Shanghai Tankii Alloy Material Co.,Ltd
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copper manganese Tin Alloy Resistance Alloy Manganin 29 CuMn7Sn Strip for Chip Resistors

Product Details

Place of Origin: Shanghai, China

Brand Name: TANKII

Certification: ISO9001 SGS

Model Number: CuMn7Sn

Payment & Shipping Terms

Minimum Order Quantity: 100 KG

Price: negotiable

Packaging Details: Wooned Case

Delivery Time: 7-20 days

Payment Terms: L/C, T/T, Western Union

Supply Ability: 100 Tons per month

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Specifications
Highlight:
Material:
CuMn7Sn
Surface:
Bright,
Thickness:
0.05 -20.00mm
Width:
1-200 Mm
Density:
8.5 G/cm3
TCR:
+/-10
EMF μV/K:
-1
Thermal Conductivity W/(m·K):
35
Material:
CuMn7Sn
Surface:
Bright,
Thickness:
0.05 -20.00mm
Width:
1-200 Mm
Density:
8.5 G/cm3
TCR:
+/-10
EMF μV/K:
-1
Thermal Conductivity W/(m·K):
35
Description
copper manganese Tin Alloy Resistance Alloy Manganin 29 CuMn7Sn Strip for Chip Resistors

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

 

MECHANICAL PROPERTIES

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

copper manganese Tin Alloy Resistance Alloy Manganin 29 CuMn7Sn Strip  for Chip Resistors 0

CuMn7Sn is a designation for a specific type of copper alloy, primarily consisting of copper, manganese, and tin. This alloy is known for its excellent mechanical properties and is often used in applications requiring good strength and wear resistance. Here are the key features and characteristics of CuMn7Sn:

Key Properties

  • Composition:

  • Mechanical Properties:

    • High tensile strength and hardness.
    • Good ductility, allowing for easy forming and machining.
  • Corrosion Resistance:

    • Moderate resistance to corrosion, making it suitable for various environments.
  • Wear Resistance:

    • Excellent wear resistance, which is advantageous in applications subject to friction.

Common Applications

  • Electrical Components: Used in connectors and terminals due to its good conductivity and strength.

  • Industrial Machinery: Suitable for gears, bearings, and other components requiring durability.

  • Automotive Parts: Employed in automotive applications where high wear resistance is needed.

Fabrication

CuMn7Sn can be processed through various methods, including:

  • Machining: Suitable for precision machining and shaping.
  • Welding: Can be welded using appropriate techniques for copper alloys.
  • Casting: Often used in casting processes for complex shapes.

 

 

copper manganese Tin Alloy Resistance Alloy Manganin 29 CuMn7Sn Strip  for Chip Resistors 1 

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