Cr21al6nb Heating Rod/ Resistance Heating Bar

• Product Type: Rod
• Material: Fecral
• Carbon Content: Low Carbon
• PCD: 100mm
• ET: 0
• Hole: 0
• Model NO.: Cr21Al6Nb
• Resistivity: 1.45
• Wires: 20mm
• Color: Bright
• Transport Package: Wooden Pallet
• Specification: ISO9001, ISO14001
• Trademark: ualloy
• Origin: China
• HS Code: 85149090
• Production Capacity: 500tons/Year

Product Description

 0Cr21Al6Nb
Chemical Content(%)

C	P	S		Mn		Si	Cr	Ni	Al	Fe	Other
Max
0.05	0.025		0.025		0.70	Max 0.6	21.0~23.0	Max 0.60	5.0~7.0	Bal.	Nb 0.5

Mechanical Properties

Max Continuous Service Temp	1350ºC
Resisivity at 20ºC	1.45 ohm mm2/m
Density	7.1 g/cm3
Thermal Conductivity	46.1 KJ/m·h·ºC
Coefficient of Thermal Expansion	16.0×10-6/ºC
Melting Point	1510ºC
Tensile Strength	637~784 Mpa
Elongation	Min 12%
Section Variation Shrink Rate	65~75%
Repeatedly Bend Frequency	Min 5 times
Continuous Service Time	-
Hardness	200-260HB
Micrographic Structure	Ferrite
Magnetic Property	Magnetic

Temperature Factor of Electrical Resistivity

20ºC	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC	700ºC	800ºC	900ºC	1000ºC	1100ºC	1200ºC
1	0.997	0.996	0.994	0.991	0.990	0.990	0.990	0.990	0.990	0.990	0.990	0.990