HPb 89-2 Copper Pipe

Lead tooj dag yog qhov tseem ceeb heev thiab yog siv ntau tshaj plaws tooj dag. Lead tooj dag yog tooj dag complex nrog txhuas ua lub ntsiab ntxiv. Nws yog tsim los ntawm plaub cov hlau uas tsis yog-ferrous, Cu, Pb, Al thiab Zn, ua ke hauv ib qho piv txwv. . Lead tsis tshua muaj zog-soluble hauv tooj liab-zinc alloys. Nws tshwm sim raws li ib qho kev ywj pheej theem nyob rau hauv lub alloy thiab muab faib raws li dawb hais nyob rau hauv lub grain ciam teb thiab nyob rau hauv cov nplej. Nws tsis tsuas yog muaj cov nyhuv lubricating, tab sis kuj tuaj yeem tawg cov chips rau hauv cov duab, uas tuaj yeem txhim kho lub machinability ntawm tooj dag. thiab hnav tsis kam. Lub machinability ntawm txhuas tooj dag yog proportional rau cov ntsiab lus txhuas, tab sis thaum cov ntsiab lus txhuas ntau tshaj 3%, lub machinability ntawm tooj liab tsis muaj kev txhim kho, thiab hardness, lub zog thiab elongation ntawm tooj dag yog txo. Yog li ntawd, cov khoom tseem ceeb ntawm cov hlau lead tooj dag tuaj yeem raug suav hais tias yog hnav tsis kam, corrosion kuj thiab zoo toughness.
Nws yog tsuas yog siv los khaws ntau yam kev sib txuas, cov li qub, thiab cov qia bearings hauv kev tsim kho tshuab. Ntawm lawv, kub forged valve blanks, xauv kev lag luam, thiab saib kev lag luam yog peb lub lag luam tseem ceeb. Tus nqi qis ntawm txhuas txhuas yog qhov tseem ceeb ua ntej rau nws daim ntawv thov dav. Nws cov alloy muaj peev xwm muaj ntau yam ntawm cov ntsiab lus alloy, thiab cov ntsiab lus yuav tsum tau xoob, uas tseem tsim lub hauv paus rau kev siv cov khoom siv tooj liab alloy raw khoom.

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