M2 (M2)
M2 (М2) Copper – High Conductivity Copper Alloy by Russian Metals
INTRODUCTION OF M2
M2 copper (М2) is a high-conductivity copper alloy known for excellent electrical and thermal performance, low impurity levels, and outstanding machinability. At Russian Metals, we are a trusted M2 Copper supplier, offering premium M2 Copper alloy in multiple forms — including wire, pipe, sheet, rod, and round bar — to meet demanding industrial and engineering needs.
| Grade : | M2 ( М2 ) |
| Classification : | Copper |
Chemical composition in % for grade M2 ( М2 )
| Fe | Ni | S | As | Pb | O | Sb | Bi | Sn | - |
|---|---|---|---|---|---|---|---|---|---|
| max 0.05 | max 0.2 | max 0.01 | max 0.01 | max 0.01 | max 0.07 | max 0.005 | max 0.002 | max 0.05 | Cu+Ag min 99.7 |
Physical & Thermal Properties
| Property | Value |
|---|---|
| Density (ρ) | 8.94 g/cm³ |
| Thermal conductivity (λ) | ~387 W/m·K at 20°C |
| Electrical resistivity (R) | ~17.8 nΩ·m |
| Young’s modulus (E) | 132 GPa |
| Melting temperature | 1083°C |
| Casting temperature | 1150–1250°C |
| Linear shrinkage | 2.1% |
These values make M2 copper ideal for electrical systems, aerospace engineering, and precision components.
Equivalent Grades of M2 Copper
| Standard / Country | Equivalent Grade |
|---|---|
| USA | C12500 |
| Japan (JIS) | C1821 |
| Poland (PN) | Cu99,7G |
| Czechia (CSN) | 423004 |
| Austria (ONORM) | Cu-C |
These equivalents make M2 copper easy to source and cross-reference in global engineering standards.
Mechanical Properties (at 20°C)
| Product Type | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Brinell Hardness (HB) |
|---|---|---|---|---|
| Pipe (GOST 617-2006) | 180–190 | – | 32 | – |
| Soft cold-rolled sheet (GOST 1173-2006) | 200–260 | – | 42 | ~55 |
| Hard cold-rolled sheet (GOST 1173-2006) | 290 | – | 6 | ~95 |
Friction coefficient (with oil): 0.011
Friction coefficient (dry): 0.43
Technological properties of the material M2 ( М2 ) .
| Melting temperature : | 1083 °C |
| Casting temperature : | 1150 - 1250 °C |
| Linear shrinkage : | 2.1 % |
Applications of M2 Copper
- Electrical industry: bus bars, transformers, switchgear, wiring
- Aerospace: high-precision connectors & cooling systems
- Industrial equipment: heat exchangers, furnace components, mechanical parts
- Medical technology: radiation shielding, diagnostic equipment
- Marine engineering: corrosion-resistant parts for offshore & shipbuilding
Why Choose Russian Metals for M2 Copper?
- Trusted M2 Copper supplier with global delivery
- Ready stock of Premium M2 Copper alloy in multiple sizes & grades
- High-quality machining, custom cutting & finishing services
- Strict compliance with GOST & international standards
Order Premium M2 Copper Alloy Today
At Russian Metals, we offer M2 copper in a wide range of forms with assured quality and fast shipping. Our technical experts help you choose the right M2 Copper alloy for your industry-specific needs.
Physical properties for grade M2 ( М2 )
| T | E 10- 5 | α 10⁶ | λ | ρ | C | R × 10⁹ |
|---|---|---|---|---|---|---|
| Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
| 20 100 | 1.32 1.28 | 16.7 | 387 | 8940 | 390 | 17.8 |
Applications of M2 Copper
- Electrical industry: bus bars, transformers, switchgear, wiring
- Aerospace: high-precision connectors & cooling systems
- Industrial equipment: heat exchangers, furnace components, mechanical parts
- Medical technology: radiation shielding, diagnostic equipment
- Marine engineering: corrosion-resistant parts for offshore & shipbuilding
Types of delivery of grade M1 ( М1 )
- B51 - Non-ferrous metals, including rare metals, and their alloys
- B53 - Sheets and Strips
- В54 - Ribbons
- B55 - Bars
- B64 - Pipes of non-ferrous metals and alloys
- B78 - Other wire products
Specification
Mechanical properties :
σB - Tensile strength [MPa]
σT - Yield stress [MPa]
δ5 - Specific elongation at fracture [%]
ψ - Reduction of area [%]
KCU - Impact strength [kJ/m²]
HB - Brinell hardness [MPa]
Physical properties :
T - Test temperature [Grade]
E - Young modulus [MPa]
α - Coefficient of linear expansion (20° - T) [1/Grade]
λ - Thermal (heat) condition coefficient [Watt/(m·Grade)]
ρ - Density [kg/m³]
C - Specific heat (range 20° - T) [J/(kg·Grade)]
R - Electrical resistance [Ohm·m]
Order Premium M2 Copper Alloy Today
At Russian Metals, we offer M2 copper in a wide range of forms with assured quality and fast shipping. Our technical experts help you choose the right M2 Copper alloy for your industry-specific needs.