AISI 321 / EN 1.4541 / X6CrNiTi18-10 qib sib npaug

AISI 321 cov khoom specification yog dab tsi?

AISI 321 yog austenitic stainless hlau nrog cov ntsiab lus chromium ntawm 17-19% thiab cov ntsiab lus nickel ntawm 9-12%. Nws tau txais kev kho titanium stabilization, muab nws zoo heev tiv thaiv intergranular corrosion tom qab vuam thiab kub kub. Nws cov kev tiv thaiv corrosion zoo ib yam li ntawm 304 qib stainless hlau, tab sis nws yog qhov tsim nyog rau cov kev siv kub xws li cov tshuab cua tshuab thiab cov khoom siv hluav taws xob.

Cov khoom siv dab tsi sib npaug rau X6CrNiTi18-10?

321 (1.4541) Stainless Steel . 321 qib stainless hlau yog ib qib tiag tiag uas nyiam rau cov ntawv siv cua sov. Qib no yog sau ua 1.4541 lossis X6CrNiTi18-10 raws li EN tus qauv thiab nws raug sau ua UNS S32100 raws li UNS tus qauv.

 

Dab tsi yog qhov txawv ntawm 1.4541 thiab 1.4571 stainless hlau?

Raws li European tus qauv EN 10088, cov khoom siv naj npawb 1.4541 yog sib npaug rau AISI 321. Nws tseem hu ua X6CrNiTi18-10. Qhov no yog titanium-stabilized austenitic stainless hlau nrog zoo corrosion kuj, tshwj xeeb tshaj yog tiv thaiv intergranular corrosion. Khoom naj npawb 1.4571 / AISI 316 Ti yog titanium -stabilized austenitic chromium-nickel stainless hlau. Nws muaj qhov zoo corrosion tsis kam rau qis concentration ntawm hydrochloric acid thiab organic acids.

 

1.4541 / AISI 321 Stainless hlau sib npaug qib

Standard System	Qib sib npaug	Sau ntawv
AISI / ASTM (USA)	AISI 321 / UNS S32100	Direct chemical thiab mechanical sib npaug
EN / DIN (Tebchaws Europe)	1.4541 / X6CrNiTi18-10	EN txuj nrog Ti stabilization
BS (UK)	321S31	British sib npaug siv nyob rau hauv cov qauv specs
JIS (Nyiv)	SUS 321	Japanese Industrial Standard
GB (Tuam Tshoj)	0Cr18Ni10 Ti	Suav txheem nrog titanium
ISO	X6CrNiTi18-10	ISO nomenclature (ib yam li EN)

 

1.4541 Stainless Steel Chemical Composition (% los ntawm qhov hnyav)

Tshuaj muaj pes tsawg leeg,%
Lub teb chaws (Region)	Txuj	Qib Steel (Steel Number)	C, Tsawg dua los yog sib npaug	Si, Less than or equal to	Mn, Tsawg dua lossis sib npaug	P, Tsawg dua lossis sib npaug	S, Tsawg dua los yog sib npaug	Cr	Ni	Ti
European Union	EN 10088-2; TS EN 10088-3	X6CrNiTi18-10 (1.4541)	0,08	1,00	2,00	0,045	0,015	17,0-19,0	9,0-12,0	5 x0,70

 

1.4541 Stainless Hlau Mechanical Properties (ntawm chav tsev kub)

Khoom	Tus nqi	Txuj kev cai (EN 10088-2)
Tensile zog (Rm)	520-720 MPa	Ntau dua lossis sib npaug li 520 MPa
Yield zog (Rp0.2)	Ntau dua lossis sib npaug li 210 MPa	Ntau dua lossis sib npaug li 210 MPa
Elongation (A5)	Ntau dua lossis sib npaug li 40%	Ntau dua lossis sib npaug li 40%
Brinell Hardness (HBW)	Tsawg dua los yog sib npaug li 200	Tsawg dua los yog sib npaug li 200
Qhov ntom	7.90 g / cm³	-

 

Lub cev muaj zog

Qhov ceev, g / cm3	7,9
Sib nqus	Tsis muaj
Hluav taws xob tiv taus, μΩ·m	0.73 (20 degree)
Lub peev xwm kub tshwj xeeb, J / (kg·K)	500 (20 degree)
Thermal conductivity, (W / m · K)	15.0 (20 degree)

 

1.4541 Khoom siv cua sov kho

Rau cov tshuaj annealing ntawm 1.4541 cov ntaub ntawv, yog tias kev kho cua sov tau ua nyob rau hauv lub cub tawg tas mus li, nws yog qhov zoo tshaj plaws los qhia lub siab tshaj plaws ntawm qhov kub thiab txias, los yog tshaj nws, thiab cov cua txias yuav tsum ceev txaus kom tsis txhob nag lossis daus . 321 stainless hlau yog qib nyiam rau cov ntawv thov nrog qhov kub thiab txias txog li 900℃lub zog, oxidation tsis kam, subquenting combustion thiab stability. corrosion.

 

Vuam
Tag nrho cov txheej txheem welding tuaj yeem ua nrog lossis tsis muaj cov khoom siv hlau. Yog hais tias yuav tsum tau muab tub lim hlau, 1.4316 thiab 1.4551 steels raug pom zoo. Qhov siab tshaj plaws interpass kub thaum vuam yog 200 degree. Tsis muaj preheating lossis post-weld kho cua sov yog yuav tsum tau.

 

Corrosion Resistance
Tus nqi PREN ntawm AISI 321 stainless hlau yog kwv yees li 17-19. Nws khaws qee qhov kev tiv thaiv rau intergranular corrosion tom qab vuam, tab sis kom tsis txhob pitting corrosion, kev siv mus sij hawm ntev hauv dej hiav txwv tsis pom zoo.