alloy heating wire manufacturer from China Wisdom Import&Export(Shanghai)Co.,Ltd

Place of Origin:

Shanghai, China (Mainland)


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alloy heating wire

Main characteristics of Fe-Cr-Al high resistance heating alloys

(Alloy Nomenclature)		1Cr13Al4	0Cr25Al5	0Cr21Al6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
(Performance)		1Cr13Al4	0Cr25Al5	0Cr21Al6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
(Main	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
Chemical	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
composition)	Re	opportune	opportune	opportune	opportune	opportune	opportune	opportune
	Fe		Rest	Rest	Rest	Rest	Rest	Rest
	Fe	Rest	Rest	Rest	Rest	Rest	Rest	Rest
							Nb0.5	Mo1.8-2.2
℃ (Max. continuous service temp.)		950	1250	1250	1250	1100	1350	1400
℃ (Max. continuous service temp.)		950	1250	1250	1250	1100	1350	1400	20℃ (μΩ·m) (Resistivity at 20ºC)	1.25	1.42	1.42	1.35	1.23	1.45	1.53
(g/cm³) (Density)		7.4	7.1	7.16	7.25	7.35	7.1	7.1
(KJ/m·h·ºC) (Thermal conductivity)		52.7	46.1	63.2	60.2	46.9	46.1	45.2
(α×10^-6/ºC) (Coefficient of lines expansion)		15.4	16	14.7	15	13.5	16	16
( ºC) (Melting point		1450	1500	1500	1500	1500	1510	1520
(approx.))		1450	1500	1500	1500	1500	1510	1520
(N/mm²) (Tensile strength )		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
(F/R) (Repeat Bending frequency)		>5	>5	>5	>5	>5	>5	>5
(H.B.) (Hardness)		200-260	200-260	200-260	200-260	200-260	200-260	200-260
(Hours/ ºC)(continuous service time)		--	≥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