... offer sample Carbon steel A420 WPL6 ThreadoletPrdoucts Name:Weldolet,threadolet,sockolet,union,plug,coupling,cap,elbow,tee,reducer,cross,bushing, ... ,branch outlet,stubtube,etcCertificateISO/APISize:1/8''~4''Standards:GB /ASTM / ASME / DIN / JIS, Non-standard and customers ... #, 6000#, 9000#Manufacturing processPush, Press, Forge, Cast, etc.Materials:ASTM A182F 304, 304L, 304H, 309S, 309H, 310S, 310H,316, ...