Loj Diameter Square Tube

1. Loj-inch square yeeb nkab rau cov qauv (GB/T8162-1999) yog ib tug loj-inch square yeeb nkab rau cov qauv thiab txhua yam qauv.

2. Loj-inch square yeeb nkab rau kev thauj mus los ntawm cov kua dej (GB/T8163-1999) yog ib qho loj-inch square yeeb nkab siv los thauj dej, roj, roj thiab lwm yam dej.

3. Loj-inch square raj rau qis thiab nruab nrab siab boilers (GB3087-1999) yog siv los tsim superheated chav raj rau qis thiab nruab nrab siab boilers ntawm ntau yam qauv, boiling dej raj thiab superheated chav tub raj rau locomotive boilers, loj pa luam yeeb raj, Cov pa luam yeeb me me thiab cov arches High-quality carbon structural steel kub-dov thiab txias-draw (dov) loj-inch square kav rau cib kav.

4. Loj-inch square raj rau high-pressure boilers (GB5310-1995) yog high-zoo carbon steel, alloy steel, thiab stainless steel tshav kub-resistant steel loj-inch square raj rau cov cua kub saum npoo ntawm high-pressure thiab saum dej- cev boilers.

5. Lub siab-siab loj-inch square yeeb nkab rau cov khoom siv chiv (GB6479-2000) yog cov khoom siv zoo carbon steel thiab alloy steel loj-inch square yeeb nkab haum rau cov khoom siv tshuaj thiab cov kav dej nrog kev ua haujlwm kub ntawm -40 ~ 400 ℃ thiab ua haujlwm siab ntawm 10 ~ 30Ma.Tube.

6. Cov kav dej loj-inch square rau roj av tawg (GB9948-88) yog cov kav dej loj-ntev square zoo tsim rau cov kav hlau, cov khoom siv hluav taws xob thiab cov kav dej hauv cov roj av refineries.

7. Cov kav hlau hlau rau geological drilling (YB235-70) yog cov kav hlau siv rau cov tub ntxhais drilling los ntawm cov chaw haujlwm geological.Lawv tuaj yeem muab faib ua cov kav dej laum, laum dab tshos, cov kav dej tseem ceeb, cov kav dej thiab cov kav dej hauv cov kav dej raws li lawv siv.

8. Loj-inch square yeeb nkab rau pob zeb diamond core drilling (GB3423-82) yog ib txoj kab loj-inch square yeeb nkab siv rau pob zeb diamond core drilling, core rods, thiab casing.

9. Petroleum drilling yeeb nkab (YB528-65) yog ib txoj kab uas hla loj square yeeb nkab uas yog thickened sab hauv lossis sab nraud ntawm ob qhov kawg ntawm cov roj drilling.Cov kav hlau tau muab faib ua ob hom: hlau thiab tsis muaj hlau.Cov kav hlau txuas txuas nrog cov pob qij txha, thiab cov kav hlau tsis muaj hlua txuas nrog cov cuab yeej sib txuas los ntawm pob tw vuam.

10. Carbon steel loj-inch square kav rau nkoj (GB5213-85) yog cov pa roj carbon steel loj-inch square kav siv nyob rau hauv kev tsim cov chav kawm I siab piping systems, Class II siab piping systems, boilers thiab superheaters.Kev ua haujlwm kub ntawm carbon steel loj-inch square tube phab ntsa tsis tshaj 450 ℃, thiab cov hlau alloy steel loj-inch square raj phab ntsa tshaj 450 ℃.

11. Loj-inch square raj rau tsheb ib nrab-ncej casing (GB3088-82) yog cov zoo carbon structural steel thiab alloy structural steel kub dov loj-inch square raj rau kev tsim tsheb ib nrab-ncej casing thiab tsav qag qag raj. .

12. High-pressure roj yeeb nkab rau diesel cav (GB3093-2002) yog ib tug txias-drawn loj-inch square yeeb nkab rau kev tsim high-pressure yeeb nkab ntawm diesel cav txhaj system.

13. Lub precision puab txoj kab uas hla loj square raj rau hydraulic thiab pneumatic thooj voos kheej kheej (GB8713-88) yog ib tug txias drawn los yog txias dov precision loj txoj kab uas hla square raj nrog ib tug meej puab txoj kab uas hla rau kev tsim khoom ntawm hydraulic thiab pneumatic thooj voos kheej kheej.

14. Cold-drawn los yog txias-dov precision loj-inch square yeeb nkab (GB3639-2000) yog siv rau cov khoom siv kho tshuab, cov khoom siv hydraulic nrog qhov siab qhov tseeb thiab qhov chaw zoo.Xaiv qhov precision loj-inch square raj los tsim cov cuab yeej siv tshuab lossis cov khoom siv hydraulic tuaj yeem txuag tau zoo machining txiv neej-teev, nce kev siv cov khoom siv, thiab tib lub sijhawm pab txhim kho cov khoom zoo.

15. Cov qauv stainless hlau loj-ntev square yeeb nkab (GB / T14975-2002) yog cov hlau kub-kuav los tiag stainless hlau ua los ntawm cov kav dej tiv thaiv corrosion thiab cov khoom siv thiab cov khoom siv dav siv hauv tshuaj, roj av, textile, kho mob, khoom noj khoom haus, machinery thiab lwm yam kev lag luam.(Extruded, nthuav) thiab txias rub (dov) loj-inch square raj.

16. Stainless hlau loj-inch square raj rau kev thauj mus los kua (GB/T14976-2002) yog ib tug kub-dov (extruded, nthuav) thiab txias-draw (dov) loj-inch square raj ua los ntawm stainless hlau rau kev thauj mus los kua.

17. Tshwj xeeb-shaped loj-inch square yeeb nkab yog ib lo lus dav dav rau cov kav dej loj-inch square nrog cov duab sib dhos uas tsis yog cov kav dej puag ncig.Raws li cov duab sib txawv thiab qhov loj ntawm cov yeeb nkab steel, nws tuaj yeem muab faib ua vaj huam sib luag thickness tshwj xeeb-zoo li tus loj-inch square yeeb nkab (code D), tsis sib xws phab ntsa thickness tshwj xeeb-zoo li tus loj-inch square yeeb nkab (code BD), sib txawv txoj kab uas hla tshwj xeeb-zoo li tus seamless steel yeeb nkab (code BJ) ).Tshwj xeeb-zoo li tus loj-inch square raj yog dav siv nyob rau hauv ntau yam structural qhov chaw, cov cuab yeej thiab mechanical qhov chaw.Piv nrog rau cov kav dej puag ncig, cov kav dej tshwj xeeb feem ntau muaj lub sijhawm loj ntawm inertia thiab seem modulus, thiab muaj ntau dua dabtsi yog khoov thiab torsion tsis kam, uas tuaj yeem txo qhov hnyav ntawm cov qauv thiab txuag hlau.