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Copper Alloy C89320-M06 vs C89320-M07

Copper Alloy · C89320 temper comparison

C89320-M06 and C89320-M07 are two conditions of the same copper alloy grade, C89320: M06 (as investment cast) versus M07 (as continuous cast). The chemistry is identical, so every difference below comes from the condition. C89320-M07 is the stronger of the two: yield strength 152 MPa (22 ksi) against 138 MPa (20 ksi) for C89320-M06, about 10% more; tensile strength follows at 276 MPa (40 ksi) vs 262 MPa (38 ksi). In exchange, C89320-M06 is the more ductile: elongation 14% versus 12% for C89320-M07, and C89320-M07 is harder (70 HB vs 66 HB).

C89320-M06Choose it when the part is bent, formed or impact-loaded.

C89320-M07Choose it when strength drives the design.

C89320-M06 vs C89320-M07: properties

C89320-M06C89320-M07

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

262 MPa38 ksi
276 MPa40 ksi

Yield Strength (0.2% offset)

138 MPa20 ksi
152 MPa22 ksi

Elongation at Break

14%
12%

Reduction in Area

17%
15%

Shear Strength

185 MPa26.8 ksi
195 MPa28.3 ksi

Fatigue Strength (Endurance Limit)

97 MPa14.1 ksi
100 MPa14.5 ksi

Charpy V-Notch Impact (RT)

13 J9.6 ft·lbf
12 J8.9 ft·lbf

Hardness, Brinell

66 HB
70 HB

Hardness, Rockwell B

31 HRB
35 HRB

Hardness, Vickers

69 HV
73 HV

Same in both: Elastic (Young's) Modulus 100 GPa14.5 Msi · Shear Modulus 37 GPa5.4 Msi · Bulk Modulus 104 GPa15.1 Msi · Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Same in both: Density 8.6 g/cm³0.31 lb/in³ · Melting Point (Solidus) 854°C1,569 °F · Liquidus Temperature 1,000°C1,832 °F

Thermal

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

Same in both: Thermal Conductivity 60 W/m·K34.7 BTU/hr·ft·°F · Specific Heat Capacity 377 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 18.4 µm/m·K10.2 µin/in·°F · Latent Heat of Fusion 170 J/g73.1 BTU/lb · Max Service Temperature (continuous) 200°C392 °F · Min Service Temperature -100°C-148 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 12 % IACS · Electrical Resistivity 1.44×10⁻⁷ Ω·m5.67 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) -0.25 V

Manufacturability

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

Machinability

80 / 100
82 / 100

Machinability Rating (AISI 1212 = 100 %)

80%
82%

Formability (cold)

14 / 100
12 / 100

Same in both: Weldability 30 / 100 · Castability 85 / 100 · Brazeability / Solderability 55 / 100 · Polishability 60 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 55 MJ/kg23,646 BTU/lb · Embodied Carbon (primary production) 3.6 kg CO₂/kg · Embodied Water 250 L/kg30 gal/lb · Typical Recycled Content 55%

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 scaleC89320

C89320-M06 vs C89320-M07 — frequently asked

Is C89320-M07 stronger than C89320-M06?

Yes. C89320-M07 has a typical yield strength of 152 MPa (22 ksi) against 138 MPa (20 ksi) for C89320-M06 — about 10% more. Tensile strength is 276 MPa (40 ksi) vs 262 MPa (38 ksi).

Which condition does FabDigit quote by default, M06 or M07?

M01 is the default C89320 condition in the FabDigit quote flow (neither M06 nor M07). 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 C89320-M06 over C89320-M07?

Pick C89320-M06 when the part is bent, formed or impact-loaded. Pick C89320-M07 when strength drives the design.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C89320-M06 and C89320-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.