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Copper Alloy C86700-M01 vs C86700-M02

Copper Alloy · C86700 temper comparison

C86700-M01 and C86700-M02 are two conditions of the same copper alloy grade, C86700: M01 (as sand cast) versus M02 (as centrifugally cast). The chemistry is identical, so every difference below comes from the condition. C86700-M02 is the stronger of the two: yield strength 340 MPa (49.3 ksi) against 310 MPa (45 ksi) for C86700-M01, about 10% more; tensile strength follows at 660 MPa (95.7 ksi) vs 620 MPa (89.9 ksi). C86700-M02 is harder — 180 HB against 170 HB for C86700-M01 — which matters for wear surfaces and threads.

C86700-M02Choose it when strength drives the design, or when surface hardness matters.

C86700-M01 vs C86700-M02: properties

C86700-M01C86700-M02

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

620 MPa89.9 ksi
660 MPa95.7 ksi

Yield Strength (0.2% offset)

310 MPa45 ksi
340 MPa49.3 ksi

Reduction in Area

20%
22%

Compressive Strength

380 MPa55.1 ksi
400 MPa58 ksi

Shear Strength

380 MPa55.1 ksi
400 MPa58 ksi

Fatigue Strength (Endurance Limit)

170 MPa24.7 ksi
185 MPa26.8 ksi

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
22 J16.2 ft·lbf

Hardness, Brinell

170 HB
180 HB

Hardness, Rockwell B

88 HRB
90 HRB

Hardness, Vickers

178 HV
189 HV

Same in both: Elastic (Young's) Modulus 103 GPa14.9 Msi · Shear Modulus 39 GPa5.7 Msi · Bulk Modulus 110 GPa16 Msi · Poisson's Ratio 0.34 · Elongation at Break 18%

Physical

Density and transition temperatures.

Same in both: Density 8.3 g/cm³0.3 lb/in³ · Melting Point (Solidus) 862°C1,584 °F · Liquidus Temperature 880°C1,616 °F

Thermal

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

Same in both: Thermal Conductivity 36 W/m·K20.8 BTU/hr·ft·°F · Specific Heat Capacity 377 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 20.3 µm/m·K11.3 µin/in·°F · Latent Heat of Fusion 175 J/g75.2 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 11 % IACS · Electrical Resistivity 1.57×10⁻⁷ Ω·m6.18 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

52 / 100
53 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.28 V

Manufacturability

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

Same in both: Machinability 60 / 100 · Machinability Rating (AISI 1212 = 100 %) 60% · Weldability 25 / 100 · Formability (cold) 15 / 100 · Castability 85 / 100 · Brazeability / Solderability 40 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 45 MJ/kg19,347 BTU/lb · Embodied Carbon (primary production) 3.4 kg CO₂/kg · Embodied Water 320 L/kg38.3 gal/lb · Typical Recycled Content 75%

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 scaleC86700

C86700-M01 vs C86700-M02 — frequently asked

Is C86700-M02 stronger than C86700-M01?

Yes. C86700-M02 has a typical yield strength of 340 MPa (49.3 ksi) against 310 MPa (45 ksi) for C86700-M01 — about 10% more. Tensile strength is 660 MPa (95.7 ksi) vs 620 MPa (89.9 ksi).

Which condition does FabDigit quote by default, M01 or M02?

M01 is the default C86700 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 C86700-M01 over C86700-M02?

Pick C86700-M02 when strength drives the design, or when surface hardness matters.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C86700-M01 and C86700-M02 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.