CrAl 20/5 Alchrome Alloy Wire for Heating Element

• Product Type: Wire
• Material: FeCrAl
• Carbon Content: Low Carbon
• PCD: -
• ET: -
• Hole: -
• Model NO.: CrAl 20/5
• Electrical Resistance Value Tolerance: +/-3%
• Ohm meter: uniform
• Appearance: Silver, no oil, no scratches
• Trading country: Europe, USA, Asia...
• Service: OEM, Test report
• Other model: 1Cr13Al4, 0Cr23Al5, 0Cr25Al5, 0Cr21Al6...
• Technique: Cold rolled
• Size: As clients required
• Surface Treatment: Oxidation
• Eco-friendly: Yes
• Transport Package: Coil, Plywood Box
• Specification: Rohs, ISO 9001: 2008
• Trademark: TANKII
• Origin: China
• HS Code: 7229909000
• Production Capacity: 5000 tons/year

Product Description

Alchrome Alloy Wire (CrAl 20/5) for Heating Element

Nominal Analysis

20.00 Cr, 5.00 Al, Bal. Fe

Max contineous working temperature: 1250ºC.

Melting Temperature: 1500ºC

Electric Resistivity: 1.35 micro ohm/m

Has been used extensively as heating elements in industrial furnaces and electrical kilns.

Has less hot strength than Tophet alloys but much higher melting point.

 

	Main Element
ALLOYS	Ni	Cr	Fe	Resisivity 20°C  (Ω mm2/m)	Density (g/cm3)		Max.°C Temperature	Melting Point°C
NiCr Alloy
NiCr 80/20	Bal.	20.0~23.0	≤1.0	1.09	8.4		1200	1400
NiCr 70/30	Bal.	28.0~31.0	≤1.0	1.18	8.1		1250	1380
NiCr 60/15	55.0~61.0	15.0~18.0	Bal.	1.12	8.2		1150	1390
NiCr 35/20	34.0~37.0	18.0~21.0	Bal.	1.04	7.9		1100	1390
NiCr 30/20	30.0~34.0	18.0~21.0	Bal.	1.04	7.9		1100	1390
NiCr 25/20	23.0~27.0	18.0~22.0	Bal.	0.95	7.8		1000	1290
	Ni	Cr	Al	Fe	Cu	Resisivity 20°C (Ω mm2/m)		Density (g/cm3)	Max.°C  Temperature
Karma	Bal.	19~21.5	2.5~3.2	2~3	-		1.33	8.1	-50-300
Evan	Bal.	19~21.5	2.5~3.2	-	2~3		1.33	8.1	-50-300
FeCrAl Alloy	Cr	Al	Fe	Re	Resisivity 20°C  (Ω mm2/m)		Density (g/cm3)	Max.°C  Temperature	Melting Point°C
1Cr13Al4	12.0~15.0	4.0~60	Bal.	Proper	1.25		7.40	950	1450
Cr15Al5
Cr21Al4	17.0~21.0	2.0-4.0	Bal.	Proper	1.23		7.35	1100	1500
Cr25Al5	23.0-26.0	4.5-6.5	Bal.	Proper	1.42		7.10	1250	1500
Cr21Al6 Cr23Al5	19.0~22.0 20.5-23.5	5.0-7.0 4.2-5.3	Bal. Bal.	Proper Proper	1.42  1.35		7.16 7.25	1250 1250	1500 1500
Cr21Al6Nb	21.0-23.0	5.0-7.0	Bal.	Proper	1.45		7.10	1350	1510
Cr27Al7Mo2	26.5-27.8	6.0-7.0	Bal.	Proper	1.53		7.10	1400	1520