... 2"-4"thickness2000Lbs, 3000Lbs,6000Lbs,9000lbstandardASME B16.11,MSS-SP-97, MSS-SP-79,JIS B2316materialCarbon steel(ASTM A105, Q235,A350LF2,A350LF3 ... A182, F43, A276 S32750,A705 631,632,A961, A484, Alloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70, A182 ... usHebei Xingya Machinery Manufacturing Co.,Ltd. specializes in producing steel pipe and pipe fittings with ISO9001:2008 ISO14001:2004 and ...