... Reliability 2.Better efficiency 3.Flawless performance TypeSS and MS Forged Pipe FittingsizeForged fittings 1/2"-4"thickness2000Lbs, 3000Lbs,6000Lbs ... F43, A276 S32750,A705 631,632,A961, A484, Alloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70, A182 ... Xingya Machinery Manufacturing Co.,Ltd. specializes in producing steel pipe and pipe fittings with ISO9001:2008 ISO14001:2004 and OHSAS18001 certificates ...