... /8''-4" 2.WT:sch5s-xxs 3.seamless carbon steel weldolet 4.Standard:ansi,din,jis, en, gb 5.offer sample Carbon ... steel A350 LF3 ThreadoletPrdoucts Name:Weldolet,threadolet,sockolet,union,plug,coupling,cap ... :1/8''~4''Standards:GB /ASTM / ASME / DIN / JIS, Non-standard and customers drawings for special use(1) ANSI B16.9 ...