1. Seamless steel kav tsuas yog siv rau cov qauv dav dav thiab cov qauv siv tshuab. Cov ntaub ntawv sawv cev (qib): carbon steel 20, 45 steel, alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CRMO, 42CrMo, thiab lwm yam.
2. Seamless steel yeeb nkab rau thauj cov kua. Nws yog tsuas yog siv rau engineering thiab cov khoom siv loj los thauj cov kav dej. Cov ntaub ntawv sawv cev (qib) yog 20, Q345, thiab lwm yam.
3. GB 3087-1999 (seamless steel raj rau nruab nrab siab boiler). Nws yog tsuas yog siv rau kev lag luam boilers thiab domestic boilers los thauj cov dej tsis tshua muaj siab thiab nruab nrab-siab. Cov khoom siv sawv cev yog 10,20 steel.
4. Seamless steel kav rau high-pressure boilers. Nws yog tsuas yog siv rau high-temperature thiab high-pressure fluid collection boxes thiab pipelines nyob rau hauv lub hwj chim chaw nres tsheb thiab nuclear fais fab nroj tsuag boilers. Cov ntaub ntawv sawv cev yog 20G, 12Cr1MoVG, 15CrMoG, thiab lwm yam.
5. (Marine carbon steel, carbon manganese steel seamless steel yeeb nkab) yog tsuas yog siv rau thawj thiab thib ob chav kawm siab cov kav dej ntawm marine boilers thiab superheaters. Cov ntaub ntawv sawv cev yog 360, 410, 460 steel qib, thiab lwm yam.
6. GB1479-2000 (cov yeeb nkab steel seamless rau cov cuab yeej siv hluav taws xob siab). Nws yog tsuas yog siv rau cov khoom siv chiv rau kev thauj cov kav dej kub thiab cov kav dej siab. Cov ntaub ntawv sawv cev yog 20, 16mn, 12CrMo, 12Cr2Mo, thiab lwm yam.
7. Seamless steel yeeb nkab rau roj av tawg. Nws yog tsuas yog siv nyob rau hauv boilers, tshav kub exchangers thiab kua pipelines nyob rau hauv roj av refineries. Nws cov ntaub ntawv sawv cev yog 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, thiab lwm yam.
8. GB18248-2000 seamless steel yeeb nkab rau lub tog raj kheej yog siv los tsim ntau yam roj av thiab hydraulic thooj voos kheej kheej. Nws cov ntaub ntawv sawv cev yog 37Mn, 34Mn2V, 35CrMo, thiab lwm yam.