ISO Standard Tshuab thiab tes kais

Nrog nws lub zog siab, hardness, hnav tsis kam, thiab kub tsis kam, cov hlau no muaj lub zog siab tshaj plaws, hardness, hnav tsis kam, thiab kub tsis kam, yog li koj cov txheej txheem txiav yuav ua tau zoo dua.Raws li qhov tshwm sim ntawm lawv cov txheej txheem zoo, lawv kuj tiv thaiv lawv los ntawm kev sib txhuam, qhov txias txias, thiab nthuav dav, thiab muab kev sib kis tau zoo thiab ci ntsa iab.Raws li kev ruaj khov, tawv, thiab muaj peev xwm tsim cov xov ntawm ntau qhov sib txawv, cov kais dej no kuj yog tsim los ntawm cov kabmob steel.Cov kais dej yog precision-txiav los ntawm high carbon steel hlau, ua rau lawv tsis tshua muaj neeg yooj yim mus use raws li tsis tshua muaj neeg yooj yim thiab yooj yim mus use.Los ntawm kev siv cov kais dej sib txawv, koj tuaj yeem ua tau raws li ntau yam kev xav tau ntawm threading.

Ntau yam xov tuaj yeem raug kaw thiab koom nrog siv cov cuab yeej no.Nrog rau lawv tus qauv xov tsim, lawv yog cov ntse thiab meej tsis muaj burrs thiab lawv tuaj nyob rau hauv ntau qhov ntau thiab tsawg kom haum rau ntau yam kev ua haujlwm.Lawv kuj tuaj hauv ntau qhov ntau thiab tsawg kom haum rau ntau yam kev ua haujlwm.Yog tias koj coj mus rhaub cov faucets no, xyuas kom meej tias lub voj voog lub voj voog yog tsim nyog.Lawv kuj tuaj yeem siv rau hauv qhov chaw me me.Nws yog qhov zoo dua tias tus kais dej yuav tawg thaum lub qhov tsis me dhau, yog li lub qhov yuav tsum me me li sai tau.