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Copper Alloy C63000-H04 vs C63000-M10

Copper Alloy · C63000 temper comparison

C63000-H04 and C63000-M10 are two conditions of the same copper alloy grade, C63000: H04 (full hard) versus M10 (as hot forged and air cooled). The chemistry is identical, so every difference below comes from the condition. C63000-H04 is the stronger of the two: yield strength 550 MPa (79.8 ksi) against 380 MPa (55.1 ksi) for C63000-M10, about 45% more; tensile strength follows at 830 MPa (120 ksi) vs 690 MPa (100 ksi). In exchange, C63000-M10 is the more ductile: elongation 13% versus 10% for C63000-H04, and C63000-H04 is harder (220 HB vs 197 HB). C63000-M10 runs hotter in service (300°C vs 250°C continuous).

C63000-H04Choose it when strength drives the design.

C63000-M10Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

C63000-H04 vs C63000-M10: properties

C63000-H04C63000-M10

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Bulk Modulus

108 GPa15.7 Msi
110 GPa16 Msi

Tensile Strength (Ultimate)

830 MPa120 ksi
690 MPa100 ksi

Yield Strength (0.2% offset)

550 MPa79.8 ksi
380 MPa55.1 ksi

Elongation at Break

10%
13%

Reduction in Area

18%
20%

Shear Strength

480 MPa69.6 ksi
420 MPa60.9 ksi

Fatigue Strength (Endurance Limit)

270 MPa39.2 ksi
250 MPa36.3 ksi

Fracture Toughness (K_IC)

40 MPa·√m36.4 ksi·√in
45 MPa·√m41 ksi·√in

Charpy V-Notch Impact (RT)

18 J13.3 ft·lbf
24 J17.7 ft·lbf

Hardness, Brinell

220 HB
197 HB

Hardness, Rockwell B

97 HRB
93 HRB

Same in both: Elastic (Young's) Modulus 117 GPa17 Msi · Shear Modulus 44 GPa6.4 Msi · Poisson's Ratio 0.32

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,043°C1,909 °F
1,040°C1,904 °F

Same in both: Density 7.58 g/cm³0.27 lb/in³ · Liquidus Temperature 1,054°C1,929 °F

Thermal

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

Thermal Conductivity

37 W/m·K21.4 BTU/hr·ft·°F
39 W/m·K22.5 BTU/hr·ft·°F

Specific Heat Capacity

419 J/kg·K0.1 BTU/lb·°F
375 J/kg·K0.09 BTU/lb·°F

Max Service Temperature (continuous)

250°C482 °F
300°C572 °F

Same in both: 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

6.5 % IACS
7 % IACS

Electrical Resistivity

2.65×10⁻⁷ Ω·m10.4 µΩ·in
2.46×10⁻⁷ Ω·m9.69 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.28 V
-0.25 V

Corrosion Resistance

76 / 100
78 / 100

Manufacturability

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

Machinability

32 / 100
30 / 100

Machinability Rating (AISI 1212 = 100 %)

32%
30%

Weldability

60 / 100
65 / 100

Formability (cold)

15 / 100
30 / 100

Brazeability / Solderability

35 / 100
30 / 100

Same in both: Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

62 MJ/kg26,655 BTU/lb
58 MJ/kg24,936 BTU/lb

Embodied Carbon (primary production)

3.9 kg CO₂/kg
3.8 kg CO₂/kg

Embodied Water

250 L/kg30 gal/lb
300 L/kg35.9 gal/lb

Typical Recycled Content

30%
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 scaleC63000

C63000-H04 vs C63000-M10 — frequently asked

Is C63000-H04 stronger than C63000-M10?

Yes. C63000-H04 has a typical yield strength of 550 MPa (79.8 ksi) against 380 MPa (55.1 ksi) for C63000-M10 — about 45% more. Tensile strength is 830 MPa (120 ksi) vs 690 MPa (100 ksi).

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

HR50 is the default C63000 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, C63000-H04 or C63000-M10?

C63000-M10. Its weldability rates good (65/100) against good (60/100) for C63000-H04.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C63000-H04 and C63000-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.