... 19Mn5 Boilers, heat exchangers, alloy steel pipeJIS G3462STBA20ASTM A213 T2 GB9948 GB5310 GB6479 12CrMoSTBA22ASTM A213 T12DIN 17175 13CrMo44GB9948 GB5310 GB6479 ... A200 T5 GB9948 1Cr5MoSTFA26ASTM A200 T9 Pressure Pipe Universal Carbon Steel Pipe JIS G3454STPG370 (STPG38)ASTM A53ADIN 1629 ST35GB8163 ... , T11, T12,T17, T21, T22, T23, T24, T36,T91, T92, T122, T911ASTM A252 Grade 1, Grade 2, Grade ...