410 vs 420 stainless hlau: martensitic lub zog thiab ntug kev sib tuav tseg

 

Ua li cas lawv cov tshuaj lom neeg sib txawv sib txawv?

410 contains 11.5-13.5% chromium and 0.15% max carbon. 420 has 12-14% chromium and higher carbon (0.15-0.40%), which allows for greater hardness after heat treatment. Neither contains nickel, keeping costs lower than austenitic steels.​

 

Qhov twg muaj cov hardness zoo dua thiab lub zog?

420, thaum kub-kho, mus txog50-55 hrc, nyuaj dua 410), ua rau nws zoo dua rau 410)

 

Yuav ua li cas lawv sib piv hauv corrosion tsis kam?

Ob leeg muab cov corrosion tsis zoo nyob rau hauv cov chaw qhuav, nrog 420 ua rau muaj xeb ua pa roj av, tab sis lawv tsis kam rau sab hauv lossis dej noo siv {}}

 

Yuav ua li cas hais txog lawv cov kev ua pov thiab kho cua sov?

410 muaj ntau nyob hauv nws lub xeev annealed, yooj yim dua rau weld nrog kev kho kom sov, nrog 420}} pa taws kom sov rau hardness .

 

410 thiab 420 feem ntau siv?

410 yog siv nyob rau hauv li qub, twj tso kua mis, thiab Automotive cov cuab yeej muaj peev xwm nyob rau hauv rab riam, kev phais mob, qhov chaw rov qab yog qhov tseem ceeb.