Specifications
1.Professional manufacturer
2.Competitive price
3.Stable resistance
4.Long working life
 
Product Description
1. FeCrAl heating wire:
OCr27AL7Mo2, OCr21AL6Nb, OCr21AL6, OCr25AL5, OCr23AL5, OCr21AL4, 1Cr13AL4.

2. Nichrome heating wire:
Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30.

3. Product forms and size range
Round wire
0.010-12 mm (0.00039-0.472 inch)
Other sizes are available on request.

Ribbon (flat wire)
Thickness: 0.023-0.8 mm (0.0009-0.031 inch)
Width: 0.038-4 mm (0.0015-0.157 inch)
Width/thickess ratio max 60, depending on alloy and tolerance
Other sizes are available on request.

4. Stranded wire
Some resistance heating alloys and pure nickel are available as stranded wire.

5. Marking
Each spool/package of wire is supplied with a label or tag showing alloy type, nominal size, gross and net weight, resistance W/m (W/ft), charge number and a reference number.

6. Stock program
We have a number of frequently used products in stock. Please contact us for details

Type of alloy	Description
FeCrAl alloys	High-resistivity iron-chromium-aluminium alloys for use up to 1400o C (2550o F).
NiCr alloys	High-resistivity nickel-chromium alloys for use up to 1250o C (2280o F).
NiFe alloys	Low-resistivity nickel-iron alloys with high temperature coefficient of resistance for use up to 600o C (1110o F).
Cuprothal CuNi alloys	Medium- and low-resistivity copper-nickel alloys for use up to 600o C (1110o F).

 
 7.Parameters

Alloy Nomenclature Performance		1Cr13Al4	0Cr25Al5	0Cr21Al6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
Main Chemical composition	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
	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(° C)		950	1250	1250	1250	1100	1350	1400
Resistivity at 20o C(μ Ω · m)		1.25	1.42	1.42	1.35	1.23	1.45	1.53
Density(g/cm3)		7.40	7.10	7.16	7.25	7.35	7.10	7.10
Thermal conductivity(KJ/m· h· o C)		52.7	46.1	63.2	60.2	46.9	46.1
Coefficient of lines expansion(α × 10-6/o C)		15.4	16.0	14.7	15.0	13.5	16.0	16.0
Melting point approx. ( o C)		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 servicetime(Hours/ o C)		--	≥ 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