1. Zvinyorwa:12Cr1MoVG, zvinoenderana nezvinodiwa nenyikaGB5310, zvinhu 12Cr1MoVG, shandisa: high-pressure boiler seamless pombi

2. Zvinyorwa:15CrMoG, inoenderana neyakajairwa nyika GB5310, zvinhu zvacho 15CrMoG, iko kushandiswa kwakakwira-kudzvanya boiler pombi, iyo inoenderana neAmerican standard ndiyo.A213/A335, zvinhu zvachoT12/P12, iyo inoshandiswa iboiler seamless simbi pombi, inoenderana neGerman standard DIN17175, iyo nyaya ndeye 13CrMo44, iyo inoshandiswa inopikisa Kupisa simbi isina musono pombi. Iyo inoenderana neEuropean standard ndeye EN10216-2, iyo nyaya ndeye 13CrMo4-5, shandisa: pressure pombi, HS kodhi 7304599090.

3. Nyaya: 1Cr5Mo, inoenderana nehuwandu hwenyika ndeyeGB9948kana GB6479, zvinhu 1Cr5Mo, shandisa, seamless simbi pombi ye-high-pressure boilers, inoenderana neAmerican standard A213/A335, zvinhu: T5/P5, kushandiswa, seamless simbi pombi yemaboilers, inoenderana neGerman standard EN10216-2, zvinhu X11CrMo5, kushandiswa, 3 HS4 kodhi 9 pombi 9.