANSI B 16 ... also produce according to drawing by customers. ASTM A234 GR WPB-S PIPE FITTINGS