China 0cr27al7mo2 Electric Resistance Heating Alloy Wire Manufacture and Factory

0cr27al7mo2 Electric Resistance Heating Alloy Wire

Short Description:

Model NO.: 0Cr27Al7mo2

Material: Fe-Cr-Al Wire

Density: 7.1 g/cm3

Resistivity: 1.53+/-5%

Surface: Bright, Acid White, Oxidation

Origin: China

Trademark: TANKII

HS Code: 72230000

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Product Tags

FeCrAl alloy has the characteristic of high resistivity,low temperature resistance coefficient,high operating temperature,goodanti-oxidation and anti-corrosion under high temperature.

It is widely used in industrial furnace, household appliances, industry furnace, metallurgy, machinery, aircraft, automotive,
and other industries producing heating elements and resistance elements.

Product Description

Alloy Nomenclature Performance		1Cr13AL4	0Cr25Al5	0Cr21AL6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
	Cr	12.0-15.0	23.0-26.0	19.0-22.0	20.5-23.5	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	4.2-5.3	3.0-4.2	5.0-7.0	6.0-7.0
Main Chemical composition	Re	opportune	opportune	opportune	opportune	opportune	opportune	opportune
	Fe	Rest	Rest	Rest	Rest	Rest	Rest	Rest
							Nb0.5	Mo1.8-2.2
Max. continuous service temp. of element(ºC)		950	1250	1250	1250	1100	1350	1400
Resistivity at 20ºC(μΩ/m)		1.25	1.42	1.42	1.35	1.23	1.45	1.53
Density(g/cm3)		7.4	7.1	7.16	7.25	7.35	7.1	7.1
Thermal conductivity(KJ/m.h.ºC)		52.7	46.1	63.2	60.2	46.9	46.1	–
Coefficient of lines expansion(α*10-6/ºC)		15.4	16	14.7	15	13.5	16	16
Melting point approx.( ºC)		1450	1500	1500	1500	1500	1510	1520
Tensile strength(N/mm2)		580-680	630-780	630-780	630-780	600-700	650-800	680-830
Elongation at rupture(%)		>16	>12	>12	>12	>12	>12	>10
Variation of area(%)		65-75	60-75	65-75	65-75	65-75	65-75	65-75
Repeat Bending frequency(F/R)		>5	>5	>5	>5	>5	>5	>5
Hardness(H.B.)		200-260	200-260	200-260	200-260	200-260	200-260	200-260
continuous service time(Hours/ ºC)		–	≥80/1300	≥80/1300	≥80/1300	≥80/1250	≥50/1350	≥50/1350
Micrographic structure		Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
Magnetic properties		Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic