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ARCAP® AP4 H15 – CuNi44Mn0.8 Copper-Nickel-Manganese Alloy with Superior Corrosion Resistance

Connectivity and free-machining alloy.


AP4 is a Copper-Nickel-Manganese special alloy with excellent corrosion resistance. It is less machinable than other ARCAP references, it has equivalent machinability to Chrome-Nickel-Molybdenum steels.

Properties

General

PropertyTemperatureValue

Density

23.0 °C

8.9 g/cm³

Dimension

PropertyValue

Dimensions

Available size round products (mm): 1-35

Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

165 GPa

Elongation

23.0 °C

1 %

Hardness, Brinell

23.0 °C

180 - 208 [-]

Hardness, Rockwell C

23.0 °C

10 - 17 [-]

Hardness, Vickers

23.0 °C

180 - 210 [-]

Tensile strength

23.0 °C

800 - 850 MPa

Yield strength

23.0 °C

670 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.72E-5 1/K

for 20-200°C

Thermal conductivity

23.0 °C

22.5 W/(m·K)

for 20-200°C

Electrical

PropertyTemperatureValue

Electrical conductivity

23.0 °C

2.00E+6 S/m

Magnetic

PropertyTemperatureValue

Relative magnetic permeability

23.0 °C

1 [-]

Technological properties

Property
Application areas

Summary of typical applications: Mechanical parts in very demanding environments

Corrosion properties

Corrosion resistance rating: 5 out of 5

General machinability

Machinability: 40 %

Processing history

Condition: H15


Metal

  1. ASTM B316 Grade 2117 H15 Aluminum Alloy – Key Properties & Applications
  2. AA 3103 H15 Aluminium Alloy – Key Properties & Performance
  3. AA 5049 H15 Aluminum Alloy – Mechanical & Physical Properties
  4. AA Standards Grade 2117 H15: Key Mechanical Properties & Specifications
  5. EN 573-3 AW-3003 H15 – Premium Aluminum Alloy for Corrosion Resistance
  6. EN 573-3 Grade AW-3103 H15 – Food‑Safe, High‑Strength AlMn Alloy
  7. EN 573-3 Grade 3.3527 H15: Key Properties & Standards
  8. ARCAP® AP4 O – Copper‑Nickel‑Manganese Alloy (CuNi44Mn0.8) – Superior Corrosion Resistance & Connectivity
  9. ARCAP® AP4 H11: High-Performance Copper–Nickel–Manganese Alloy for Superior Corrosion Resistance
  10. ARCAP® AP4 H12 – Advanced CuNi44Mn0.8 Alloy for Superior Corrosion Resistance