... Boilers, heat exchangers, alloy steel pipeJIS G3462STBA20ASTM A213 T2 GB9948 GB5310 GB6479 12CrMoSTBA22ASTM A213 T12DIN 17175 13CrMo44GB9948 GB5310 ... 10216-1 P195TR1, P195TR2, P235TR1,P235TR2, P265TR1, P265TR2EN 10216-2 P195GH, P235GH, P265GH,20MnNb6, 16Mo3, 8MoB5-4,14MoV6-3 ... P690QH, P690QL1, P690QL2EN 10216-4 P215NL, P255QL, P265NL,26CrMo4-2, 11MnNi5-3, 13MnNi6-3,12Ni14, X12Ni5, X10Ni9EN 10224 L235 ...