... pipeB,X42~X60(L245~L415)50003high-pressure boiler tube20G50004lower/medium-pressure boiler tube 10#,20#,A,B60005Transmission ... tube, cylinder sleeve etc.45#,27SiMn20008pipes for high-pressure fertilizer equipment20G,15MnV10009Shipping use of tube 320,4101000Total200000FQM ... pillar tube20,30,45,27SiMn225008pipes for high-pressure fertilizer equipment10,20,16Mn,15Mnv,12CrMo,15CrMo90009Structural use ...