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Copper Alloy C95820-M01 vs C95820-M02

Copper Alloy · C95820 temper comparison

C95820-M01 and C95820-M02 are two conditions of the same copper alloy grade, C95820: M01 (as sand cast) versus M02 (as centrifugally cast). The chemistry is identical, so every difference below comes from the condition. C95820-M02 is the stronger of the two: yield strength 330 MPa (47.9 ksi) against 310 MPa (45 ksi) for C95820-M01, about 6% more. In exchange, C95820-M01 is the more ductile: elongation 20% versus 18% for C95820-M02, and C95820-M02 is harder (200 HB vs 190 HB).

C95820-M01Choose it when the part is bent, formed or impact-loaded.

C95820-M02Choose it when strength drives the design.

C95820-M01 vs C95820-M02: properties

C95820-M01C95820-M02

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

670 MPa97.2 ksi
700 MPa102 ksi

Yield Strength (0.2% offset)

310 MPa45 ksi
330 MPa47.9 ksi

Elongation at Break

20%
18%

Reduction in Area

22%
20%

Compressive Strength

800 MPa116 ksi
825 MPa120 ksi

Shear Strength

410 MPa59.5 ksi
425 MPa61.6 ksi

Fatigue Strength (Endurance Limit)

220 MPa31.9 ksi
230 MPa33.4 ksi

Fracture Toughness (K_IC)

45 MPa·√m41 ksi·√in
47 MPa·√m42.8 ksi·√in

Charpy V-Notch Impact (RT)

35 J25.8 ft·lbf
32 J23.6 ft·lbf

Hardness, Brinell

190 HB
200 HB

Hardness, Rockwell B

90 HRB
93 HRB

Hardness, Vickers

200 HV
211 HV

Same in both: Elastic (Young's) Modulus 117 GPa17 Msi · Shear Modulus 44 GPa6.4 Msi · Bulk Modulus 110 GPa16 Msi · Poisson's Ratio 0.32

Physical

Density and transition temperatures.

Same in both: Density 7.58 g/cm³0.27 lb/in³ · Melting Point (Solidus) 1,040°C1,904 °F · Liquidus Temperature 1,060°C1,940 °F

Thermal

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

Same in both: Thermal Conductivity 42 W/m·K24.3 BTU/hr·ft·°F · Specific Heat Capacity 419 J/kg·K0.1 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 16.2 µm/m·K9 µin/in·°F · Latent Heat of Fusion 220 J/g94.6 BTU/lb · Max Service Temperature (continuous) 300°C572 °F · Min Service Temperature -100°C-148 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 7 % IACS · Electrical Resistivity 2.5×10⁻⁷ Ω·m9.84 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

82 / 100
84 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.23 V

Manufacturability

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

Same in both: Machinability 30 / 100 · Machinability Rating (AISI 1212 = 100 %) 35% · Weldability 70 / 100 · Formability (cold) 20 / 100 · Castability 70 / 100 · Brazeability / Solderability 35 / 100 · Polishability 65 / 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 240 L/kg28.8 gal/lb · Typical Recycled Content 40%

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 scaleC95820

C95820-M01 vs C95820-M02 — frequently asked

Is C95820-M02 stronger than C95820-M01?

Yes. C95820-M02 has a typical yield strength of 330 MPa (47.9 ksi) against 310 MPa (45 ksi) for C95820-M01 — about 6% more. Tensile strength is 700 MPa (102 ksi) vs 670 MPa (97.2 ksi).

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

M01 is the default C95820 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 C95820-M01 over C95820-M02?

Pick C95820-M01 when the part is bent, formed or impact-loaded. Pick C95820-M02 when strength drives the design.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C95820-M01 and C95820-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.