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Copper Alloy C48500-H04 vs C48500-M10

Copper Alloy · C48500 temper comparison

C48500-H04 and C48500-M10 are two conditions of the same copper alloy grade, C48500: H04 (full hard) versus M10 (as hot forged and air cooled). The chemistry is identical, so every difference below comes from the condition. C48500-H04 is the stronger of the two: yield strength 390 MPa (56.6 ksi) against 175 MPa (25.4 ksi) for C48500-M10, about 123% more; tensile strength follows at 540 MPa (78.3 ksi) vs 400 MPa (58 ksi). In exchange, C48500-M10 is the more ductile: elongation 33% versus 13% for C48500-H04, and C48500-H04 is harder (150 HB vs 95 HB). C48500-M10 runs hotter in service (200°C vs 150°C continuous). On the shop floor, C48500-M10 welds better (30 vs 20 out of 100).

C48500-H04Choose it when strength drives the design.

C48500-M10Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

C48500-H04 vs C48500-M10: properties

C48500-H04C48500-M10

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Shear Modulus

38 GPa5.5 Msi
37 GPa5.4 Msi

Bulk Modulus

110 GPa16 Msi
105 GPa15.2 Msi

Tensile Strength (Ultimate)

540 MPa78.3 ksi
400 MPa58 ksi

Yield Strength (0.2% offset)

390 MPa56.6 ksi
175 MPa25.4 ksi

Elongation at Break

13%
33%

Shear Strength

320 MPa46.4 ksi
265 MPa38.4 ksi

Fatigue Strength (Endurance Limit)

150 MPa21.8 ksi
130 MPa18.9 ksi

Hardness, Brinell

150 HB
95 HB

Hardness, Rockwell B

83 HRB
50 HRB

Same in both: Elastic (Young's) Modulus 100 GPa14.5 Msi · Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Melting Point (Solidus)

875°C1,607 °F
886°C1,627 °F

Liquidus Temperature

885°C1,625 °F
899°C1,650 °F

Same in both: Density 8.41 g/cm³0.3 lb/in³

Thermal

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

Thermal Conductivity

114 W/m·K65.9 BTU/hr·ft·°F
116 W/m·K67 BTU/hr·ft·°F

Specific Heat Capacity

377 J/kg·K0.09 BTU/lb·°F
380 J/kg·K0.09 BTU/lb·°F

Max Service Temperature (continuous)

150°C302 °F
200°C392 °F

Same in both: Thermal Expansion (CTE, 20–100 °C) 21.2 µm/m·K11.8 µin/in·°F · Latent Heat of Fusion 170 J/g73.1 BTU/lb · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

25 % IACS
26 % IACS

Electrical Resistivity

6.9×10⁻⁸ Ω·m2.72 µΩ·in
6.6×10⁻⁸ Ω·m2.6 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.28 V
-0.3 V

Corrosion Resistance

50 / 100
62 / 100

Manufacturability

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

Machinability

82 / 100
88 / 100

Weldability

20 / 100
30 / 100

Formability (cold)

20 / 100
55 / 100

Brazeability / Solderability

85 / 100
75 / 100

Polishability

75 / 100
80 / 100

Same in both: Castability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

55 MJ/kg23,646 BTU/lb
58 MJ/kg24,936 BTU/lb

Embodied Water

250 L/kg30 gal/lb
260 L/kg31.2 gal/lb

Typical Recycled Content

65%
55%

Same in both: Embodied Carbon (primary production) 3.6 kg CO₂/kg

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 scaleC48500

C48500-H04 vs C48500-M10 — frequently asked

Is C48500-H04 stronger than C48500-M10?

Yes. C48500-H04 has a typical yield strength of 390 MPa (56.6 ksi) against 175 MPa (25.4 ksi) for C48500-M10 — about 123% more. Tensile strength is 540 MPa (78.3 ksi) vs 400 MPa (58 ksi).

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

H02 is the default C48500 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 is easier to machine, C48500-H04 or C48500-M10?

C48500-M10. Its machinability rates excellent (88/100) against very good (82/100) for C48500-H04; for welding the order is C48500-M10 first (poor, 30/100) then C48500-H04 (poor, 20/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C48500-H04 and C48500-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.