copper manganese Resistance Alloy Manganin 29 CuMn7Sn for low-temperature heating element

• Product Type: Strip
• Material: CuMn7Sn
• Carbon Content: -
• PCD: -
• ET: -
• Hole: -
• Model NO.: CuMn7Sn
• Resistivity: 0.29+/-0.04
• Name: CuMn7Sn
• thickness: 0.01-2.5mm,
• width: 1.0mm Min.
• TCR: +/-10
• Density: 8.5 g/cm3
• Purity: 90% Cu
• Transport Package: Wooden Case
• Specification: 0.02-2.5mm thickness
• Trademark: TANKII
• Origin: Shanghai, China
• HS Code: 74099000
• Production Capacity: 2000 Tons/Year

Product Description

Copper Manganese Resistance Alloy Manganin 29 CuMn7Sn for low-temperature heating element

CHEMICAL COMPOSITION

	Mn%	Sn%	Cu%
Nominal Composition	7	2.5	Bal.

PHYSICAL PROPERTIES

Density g/cm3	8.5
TCR  10-6/K	±10
Elastic Modulus GPa	125
Thermal Conductivity W/(m·K)	35
Thermal expansion coefficient 10-6/ K	21.6
EMF μV/K	-1
Resistivity Ohm mm2/m	0.29+/-0.04

MECHANICAL PROPERTIES

State	Yield strength	Tensile strength	Elongation	Hardness
	Mpa	MPa	%	HV
R350	-	350	30	70