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EN877 Cam khwb cia hlau fittings
Grey cam khwb cia hlau yog hais txog cam khwb cia hlau nrog flake graphite, uas yog hu ua grey cam khwb cia hlau vim qhov tawg yog tsaus grey thaum tawg. Cov khoom tseem ceeb yog hlau, carbon, silicon, manganese, sulfur, thiab phosphorus. Nws yog feem ntau siv cam khwb cia hlau thiab nws cov zis tso nyiaj rau ntau tshaj 80% ntawm tag nrho cov cam khwb cia hlau tso zis. Grey cam khwb cia hlau muaj zoo casting thiab txiav zog thiab hnav tsis kam. Siv los tsim racks, txee, thiab lwm yam. Cov graphite hauv grey cam khwb cia hlau yog nyob rau hauv daim ntawv ntawm flakes, qhov zoo bearing cheeb tsam kuj yog me me, thiab cov graphite taub yog prone rau kev nyuaj siab concentration, yog li lub zog, plasticity, thiab toughness ntawm grey. cam khwb cia hlau yog qis dua lwm cov cam khwb cia hlau. Tab sis nws muaj kev co zoo heev damping, qis-notch rhiab heev, thiab siab hnav tsis kam.
Grey cam khwb cia hlau muaj cov ntsiab lus siab carbon (2.7% mus rau 4.0%), uas tuaj yeem suav tau tias yog cov matrix ntawm carbon steel ntxiv rau flake graphite. Raws li cov qauv matrix sib txawv, grey cam khwb cia hlau muab faib ua peb pawg: ferrite matrix grey cam khwb cia hlau; pearlite-ferrite matrix grey cam khwb cia hlau; pearlite matrix grey cam khwb cia hlau
Tam sim no, peb cov khoom siv grey cam khwb cia hlau feem ntau yog cam khwb cia hlau cov kav dej fittings.