China Alkrothal 720 No.1 JR FeCrAl Alloy for brake resistor Manufacture and Factory |TANKII

Alkrothal 720 No.1 JR FeCrAl Alloy for brake resistor

Tsanangudzo Pfupi:

zita remuenzaniso:Alkrothal 720

zvinhu:fecral

chimiro:denderedzwa kana mucheka

resistivity:1.25

density:7.4

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Alkrothal 720 Nha.1 JRye brake resistor

Typical applications for Alkrothal 720 are in rheostats, braking resistors, etc. Inoshandiswawo semagetsi ekupisa zvinhu mumaindasitiri ekushandisa.

Alkrothal 720 is a ferritic iron-chromium-aluminium alloy (FeCrAl alloy) inoshandiswa patembiricha inosvika 1000°C (1830°F).

Nominal Analysis

Cr	Al	Fe
			12.0~15.0	4.0~6.0	Balance

Mechanical Properties

Max Continuous Service Temperature:
Resisivity 20ºC:
Density:
Thermal Conductivity:
Coefficient of Thermal Expansion:
Melting Point:
Elongation:
Chimiro cheMicrographic:
Magnetic Property:

950ºC
1.25ohm mm2/m
7.40g/cm3
52.7 KJ/m·h·ºC
15.4×10-6/ºC (20ºC~1000ºC)
1450ºC
Zvishoma 16%
Ferrite
magnetic

Kukura: Ukobvu 0.01-7mm, hupamhi 0.5-1000mm

Pamusoro: BA, 2B

Kuoma: Yakapfava, Hafu yakaoma, yakaoma

Yakashandiswa zvakanyanya senge hombe yemagetsi brake resistor uye choto chekudziya zvinhu.

Ine simba shoma rinopisa pane Tophet alloys asi yakanyanya kunyungudika.

Iyo kambani Shanghai TANKII ALLOY MATERIAL Co., Ltd.

FECRAL UYE ALCHROME Alloy PRODUCER muChina, ANYANYA KUNYANYA MUNYIKA.

Isu tinogadzirawo pazasi mamaki:

0Cr15Al5 uye 0Cr19Al3, nezvimwewo.

Kemikari Inoumbwa uye Hunhu Huru hweFe-Cr-Al Resistance Alloy
Properties Grade		1Cr13Al4	0Cr25Al5	0Cr21Al6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
Main Chemical Composition (%)	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	mukana	mukana	mukana	mukana	mukana	mukana	mukana
	Fe	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.
							Nb0.5	Mo1.8-2.2
Max Kuenderera mberi Sevhisi Temperature(oC)		950	1250	1250	1250	1100	1350	1400
Resisivity 20oC (Ωmm2/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
Density(g/cm3)		7.4	7.1	7.16	7.25	7.35	7.1	7.1
Thermal Conductivity		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
Coefficient of Thermal Expansion(α×10-6/oC)		15.4	16	14.7	15	13.5	16	16
Yakasvika Melting Point (oC)		1450	1500	1500	1500	1500	1510	1520
Kusimba Kwesimba(N/mm2)		580-680	630-780	630-780	630-780	600-700	650-800	680-830
Elongation(%)		>16	>12	>12	>12	>12	>12	>10
Chikamu Kusiyana		65-75	60-75	65-75	65-75	65-75	65-75	65-75
Shrink Rate (%)		65-75	60-75	65-75	65-75	65-75	65-75	65-75
Kasingaperi Bend Frequency(F/R)		>5	>5	>5	>5	>5	>5	>5
Kuoma (HB)		200-260	200-260	200-260	200-260	200-260	200-260	200-260
Nguva Yebasa Inoenderera		no	≥80/1300	≥80/1300	≥80/1300	≥80/1250	≥50/1350	≥50/1350
Micrographic Structure		Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
Magnetic Property		Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic