Lub luag haujlwm ntawm phosphorus nyob rau hauv stainless hlau kav yog dab tsi?

Phosphorus yog ib yam khoom muaj nyob rau hauv cov kav hlau stainless. Thaum nyob rau hauv cov hlau tsis tu ncua, phosphorus feem ntau suav hais tias yog ib qho teeb meem impurity, hauv stainless hlau, qhov xwm txheej txawv. Phosphorus tuaj yeem txhim kho lub zog thiab txias ua haujlwm hardening nyhuv ntawm stainless hlau. Txawm li cas los xij, nws tuaj yeem ua rau muaj kev kub ntxhov ntawm cov hlau tsis muaj steel, tshwj xeeb tshaj yog nyob rau qhov kub thiab txias. Txawm li cas los xij, feem ntau, qhov teeb meem ntawm phosphorus yuav ua rau kom txias brittleness ntawm stainless hlau kav, ua rau cov vuam kev ua tau zoo, txo cov yas, thiab ua rau qhov txias txias ua haujlwm. Txawm li cas los xij, qhov kev phom sij no tsis yog qhov tseem ceeb hauv cov kav hlau stainless li nws yog nyob rau hauv cov hlau zoo tib yam.
Yog li ntawd, cov ntsiab lus phosphorus nyob rau hauv cov kav hlau stainless feem ntau yuav tsum muaj tsawg dua {{0}}.045%, thiab cov kev cai rau cov kav hlau tsis zoo stainless hlau tseem qis dua. Raws li tus qauv hauv tsev stainless hlau yeeb nkab GB / T14976-2002, cov ntsiab lus phosphorus raug txwv tsawg dua 0.035%.