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Copper Alloy C81100-M01 vs C81100-M07

Copper Alloy · C81100 temper comparison

C81100-M01 and C81100-M07 are two conditions of the same copper alloy grade, C81100: M01 (as sand cast) versus M07 (as continuous cast). The chemistry is identical, so every difference below comes from the condition. C81100-M07 is the stronger of the two: yield strength 76 MPa (11 ksi) against 62 MPa (8.99 ksi) for C81100-M01, about 23% more; tensile strength follows at 195 MPa (28.3 ksi) vs 172 MPa (24.9 ksi). In exchange, C81100-M01 is the more ductile: elongation 40% versus 35% for C81100-M07, and C81100-M07 is harder (50 HB vs 44 HB).

C81100-M01Choose it when the part is bent, formed or impact-loaded.

C81100-M07Choose it when strength drives the design.

C81100-M01 vs C81100-M07: properties

C81100-M01C81100-M07

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

115 GPa16.7 Msi
117 GPa17 Msi

Tensile Strength (Ultimate)

172 MPa24.9 ksi
195 MPa28.3 ksi

Yield Strength (0.2% offset)

62 MPa9 ksi
76 MPa11 ksi

Elongation at Break

40%
35%

Reduction in Area

38%
32%

Shear Strength

125 MPa18.1 ksi
140 MPa20.3 ksi

Fatigue Strength (Endurance Limit)

62 MPa9 ksi
70 MPa10.2 ksi

Charpy V-Notch Impact (RT)

60 J44.3 ft·lbf
55 J40.6 ft·lbf

Hardness, Brinell

44 HB
50 HB

Hardness, Rockwell B

10 HRB
16 HRB

Hardness, Vickers

48 HV
55 HV

Same in both: Shear Modulus 43 GPa6.2 Msi · Bulk Modulus 138 GPa20 Msi · Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Same in both: Density 8.89 g/cm³0.32 lb/in³ · Melting Point (Solidus) 1,065°C1,949 °F · Liquidus Temperature 1,083°C1,981 °F

Thermal

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

Thermal Conductivity

346 W/m·K200 BTU/hr·ft·°F
350 W/m·K202 BTU/hr·ft·°F

Same in both: Specific Heat Capacity 385 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 17.7 µm/m·K9.8 µin/in·°F · Latent Heat of Fusion 205 J/g88.1 BTU/lb · Max Service Temperature (continuous) 250°C482 °F · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

92 % IACS
93 % IACS

Electrical Resistivity

1.87×10⁻⁸ Ω·m0.736 µΩ·in
1.85×10⁻⁸ Ω·m0.728 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.36 V · Corrosion Resistance 68 / 100

Manufacturability

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

Machinability

22 / 100
26 / 100

Machinability Rating (AISI 1212 = 100 %)

20%
25%

Formability (cold)

55 / 100
50 / 100

Same in both: Weldability 45 / 100 · Castability 38 / 100 · Brazeability / Solderability 92 / 100 · Polishability 78 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 57 MJ/kg24,506 BTU/lb · Embodied Carbon (primary production) 3.8 kg CO₂/kg · Embodied Water 280 L/kg33.6 gal/lb · Typical Recycled Content 45%

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 scaleC81100

C81100-M01 vs C81100-M07 — frequently asked

Is C81100-M07 stronger than C81100-M01?

Yes. C81100-M07 has a typical yield strength of 76 MPa (11 ksi) against 62 MPa (8.99 ksi) for C81100-M01 — about 23% more. Tensile strength is 195 MPa (28.3 ksi) vs 172 MPa (24.9 ksi).

Which condition does FabDigit quote by default, M01 or M07?

M01 is the default C81100 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 C81100-M01 over C81100-M07?

Pick C81100-M01 when the part is bent, formed or impact-loaded. Pick C81100-M07 when strength drives the design.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C81100-M01 and C81100-M07 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.