SUS420J2 Stainless Hlau: Siab-Hardness Cutlery thiab Tool Qib

Hom: Martensitic stainless hlau.

Hardness: Ua tau zoo hardness thiab lub zog tom qab quenching thiab tempering, muab dlej tuav tuav rau riam.

Corrosion Resistance: Muaj kev tiv thaiv zoo rau xeb thiab ntau yam tshuaj, ua tau zoo nyob rau hauv tsev thiab chaw tsim khoom.

Tus nqi -Cov: Ib tus thawj coj ua lag luam vim nws cov khoom sib npaug thiab kev them taus.

Daim ntawv thov: Zoo tagnrho rau cov riam hauv chav ua noj, txiab, cov cuab yeej phais, thiab txawm tias lub caij nplooj ntoos hlav vim nws lub zog.

Kev sib piv: softer thiab hnav tsawg dua -resistant dua 440C tab sis tawv thiab corrosion ntau dua-resistant; zaum ntawm 420J1 thiab 440C hauv kev ua haujlwm.

Hauv Summary:

Yog tias koj xav tau cov hlau uas ntse, corrosion-resistant, tawv, thiab yuav tsis tawg lub txhab nyiaj, 420J2 yog ib qho kev xaiv ntau yam, tshwj xeeb tshaj yog rau cov cuab yeej txiav txhua hnub.

 

Esib grade

Txuj	Teb chaws USA		Teb chaws Europe	UK
Lub npe	UNS	AISI	EN	BS
SUS420J2	Ｓ42000	420	X30Cr13	420S45

 

Tshuaj Formulantawm SUS420J2 Stainless Hlau

Lub npe	C	Si	Mn	P	S	Cr
SUS420J2	0.26-0.40	Tsawg dua los yog sib npaug li 1.00	Tsawg dua los yog sib npaug li 1.00	Tsawg dua lossis sib npaug li 0.040	Tsawg dua lossis sib npaug li 0.030	12.00-14.00

 

 

Mechanical zog

Lub npe	Kev ua tiav	Hardness	Tensile zog	Elongation
		HV	N / hli 2	%
SUS420J2	Annealed	150-200	540-655	20-30
	Siab tawv	280-320	880-1030	1-3