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Copper Alloy C14500 vs C19100

Copper Alloy · grade comparison

Copper Alloy C14500 and C19100 are both copper alloy grades. C19100 is the stronger of the two: yield strength 400 MPa (58 ksi) against 275 MPa (39.9 ksi) for C14500, about 45% more; tensile strength follows at 470 MPa (68.2 ksi) vs 310 MPa (45 ksi). In exchange, C14500 is the more ductile: elongation 18% versus 15% for C19100, and C19100 is harder (140 HB vs 85 HB). C19100 runs hotter in service (300°C vs 200°C continuous) and C14500 conducts heat better (350 W/m·K vs 180 W/m·K).

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

C19100Choose it when strength drives the design, or when the part sees heat.

C14500 vs C19100: properties

C14500C19100

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

117 GPa17 Msi
121 GPa17.5 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
470 MPa68.2 ksi

Yield Strength (0.2% offset)

275 MPa39.9 ksi
400 MPa58 ksi

Elongation at Break

18%
15%

Shear Strength

195 MPa28.3 ksi
275 MPa39.9 ksi

Fatigue Strength (Endurance Limit)

95 MPa13.8 ksi
165 MPa23.9 ksi

Hardness, Brinell

85 HB
140 HB

Hardness, Rockwell B

40 HRB
75 HRB

Reduction in Area

—
45%

Charpy V-Notch Impact (RT)

—
30 J22.1 ft·lbf

Same in both: Poisson's Ratio 0.34

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,051°C1,924 °F
1,035°C1,895 °F

Liquidus Temperature

1,065°C1,949 °F
1,075°C1,967 °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

Specific Heat Capacity

385 J/kg·K0.09 BTU/lb·°F
377 J/kg·K0.09 BTU/lb·°F

Max Service Temperature (continuous)

200°C392 °F
300°C572 °F

Min Service Temperature

-200°C-328 °F
-196°C-321 °F

Same in both: 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

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).

Corrosion Resistance

65 / 100
62 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.2 V

Manufacturability

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

Machinability

85 / 100
82 / 100

Brazeability / Solderability

90 / 100
70 / 100

Machinability Rating (AISI 1212 = 100 %)

—
80%

Same in both: Weldability 25 / 100 · Formability (cold) 40 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

3.6 kg CO₂/kg
3.8 kg CO₂/kg

Embodied Water

260 L/kg31.2 gal/lb
220 L/kg26.4 gal/lb

Typical Recycled Content

35%
30%

Same in both: Embodied Energy (primary production) 57 MJ/kg24,506 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

35 kN·m/kg
53 kN·m/kg

Specific Stiffness (E / density)

13.1 MN·m/kg
13.7 MN·m/kg

Modulus of Resilience

323 kJ/m³
661 kJ/m³

Thermal Diffusivity

101.7 mm²/s
53.9 mm²/s

Thermal Shock Resistance Index

53
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 scaleC14500C19100

Manufacturing and finishing

CapabilityC14500C19100
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 C19100 — frequently asked

Is C19100 stronger than C14500?

Yes. C19100 has a typical yield strength of 400 MPa (58 ksi) against 275 MPa (39.9 ksi) for C14500 — about 45% more. Tensile strength is 470 MPa (68.2 ksi) vs 310 MPa (45 ksi).

Which is cheaper, C14500 or C19100?

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.

When should I choose C14500 over C19100?

Pick C14500 when the part is bent, formed or impact-loaded. Pick C19100 when strength drives the design, or when the part sees heat.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C14500 and C19100 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.