Xitoy FeCrAl qotishmasi 0Cr27Al7Mo2 yuqori issiqlik samaradorligi Alchrome qotishma qarshilik simini ishlab chiqarish va zavod |TANKII

FeCrAl qotishmasi 0Cr27Al7Mo2 yuqori issiqlik samaradorligi Alxrom qotishma qarshilik simi

material:temir, xrom, alyuminiy, oy

maksimal doimiy ish harorati:1400C

qarshilik:1.53

zichlik:7.1

cho'zilish:＞10

FeCrAl qotishmasi 0Cr27Al7Mo2yuqori issiqlik samaradorligiAlxrom qotishma qarshilik simi (Ish harorati 1400C)

Nominal tahlil

27.00 Cr, 7.00 Al, 2.00 Mo, Bal.Fe

Maksimal uzluksiz ish harorati: 1400 C.

Tel diametri: 0,5 ~ 12 mm

Erish harorati: 1520 S

Elektr qarshiligi: 1,53 ohm mm2 / m

Sanoat pechlari va elektr pechlarida isitish elementlari sifatida keng qo'llanilgan.

Tophet qotishmalariga qaraganda kamroq issiq quvvatga ega, ammo erish nuqtasi ancha yuqori.

Shanxay TANKII ALLOY MATERIAL Co., Ltd.

Fe-Cr-Al qarshilik qotishmasining kimyoviy tarkibi va asosiy xususiyati
Xususiyatlar \ daraja		1Cr13Al4	0Cr25Al5	0Cr21Al6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
Asosiy kimyoviy tarkibi (%)	Cr	12,0-15,0	23,0-26,0	19,0-22,0	22,5-24,5	18,0-21,0	21,0-23,0	26,5-27,8
	Al	4,0-6,0	4,5-6,5	5,0-7,0	4,2-5,0	3.0-4.2	5,0-7,0	6,0-7,0
	Re	qulay	qulay	qulay	qulay	qulay	qulay	qulay
	Fe	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.
							Nb0.5	Oy 1,8-2,2
Maksimal uzluksiz xizmat harorati (oC)		950	1250	1250	1250	1100	1350	1400
Qarshilik 20oC (Oh mm2/m)		1.25 ± 0,08	1.42 ± 0,06	1.42 ± 0,07	1.35 ± 0,07	1.23 ± 0,07	1.45 ± 0,07	1.53 ± 0,07
Zichlik (g/sm3)		7.4	7.1	7.16	7.25	7.35	7.1	7.1
Issiqlik o'tkazuvchanligi		52.7	46.1	63.2	60.2	46.9	46.1	45.2
(KJ/m@ h@ oC)		52.7	46.1	63.2	60.2	46.9	46.1	45.2
Issiqlik kengayish koeffitsienti (a × 10-6/oC)		15.4	16	14.7	15	13.5	16	16
Taxminiy erish nuqtasi (oC)		1450	1500	1500	1500	1500	1510	1520
Kuchlanish kuchi (N/mm2)		580-680	630-780	630-780	630-780	600-700	650-800	680-830
Uzayish (%)		> 16	> 12	> 12	> 12	> 12	> 12	> 10
Bo'limning o'zgarishi		65-75	60-75	65-75	65-75	65-75	65-75	65-75
Qisqartirish darajasi (%)		65-75	60-75	65-75	65-75	65-75	65-75	65-75
Takroriy egilish chastotasi (F/R)		> 5	> 5	> 5	> 5	> 5	> 5	> 5
Qattiqlik (HB)		200-260	200-260	200-260	200-260	200-260	200-260	200-260
Uzluksiz xizmat ko'rsatish vaqti		no	≥ 80/1300	≥ 80/1300	≥ 80/1300	≥ 80/1250	≥ 50/1350	≥ 50/1350
Mikrografik tuzilma		Ferrit	Ferrit	Ferrit	Ferrit	Ferrit	Ferrit	Ferrit
Magnit xususiyat		Magnit	Magnit	Magnit	Magnit	Magnit	Magnit	Magnit