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Copper Alloy C92800-M01 vs C92800-M03

Copper Alloy · C92800 temper comparison

C92800-M01 and C92800-M03 are two conditions of the same copper alloy grade, C92800: M01 (as sand cast) versus M03 (as chill cast). The chemistry is identical, so every difference below comes from the condition. C92800-M03 is the stronger of the two: yield strength 200 MPa (29 ksi) against 179 MPa (26 ksi) for C92800-M01, about 12% more; tensile strength follows at 300 MPa (43.5 ksi) vs 276 MPa (40 ksi). C92800-M03 is harder — 95 HB against 85 HB for C92800-M01 — which matters for wear surfaces and threads.

C92800-M03Choose it when strength drives the design, or when surface hardness matters.

C92800-M01 vs C92800-M03: properties

C92800-M01C92800-M03

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

276 MPa40 ksi
300 MPa43.5 ksi

Yield Strength (0.2% offset)

179 MPa26 ksi
200 MPa29 ksi

Compressive Strength

550 MPa79.8 ksi
600 MPa87 ksi

Shear Strength

205 MPa29.7 ksi
220 MPa31.9 ksi

Fatigue Strength (Endurance Limit)

90 MPa13.1 ksi
100 MPa14.5 ksi

Charpy V-Notch Impact (RT)

3 J2.2 ft·lbf
4 J3 ft·lbf

Hardness, Brinell

85 HB
95 HB

Hardness, Rockwell B

45 HRB
55 HRB

Hardness, Vickers

89 HV
100 HV

Same in both: Elastic (Young's) Modulus 103 GPa14.9 Msi · Shear Modulus 39 GPa5.7 Msi · Bulk Modulus 103 GPa14.9 Msi · Poisson's Ratio 0.34 · Elongation at Break 1% · Reduction in Area 1%

Physical

Density and transition temperatures.

Same in both: Density 8.8 g/cm³0.32 lb/in³ · Melting Point (Solidus) 830°C1,526 °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 47 W/m·K27.2 BTU/hr·ft·°F · Specific Heat Capacity 377 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 18 µm/m·K10 µin/in·°F · Latent Heat of Fusion 170 J/g73.1 BTU/lb · Max Service Temperature (continuous) 230°C446 °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

60 / 100
62 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.31 V

Manufacturability

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

Same in both: Machinability 70 / 100 · Machinability Rating (AISI 1212 = 100 %) 70% · Weldability 10 / 100 · Formability (cold) 5 / 100 · Castability 75 / 100 · Brazeability / Solderability 70 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 62 MJ/kg26,655 BTU/lb · Embodied Carbon (primary production) 4.5 kg CO₂/kg · Embodied Water 320 L/kg38.3 gal/lb · Typical Recycled Content 50%

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 scaleC92800

C92800-M01 vs C92800-M03 — frequently asked

Is C92800-M03 stronger than C92800-M01?

Yes. C92800-M03 has a typical yield strength of 200 MPa (29 ksi) against 179 MPa (26 ksi) for C92800-M01 — about 12% more. Tensile strength is 300 MPa (43.5 ksi) vs 276 MPa (40 ksi).

Which condition does FabDigit quote by default, M01 or M03?

M01 is the default C92800 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 C92800-M01 over C92800-M03?

Pick C92800-M03 when strength drives the design, or when surface hardness matters.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C92800-M01 and C92800-M03 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.