Product Details

Product Description

STA universe group Co., Ltd. as a professional supplier of Iron Chromium Aluminum Alloy resistance heating Wire .These wire production includes forging, rolling, annealing and drawing.From the ingot to the final thin wire, manufacture process is operated with high standard quality control system. There will be quality test for each batch of product, such as test to diameter tolerance, content, hardness, etc.

1.The Characteristics:

*Low temperature coefficient of electric resistance

*High operating temperature and good corrosion resistance under high temperature

*Good oxidation and heat resistance

2.Temperature factor of resistivity:

Temperature°C	100	200	300	400	500	600	700	800	900	1000	1100	1200	1300	1400
Ct	1.00	1.00	1.00	1.00	1.01	1.02	1.02	1.03	1.03	1.04	1.04	1.04	1.04	1.05

3.Chemical and Physical Properties:

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		650	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)		7.40	7.10	7.16	7.25	7.35	7.10	7.10
Thermal conductivity (KJ/m·h·ºC)		52.7	46.1	63.2	60.2	46.9	46.1	45.2
Coefficient of lines expansion(α×10^-6/ºC)		15.4	16.0	14.7	15.0	13.5	16.0	16.0
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
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
Micrographic structure		Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite

4.Typical applications :

1)Used chiefly for heating elements in the electrical industry

2)Industrial electric furnace, household electrical appliance, electrical oven, electrical heater, infrared settings and far infrared ray device

3)mployed under high-temperature conditions.

Pictures show :

Packaging & Shipping

Polyethylene foam and wooden case and wooden pallet or pack as customer's requirement .

Our Services

You can contact our trade manager at any time. Your problems can be responsed in 12 hours can we will give you solutions in 24 hours. Also if there’s amy problem about our products’ quality, we accept resending them again. Thank you.