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Copper Alloy CC763S-GC vs CC763S-GS

Copper Alloy · CC763S temper comparison

CC763S-GC and CC763S-GS are two conditions of the same copper alloy grade, CC763S: GC (continuously cast) versus GS (sand cast). The chemistry is identical, so every difference below comes from the condition. CC763S-GC is the stronger of the two: yield strength 370 MPa (53.7 ksi) against 300 MPa (43.5 ksi) for CC763S-GS, about 23% more; tensile strength follows at 720 MPa (104 ksi) vs 640 MPa (92.8 ksi). In exchange, CC763S-GS is the more ductile: elongation 14% versus 12% for CC763S-GC, and CC763S-GC is harder (165 HB vs 150 HB).

CC763S-GCChoose it when strength drives the design.

CC763S-GSChoose it when the part is bent, formed or impact-loaded.

CC763S-GC vs CC763S-GS: properties

CC763S-GCCC763S-GS

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

104 GPa15.1 Msi
102 GPa14.8 Msi

Tensile Strength (Ultimate)

720 MPa104 ksi
640 MPa92.8 ksi

Yield Strength (0.2% offset)

370 MPa53.7 ksi
300 MPa43.5 ksi

Elongation at Break

12%
14%

Compressive Strength

450 MPa65.3 ksi
400 MPa58 ksi

Shear Strength

465 MPa67.4 ksi
420 MPa60.9 ksi

Fatigue Strength (Endurance Limit)

195 MPa28.3 ksi
180 MPa26.1 ksi

Charpy V-Notch Impact (RT)

22 J16.2 ft·lbf
20 J14.8 ft·lbf

Hardness, Brinell

165 HB
150 HB

Hardness, Rockwell B

85 HRB
80 HRB

Hardness, Vickers

173 HV
158 HV

Same in both: Shear Modulus 39 GPa5.7 Msi · Bulk Modulus 105 GPa15.2 Msi · Poisson's Ratio 0.34 · Reduction in Area 18%

Physical

Density and transition temperatures.

Same in both: Density 7.9 g/cm³0.29 lb/in³ · Melting Point (Solidus) 880°C1,616 °F · Liquidus Temperature 910°C1,670 °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 380 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 20.5 µm/m·K11.4 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 12 % IACS · Electrical Resistivity 1.45×10⁻⁷ Ω·m5.71 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

63 / 100
62 / 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.

Formability (cold)

18 / 100
20 / 100

Same in both: Machinability 40 / 100 · Machinability Rating (AISI 1212 = 100 %) 30% · Weldability 30 / 100 · Castability 80 / 100 · Brazeability / Solderability 55 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 48 MJ/kg20,636 BTU/lb · Embodied Carbon (primary production) 3.2 kg CO₂/kg · Embodied Water 300 L/kg35.9 gal/lb · Typical Recycled Content 70%

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 scaleCC763S

CC763S-GC vs CC763S-GS — frequently asked

Is CC763S-GC stronger than CC763S-GS?

Yes. CC763S-GC has a typical yield strength of 370 MPa (53.7 ksi) against 300 MPa (43.5 ksi) for CC763S-GS — about 23% more. Tensile strength is 720 MPa (104 ksi) vs 640 MPa (92.8 ksi).

Which condition does FabDigit quote by default, GC or GS?

GS is the default CC763S 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 CC763S-GC over CC763S-GS?

Pick CC763S-GC when strength drives the design. Pick CC763S-GS when the part is bent, formed or impact-loaded.

Ready to make it?

Upload a CAD file and FabDigit prices the part in CC763S-GC and CC763S-GS 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.