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Copper Alloy C62500-H04 vs C62500-M10

Copper Alloy · C62500 temper comparison

C62500-H04 and C62500-M10 are two conditions of the same copper alloy grade, C62500: H04 (full hard) versus M10 (as hot forged and air cooled). The chemistry is identical, so every difference below comes from the condition. C62500-H04 is the stronger of the two: yield strength 500 MPa (72.5 ksi) against 400 MPa (58 ksi) for C62500-M10, about 25% more; tensile strength follows at 800 MPa (116 ksi) vs 740 MPa (107 ksi). In exchange, C62500-M10 is the more ductile: elongation 3% versus 1.5% for C62500-H04, and C62500-H04 is harder (260 HB vs 230 HB). C62500-M10 runs hotter in service (300°C vs 250°C continuous).

C62500-H04Choose it when strength drives the design.

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

C62500-H04 vs C62500-M10: properties

C62500-H04C62500-M10

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

800 MPa116 ksi
740 MPa107 ksi

Yield Strength (0.2% offset)

500 MPa72.5 ksi
400 MPa58 ksi

Elongation at Break

1.5%
3%

Reduction in Area

3%
5%

Compressive Strength

960 MPa139 ksi
870 MPa126 ksi

Shear Strength

510 MPa74 ksi
470 MPa68.2 ksi

Fatigue Strength (Endurance Limit)

265 MPa38.4 ksi
240 MPa34.8 ksi

Charpy V-Notch Impact (RT)

4 J3 ft·lbf
6 J4.4 ft·lbf

Hardness, Brinell

260 HB
230 HB

Hardness, Rockwell B

100 HRB
98 HRB

Hardness, Rockwell C

25 HRC
21 HRC

Hardness, Vickers

272 HV
240 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.

Thermal Conductivity

41.5 W/m·K24 BTU/hr·ft·°F
41.9 W/m·K24.2 BTU/hr·ft·°F

Max Service Temperature (continuous)

250°C482 °F
300°C572 °F

Same in both: 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 · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

7.5 % IACS
8 % IACS

Electrical Resistivity

2.3×10⁻⁷ Ω·m9.06 µΩ·in
2.16×10⁻⁷ Ω·m8.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

70 / 100
72 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.27 V

Manufacturability

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

Machinability

20 / 100
22 / 100

Machinability Rating (AISI 1212 = 100 %)

18%
20%

Weldability

20 / 100
25 / 100

Formability (cold)

5 / 100
12 / 100

Same in both: 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-H04 vs C62500-M10 — frequently asked

Is C62500-H04 stronger than C62500-M10?

Yes. C62500-H04 has a typical yield strength of 500 MPa (72.5 ksi) against 400 MPa (58 ksi) for C62500-M10 — about 25% more. Tensile strength is 800 MPa (116 ksi) vs 740 MPa (107 ksi).

Which condition does FabDigit quote by default, H04 or M10?

M30 is the default C62500 condition in the FabDigit quote flow (neither H04 nor M10). 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.

Which welds better, C62500-H04 or C62500-M10?

C62500-M10. Its weldability rates poor (25/100) against poor (20/100) for C62500-H04.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C62500-H04 and C62500-M10 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.