1. Cov kav hlau tsis muaj qhov txuas yog dov los ntawm cov hlau carbon zoo tib yam, cov hlau tsis muaj hlau sib xyaw lossis cov hlau sib xyaw raws li cov khoom siv. Piv txwv li, cov kav hlau tsis muaj qhov txuas ua los ntawm cov hlau tsis muaj carbon xws li No. 10 thiab No. 20 feem ntau yog siv los ua cov kav dej thauj mus los rau cov pa roj, cov roj thee, cov roj liquefied, cov roj ntuj, ntau yam khoom siv roj av thiab ntau yam roj lossis kua; cov hlau carbon nruab nrab xws li 45 thiab 40Cr Cov kav hlau tsis muaj qhov txuas tsim tawm feem ntau yog siv los tsim ntau yam khoom siv tshuab thiab cov khoom siv yeeb nkab.

2. Cov kav hlau tsis muaj qhov sib txuas rau cov hom phiaj dav dav kuj tseem muab raws li cov tshuaj lom neeg sib xyaw thiab cov khoom siv kho tshuab, thiab raws li kev sim hydraulic. Cov kav hlau tsis muaj qhov sib txuas uas dais lub zog ntawm cov kua dej yuav tsum dhau qhov kev sim hydraulic.

3. Cov kav dej seamless tshwj xeeb yog siv rau hauv boilers, kev tshawb nrhiav geological, bearings, acid tsis kam, thiab lwm yam. Xws li cov yeeb nkab roj av geological drilling.API 5CTJ55, K55, N80, L80, P110, Etc, cov kav dej tawg thiab cov kav dej boiler rau kev lag luam petrochemical.

Cov kav hlau tsis muaj qhov txuasfeem ntau yog siv rau cov qauv dav dav thiab cov qauv kho tshuab. Nws cov ntaub ntawv sawv cev (qib): carbon hlau No. 20, No. 45 hlau; alloy hlau Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, thiab lwm yam.

Cov kav hlau tsis muaj qhov sib txuas rau kev thauj cov kua dej feem ntau yog siv rau kev thauj cov kav dej kua hauv kev tsim kho thiab cov khoom siv loj. Cov ntaub ntawv sawv cev (qib) yog 20, Q345, thiab lwm yam.

Cov kav hlau tsis muaj qhov sib txuas rau qhov siab qis thiab nruab nrabcov boilerfeem ntau yog siv rau cov kav dej thauj cov kua dej siab qis thiab nruab nrab hauv cov boilers kev lag luam thiab cov boilers hauv tsev. Cov ntaub ntawv sawv cev yog 10 thiab 20 hlau.

Cov yeeb nkab hlau tsis muaj seamless raucov boilers siabfeem ntau yog siv rau cov taub hau thiab cov kav dej thauj cov kua dej kub thiab siab hauv cov chaw tsim hluav taws xob thiab cov chaw tsim hluav taws xob nuclear boilers. Cov ntaub ntawv sawv cev yog 20G, 12Cr1MoVG, 15CrMoG, thiab lwm yam.

Cov yeeb nkab hlau tsis muaj seamless rauchiv siabcov khoom siv feem ntau yog siv los thauj cov kav dej kub thiab siab siab rau ntawm cov khoom siv chiv. Cov ntaub ntawv sawv cev yog 20, 16Mn,12CrMo, 12Cr2Mo, thiab lwm yam.

Cov kav hlau tsis muaj qhov sib txuas rau kev tawg roj av feem ntau yog siv rau hauv cov boilers, cov khoom hloov pauv cua sov thiab cov kav dej thauj kua hauv cov nroj tsuag roj av smelting. Nws cov ntaub ntawv sawv cev yog 15mog, 15CrMoG, 12crmog, thiab lwm yam.

Cov kav hlau tsis muaj qhov tsis sib xws rau cov thooj voos kheej kheej roj feem ntau yog siv los ua ntau yam roj thiab hydraulic thooj voos kheej kheej roj. Nws cov ntaub ntawv sawv cev yog 37Mn, 34Mn2V, 35CrMo, thiab lwm yam.

Cov kav hlau tsis muaj qhov kub thiab txias yog siv rau cov khoom siv hydraulic, uas feem ntau yog siv los ua cov kev txhawb nqa hydraulic, lub tog raj kheej thiab cov kem hauv cov chaw tsuas thee, nrog rau lwm cov tog raj kheej hydraulic thiab cov kem. Nws cov ntaub ntawv sawv cev yog 20, 45, 27SiMn, thiab lwm yam.

Cov kav hlau tsis muaj qhov tsis sib xws uas rub los yog dov txias feem ntau yog siv rau cov qauv kho tshuab thiab cov khoom siv nias carbon, xav tau qhov tseeb ntawm qhov ntev thiab qhov ua tiav zoo. Nws cov ntaub ntawv sawv cev suav nrog 20, 45 hlau, thiab lwm yam.

Cov kav hlau tsis muaj qhov txias thiab cov kav hlau tshwj xeeb feem ntau yog siv los ua ntau yam khoom siv thiab cov khoom siv. Lawv yog ua los ntawm cov hlau carbon zoo thiab cov hlau tsis muaj hlau.

Cov yeeb nkab hlau tsis muaj qhov loj me sab hauv rau cov thooj voos kheej kheej hydraulic thiab pneumatic feem ntau yog siv los ua cov yeeb nkab hlau tsis muaj qhov loj me sab hauv uas raug rub los yog dov txias rau hydraulic thiab pneumatic. Nws cov ntaub ntawv sawv cev yog 20, 45 hlau, thiab lwm yam.