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Copper Alloy C14500 vs C19800

Copper Alloy · grade comparison

Copper Alloy C14500 and C19800 are both copper alloy grades. C19800 is the stronger of the two: yield strength 495 MPa (71.8 ksi) against 275 MPa (39.9 ksi) for C14500, about 80% more; tensile strength follows at 520 MPa (75.4 ksi) vs 310 MPa (45 ksi). In exchange, C14500 is the more ductile: elongation 18% versus 4% for C19800, and C19800 is harder (82 HRB vs 40 HRB). C14500 runs hotter in service (200°C vs 150°C continuous) and C14500 conducts heat better (350 W/m·K vs 180 W/m·K). On the shop floor, C14500 machines more easily (excellent vs poor) and C19800 welds better (fair vs poor).

C14500Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

C19800Choose it when strength drives the design, or when it will be welded.

C14500 vs C19800: properties

C14500C19800

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

117 GPa17 Msi
120 GPa17.4 Msi

Shear Modulus

44 GPa6.4 Msi
45 GPa6.5 Msi

Bulk Modulus

140 GPa20.3 Msi
135 GPa19.6 Msi

Tensile Strength (Ultimate)

310 MPa45 ksi
520 MPa75.4 ksi

Yield Strength (0.2% offset)

275 MPa39.9 ksi
495 MPa71.8 ksi

Elongation at Break

18%
4%

Shear Strength

195 MPa28.3 ksi
330 MPa47.9 ksi

Fatigue Strength (Endurance Limit)

95 MPa13.8 ksi
200 MPa29 ksi

Hardness, Brinell

85 HB
—

Hardness, Rockwell B

40 HRB
82 HRB

Hardness, Vickers

—
165 HV

Same in both: Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Density

8.94 g/cm³0.32 lb/in³
8.89 g/cm³0.32 lb/in³

Melting Point (Solidus)

1,051°C1,924 °F
1,020°C1,868 °F

Liquidus Temperature

1,065°C1,949 °F
1,055°C1,931 °F

Thermal

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

Thermal Conductivity

350 W/m·K202 BTU/hr·ft·°F
180 W/m·K104 BTU/hr·ft·°F

Max Service Temperature (continuous)

200°C392 °F
150°C302 °F

Same in both: Specific Heat Capacity 385 J/kg·K0.09 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 17.6 µm/m·K9.8 µin/in·°F · Latent Heat of Fusion 205 J/g88.1 BTU/lb · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

92 % IACS
45 % IACS

Electrical Resistivity

1.87×10⁻⁸ Ω·m0.736 µΩ·in
3.83×10⁻⁸ Ω·m1.51 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.2 V
-0.25 V

Same in both: Corrosion Resistance 65 / 100

Manufacturability

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

Machinability

85 / 100
22 / 100

Weldability

25 / 100
45 / 100

Formability (cold)

40 / 100
45 / 100

Brazeability / Solderability

90 / 100
85 / 100

Machinability Rating (AISI 1212 = 100 %)

—
20%

Same in both: Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

57 MJ/kg24,506 BTU/lb
58 MJ/kg24,936 BTU/lb

Embodied Carbon (primary production)

3.6 kg CO₂/kg
3.8 kg CO₂/kg

Same in both: Embodied Water 260 L/kg31.2 gal/lb · Typical Recycled Content 35%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

35 kN·m/kg
58 kN·m/kg

Specific Stiffness (E / density)

13.1 MN·m/kg
13.5 MN·m/kg

Modulus of Resilience

323 kJ/m³
1,021 kJ/m³

Thermal Diffusivity

101.7 mm²/s
52.6 mm²/s

Thermal Shock Resistance Index

53
44

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 scaleC14500C19800

Manufacturing and finishing

CapabilityC14500C19800
CNC machiningYes—
Sheet metalYes—
Default conditionH02—
Relative cost$$$$ High$$$$ High
Min. machined wall0.8 mm—
Best machined surfaceRa 1.6 µm—
Chrome PlatingYes—
ElectropolishingYes—
Nickel PlatingYes—
PaintingYes—
Tin PlatingYes—

They share 4 finishes: Copper Plating, Electroless Nickel (EN), Gold Plating, Silver Plating.

C14500 vs C19800 — frequently asked

Is C19800 stronger than C14500?

Yes. C19800 has a typical yield strength of 495 MPa (71.8 ksi) against 275 MPa (39.9 ksi) for C14500 — about 80% more. Tensile strength is 520 MPa (75.4 ksi) vs 310 MPa (45 ksi).

Which is cheaper, C14500 or C19800?

Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, C14500 or C19800?

C14500. Its machinability rates excellent (85/100) against poor (22/100) for C19800; for welding the order is C19800 first (fair, 45/100) then C14500 (poor, 25/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in C14500 and C19800 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.