Cov yeeb nkab plaub fab yog lub npe rau cov yeeb nkab plaub fab thiab cov yeeb nkab plaub fab, uas yog, cov yeeb nkab hlau uas muaj qhov ntev sib npaug thiab tsis sib npaug. Nws yog ua los ntawm cov hlau dov tom qab kev kho mob. Feem ntau, cov hlau dov raug qhib, sib npaug, ntswj thiab vuam los ua cov yeeb nkab puag ncig, tom qab ntawd dov ua cov yeeb nkab plaub fab los ntawm cov yeeb nkab puag ncig, thiab tom qab ntawd txiav mus rau qhov ntev xav tau.

1. Qhov kev hloov pauv ntawm phab ntsa tuab ntawm cov yeeb nkab plaub fab yuav tsum tsis pub tshaj ntxiv lossis rho tawm 10% ntawm qhov tuab ntawm phab ntsa nominal thaum lub phab ntsa tuab tsis pub tshaj 10 hli, ntxiv lossis rho tawm 8% ntawm qhov tuab ntawm phab ntsa thaum lub phab ntsa tuab ntau tshaj 10 hli, tshwj tsis yog rau qhov tuab ntawm phab ntsa ntawm cov ces kaum thiab cov chaw vuam.

2. Qhov ntev ntawm cov yeeb nkab plaub fab yog 4000mm-12000mm, feem ntau yog 6000mm thiab 12000mm. Lub raj plaub fab raug tso cai xa cov khoom luv luv thiab tsis ruaj khov tsis tsawg dua 2000mm, thiab kuj tuaj yeem xa tuaj rau hauv daim ntawv ntawm lub raj sib txuas, tab sis tus neeg thov yuav tsum txiav lub raj sib txuas thaum siv nws. Qhov hnyav ntawm cov khoom luv luv thiab cov khoom tsis ruaj khov yuav tsum tsis pub tshaj 5% ntawm tag nrho cov khoom xa tuaj. Rau cov raj plaub fab nrog qhov hnyav theoretical ntau dua 20kg / m, nws yuav tsum tsis pub tshaj 10% ntawm tag nrho cov khoom xa tuaj.

3. Qhov degree khoov ntawm cov yeeb nkab plaub fab yuav tsum tsis pub ntau tshaj 2 hli ib 'meter', thiab tag nrho qhov degree khoov yuav tsum tsis pub ntau tshaj 0.2% ntawm tag nrho qhov ntev

Raws li cov txheej txheem ntau lawm, cov raj plaub fab raug muab faib ua cov raj plaub fab kub dov seamless, cov raj plaub fab txias kos seamless, cov raj plaub fab extruded seamless thiab cov raj plaub fab welded.

Cov yeeb nkab welded square yog muab faib ua

1. Raws li cov txheej txheem - arc vuam square tube, tsis kam vuam square tube (zaus siab thiab tsawg zaus), roj vuam square tube thiab cua sov vuam square tube

2. Raws li qhov vuam - cov yeeb nkab ncaj welded thiab cov yeeb nkab plaub fab welded.

Kev faib tawm cov khoom siv

Cov kav dej plaub fab raug muab faib ua cov kav dej carbon steel ib txwm thiab cov kav dej tsis tshua muaj hlau raws li cov khoom siv.

1. Cov hlau carbon ib txwm muaj faib ua Q195, Q215, Q235, SS400, 20 # hlau, 45 # hlau, thiab lwm yam.

2. Cov hlau tsis tshua muaj hlau yog muab faib ua Q345, 16Mn, Q390, St52-3, thiab lwm yam.

Kev faib tawm tus qauv tsim khoom

Raws li cov qauv tsim khoom, lub raj plaub fab tau muab faib ua lub raj plaub fab txheem hauv tebchaws, lub raj plaub fab txheem Nyiv, lub raj plaub fab txheem Askiv, lub raj plaub fab txheem Asmeskas, lub raj plaub fab txheem European thiab lub raj plaub fab tsis txheem.

Kev faib tawm ntawm cov duab seem

Cov kav dej plaub fab raug faib ua pawg raws li cov duab seem:

1. Lub raj xa dej yooj yim: lub raj xa dej plaub fab, lub raj xa dej plaub fab.

2. Lub raj plaub fab nrog ntu nyuaj: paj zoo li lub raj plaub fab, qhib lub raj plaub fab, corrugated square tube thiab tshwj xeeb-puab square tube.

Kev faib tawm ntawm kev kho qhov chaw

Cov kav dej plaub fab raug muab faib ua cov kav dej kub-dip galvanized, cov kav dej electro galvanized, cov kav dej roj thiab cov kav dej pickled raws li kev kho qhov chaw.

Kev faib tawm siv

Cov raj plaub fab raug faib ua pawg raws li kev siv: cov raj plaub fab rau kev kho kom zoo nkauj, cov raj plaub fab rau cov cuab yeej siv tshuab, cov raj plaub fab rau kev lag luam kho tshuab, cov raj plaub fab rau kev lag luam tshuaj lom neeg, cov raj plaub fab rau cov qauv hlau, cov raj plaub fab rau kev tsim nkoj, cov raj plaub fab rau tsheb, cov raj plaub fab rau cov hlau thiab cov kem, thiab cov raj plaub fab rau cov hom phiaj tshwj xeeb.

Kev faib tawm ntawm phab ntsa tuab

Cov raj plaub fab raug faib ua pawg raws li phab ntsa tuab: cov raj plaub fab tuab ntxiv, cov raj plaub fab tuab thiab cov raj plaub fab nyias. Peb lub Hoobkas muaj cov thev naus laus zis tsim khoom hauv khw, thiab muaj kev txawj ntse heev. Txais tos cov phooj ywg thoob ntiaj teb los sab laj. Peb yuav sim peb qhov zoo tshaj plaws kom tau raws li koj cov kev xav tau sib txawv.