Cov yeeb nkab dub
Dub hlau:
Cov hlau dub yog cov hlau tsis muaj coated thiab tseem hu ua dub hlau.Thaum cov yeeb nkab steel yog forged, dub oxide nplai ua rau ntawm nws qhov chaw kom nws ua tiav uas pom ntawm cov yeeb nkab no.Vim tias cov hlau dub raug xeb thiab xeb, lub Hoobkas kuj tseem npog nws nrog cov roj tiv thaiv.Cov hlau dub no yog siv rau kev tsim cov yeeb nkab thiab raj, uas yuav tsis xeb rau lub sijhawm ntev thiab yuav tsum tau saib xyuas me ntsis.Nws yog muag hauv tus qauv 21-foot lengths TBE.
Kev siv cov yeeb nkab dub ::
Cov yeeb nkab dub yog dav siv rau kev siv zoo tib yam hauv dej, roj, cua thiab chav dej, cov kav hlau dub thiab cov kav dej yog siv rau kev faib roj rau sab hauv thiab sab nraum lub tsev thiab rau cov dej kub hauv boiler systems.Nws kuj tseem siv rau cov kav dej hauv cov roj thiab roj av kev lag luam, rau cov dej hauv dej thiab dej, roj thiab dej phwj.Nws tsis yog siv rau cov dej haus los yog rau cov dej khib nyiab los yog cov kav dej.
Dub steel yeeb nkab:
Cov kav hlau dub thiab cov raj yog txiav thiab threaded kom haum rau txoj haujlwm.Fittings rau hom yeeb nkab no yog cov dub malleable (mos) cam khwb cia hlau.Lawv txuas los ntawm screwing mus rau threaded yeeb nkab, tom qab siv ib tug me me npaum li cas ntawm cov yeeb nkab sib txuas ntawm threads.Cov yeeb nkab loj dua yog welded es tsis yog threaded.Cov yeeb nkab dub yog txiav nrog lub tshuab hnyav hnyav lossis txiav tawm los yog los ntawm hacksaw.Thaum cov yeeb nkab steel yog forged, dub oxide nplai ua rau ntawm nws qhov chaw kom nws ua tiav uas pom ntawm cov yeeb nkab no.Vim tias cov hlau yuav raug xeb thiab xeb, lub Hoobkas kuj coated nrog cov roj tiv thaiv.Cov hlau dub no yog siv rau kev tsim cov yeeb nkab thiab raj, uas yuav tsis xeb rau lub sijhawm ntev thiab yuav tsum tau saib xyuas me ntsis.Nws yog muag hauv tus qauv 21-foot lengths TBE.
Khoom | cev dub | |
Txuj | Teb chaws USA | ASTM A53/A106/A178/A179/A192/A210/A213/API 5L/5CT |
Nyiv | JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464 | |
German | DIN 1626/17175/1629-4/2448/2391/17200 SEW680 | |
Tebchaws Askiv | BS 1387/1600/1717/1640/3601/3602/3059/1775 | |
Russia | GOST 8732/8731/3183 | |
Tuam Tshoj | GB/T8162/T8163 GB5310/6579/9948 | |
Khoom Qib | Teb chaws USA | Gr.B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130 |
Nyiv | STPG38, STB30, STS38, STB33, STB42, TS49, STBA23, STPA25, STPA23, STBA20 | |
German | ST33, ST37, ST35, ST35.8, ST45, ST52, 15Mo3, 13CrMo44, 1.0309, 1.0305, 1.0405 | |
Tebchaws Askiv | Tsawg, Nruab Nrab, siab | |
Russia | 10, 20, 35, 45, 20 X | |
Tuam Tshoj | 10 #, 20 #, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo, 42Crmo, 27SiMn, 20CrMo | |
dub steel pipedimensions thiab qhov ntau thiab tsawg | Tawm Dia | 8.7 hli-720mm |
Phab ntsa Thickness | 0.75mm-120mm | |
Ntev | 4-12 m | |
Kev tiv thaiv | Plastic caps / Ntoo rooj plaub | |
Nto | Dub painting / varnished nto, anti-corrosion roj, galvanized los yog raws li tus neeg yuav tsum tau muaj |
Dub painting / varnished nto, anti-corrosion roj,
galvanized los yog raws li tus neeg yuav tsum tau muaj