Sep 26, 2025 Tso lus

SS 304 yeeb nkab vs ss 420 yeeb nkab

 

SS 304 Cov Khoom Taw Qhia

 

SS 304 yeeb nkab yog cov tshuaj tsis huv stainless hlau nrog cov tseem ceeb muaj pes tsawg leeg ntawm 18%}} Qhov no muaj kev sib xyaw ua ke tso cai ua ke rau cov yeeb nkab tsim kev ua yeeb yam, tab sis kuj yog los ntawm cov kua ntses uas tsis muaj zog thiab cov hauv paus kom tsis muaj zog siv hauv kev ua khoom noj).

 

SS 420 yeeb nkab khoom lus qhia

 

SS 420 yeeb nkab yog lub martensitic stainless hlau nrog ib tug txo cov ntsiab lus chromium ntawm 12% thiab tsis muaj npib tsib ntxiv, tab sis nrog ib cov ntsiab lus roj carbon ntau ntxiv, tab sis nrog ib qho kev ntxiv cov ntsiab lus ntawm cov roj carbon ntau ntxiv ntawm 0.15% -0.40%. Nws cov ntsiab lus carbon siab tso cai rau kev nyuaj rau kev nyuaj dhau los ntawm kev nyuaj siab ntawm 50-55 HRC tom qab ua kom tawv kub, thiab lub zog tensile

 

Lub ntsiab

 

Yog hais tias corrosion tsis kam thiab yooj yim ntawm kev ua tau ua ntej, SS 304 cov yeeb nkab yog qhov kev xaiv zoo. Yog tias lub zog siab thiab Hardness yog cov tseem ceeb uas yuav tsum tau tseem ceeb, thiab kev ua haujlwm ib puag ncig tsis yog rau kev corrosion, SS 420 yeeb nkab yog qhov ntau dua. Tus yuam sij rau xaiv ntawm ob hom no yog kom sib npaug ntawm peb qhov kev xav tau ntawm corrosion tsis kam, lub zog kho zog, thiab yooj yim ntawm kev ua.

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