Fechral Cr23al5 Resistance Heating Alloy Ribbon/Wire

• Product Type: Strip
• Material: Fe-Cr-Al
• Carbon Content: Low Carbon
• PCD: 100mm
• Status: Bright,Soft
• Melting Temperature: 1500
• Model NO.: Cr23al5
• Electrical Resistivity: 1.25 Ohm mm2/M
• Thickness: 0.01-7mm
• Transport Package: Coil, Waterproof Paper, Plywood Pallet
• Specification: GB/T 1234-2010
• Trademark: Ualloy
• Origin: China
• HS Code: 72209000
• Production Capacity: 200 Tons/Month

Product Description

Fecral Resistance Heating Alloy Ribbon 

Nominal Analysis

Cr 25%, Al 5%, Fe Bal. ºC

Max contineous working temperature: ºC

Melting Temperature: 1500

Electrical Resistivity: 1.25 ohm mm2/m(Also have other choices)

Size: Thickness 0.01-7mm, width 5mm-300mm

Standard: ASTM B603, DIN 17470, TOCT 10994, JIS C2520, GB/T1234

Properties/Grade		1Cr13Al4	0Cr21Al4	0Cr21Al6	0Cr23Al5	0Cr25Al5	0Cr21Al6Nb	0Cr27Al7Mo2
Main  Chemical  composition(%)	Cr	12.0-15.0	18.0-21.0	19.0-22.0	22.5-24.5	23.0-26.0	21.0-23.0	26.5-27.8
	Al	4.0-6.0	3.0-4.2	5.0-7.0	4.2-5.0	4.5-6.5	5.0-7.0	6.0-7.0
	Fe	Balance	Balance	Balance	Balance	Balance	Balance	Balance
	Re	opportune	opportune	opportune	opportune	opportune	opportune	opportune
							Nb:0.5	Mo:1.8-2.2
Max.   continuous  service  temp.   of  element		950	1100	1250	1250	1250	1350	1400
Resistivity  at  20oC  (μ Ω @ m)		1.25+-0.08	1.23+-0.06	1.42+-0.07	1.35+-0.07	1.42+-0.06	1.45+-0.07	1.53+-0.07
Density  (g/cm3)		7.4	7.35	7.16	7.25	7.1	7.1	7.1
Thermal  conductivity(KJ/m@ h@ oC)		52.7	46.9	63.2	60.2	46.1	46.1	45.2
Coefficient  of  lines  expansion(α × 10-6/oC)		15.4	13.5	14.7	15	16	16	16
Melting  point  (approx. )(  oC)		1450	1500	1500	1500	1500	1510	1520
Elongation  at  rupture  (%)		≥16	≥12	≥12	≥12	≥12	≥12	≥10
Micrographic  structure		Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
Magnetic  properties		magnetic	magnetic	magnetic	magnetic	magnetic	magnetic	magnetic

Has been used extensively as heating elements in industrial furnaces and Brake Resistor. Our company produce many kind of resistivity and surface metal strip for our clients.