... jis, en, gb 5.offer sample Carbon steel A350 LF2 ThreadoletPrdoucts Name:Weldolet,threadolet,sockolet,union,plug,coupling,cap,elbow ... standard and customers drawings for special use(1) ANSI B16.9/ B 16.28, ASTM A234 WPB (2) JIS ... F56,S33228,F58,S31266,F62,N08367,A105, A105N, A350 LF1 LF2, A694 F42 F52 F60 F65ASTM A182 F5, F5a , F9 ... ) Tel: 86-371-60953359Skype htpipeamy Carbon steel A350 LF2 Threadolet