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Copper Alloy C62500-M10 vs C62500-M30

Copper Alloy · C62500 temper comparison

C62500-M10 and C62500-M30 are two conditions of the same copper alloy grade, C62500: M10 (as hot forged and air cooled) versus M30 (as hot extruded). The chemistry is identical, so every difference below comes from the condition. Both yield at about 400 MPa — the mechanical properties are the same, and the difference is in how the stock is processed and what it is certified to (as hot forged and air cooled versus as hot extruded). C62500-M10 is the more ductile: elongation 3% versus 2% for C62500-M30.

C62500-M10Choose it when the part is bent, formed or impact-loaded.

C62500-M10 vs C62500-M30: properties

C62500-M10C62500-M30

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

740 MPa107 ksi
760 MPa110 ksi

Yield Strength (0.2% offset)

400 MPa58 ksi
415 MPa60.2 ksi

Elongation at Break

3%
2%

Reduction in Area

5%
4%

Compressive Strength

870 MPa126 ksi
900 MPa131 ksi

Shear Strength

470 MPa68.2 ksi
480 MPa69.6 ksi

Fatigue Strength (Endurance Limit)

240 MPa34.8 ksi
250 MPa36.3 ksi

Charpy V-Notch Impact (RT)

6 J4.4 ft·lbf
5 J3.7 ft·lbf

Hardness, Brinell

230 HB
240 HB

Hardness, Rockwell B

98 HRB
99 HRB

Hardness, Rockwell C

21 HRC
22 HRC

Hardness, Vickers

240 HV
250 HV

Same in both: Elastic (Young's) Modulus 114 GPa16.5 Msi · Shear Modulus 43 GPa6.2 Msi · Bulk Modulus 105 GPa15.2 Msi · Poisson's Ratio 0.32

Physical

Density and transition temperatures.

Same in both: Density 7.16 g/cm³0.26 lb/in³ · Melting Point (Solidus) 1,035°C1,895 °F · Liquidus Temperature 1,050°C1,922 °F

Thermal

How each material carries heat and how hot it can run.

Same in both: Thermal Conductivity 41.9 W/m·K24.2 BTU/hr·ft·°F · Specific Heat Capacity 375 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 16.2 µm/m·K9 µin/in·°F · Latent Heat of Fusion 210 J/g90.3 BTU/lb · Max Service Temperature (continuous) 300°C572 °F · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 8 % IACS · Electrical Resistivity 2.16×10⁻⁷ Ω·m8.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.27 V · Corrosion Resistance 72 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Formability (cold)

12 / 100
10 / 100

Same in both: Machinability 22 / 100 · Machinability Rating (AISI 1212 = 100 %) 20% · Weldability 25 / 100 · Castability 60 / 100 · Brazeability / Solderability 25 / 100 · Polishability 75 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 62 MJ/kg26,655 BTU/lb · Embodied Carbon (primary production) 3.9 kg CO₂/kg · Embodied Water 300 L/kg35.9 gal/lb · Typical Recycled Content 35%

Strength versus weight

Yield strength against density for every copper alloy grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

501002005001,0007.588.599.5Density (g/cm³)Yield strength (MPa) — log scaleC62500

C62500-M10 vs C62500-M30 — frequently asked

What is the difference between C62500-M10 and C62500-M30?

C62500-M10 and C62500-M30 are two conditions of the same copper alloy grade, C62500: M10 (as hot forged and air cooled) versus M30 (as hot extruded). The chemistry is identical, so every difference below comes from the condition. Both yield at about 400 MPa — the mechanical properties are the same, and the difference is in how the stock is processed and what it is certified to (as hot forged and air cooled versus as hot extruded).

Which condition does FabDigit quote by default, M10 or M30?

M30 is the default C62500 condition in the FabDigit quote flow. The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.

When should I choose C62500-M10 over C62500-M30?

Pick C62500-M10 when the part is bent, formed or impact-loaded.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C62500-M10 and C62500-M30 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.