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Copper Alloy C10200 vs C10300

Copper Alloy · grade comparison

Copper Alloy C10200 and C10300 are both copper alloy grades. Both yield at about 69 MPa — strength does not separate them. C10200 is harder — 45 HB against 42 HB for C10300 — which matters for wear surfaces and threads. C10300 runs hotter in service (300°C vs 250°C continuous). On the shop floor, C10300 welds better (excellent vs good).

C10200Choose it when surface hardness matters.

C10300Choose it when the part sees heat, or when it will be welded.

C10200 vs C10300: properties

C10200C10300

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

221 MPa32.1 ksi
230 MPa33.4 ksi

Hardness, Brinell

45 HB
42 HB

Charpy V-Notch Impact (RT)

—
70 J51.6 ft·lbf

Same in both: Elastic (Young's) Modulus 117 GPa17 Msi · Shear Modulus 44 GPa6.4 Msi · Bulk Modulus 140 GPa20.3 Msi · Poisson's Ratio 0.34 · Yield Strength (0.2% offset) 69 MPa10 ksi · Elongation at Break 45% · Reduction in Area 75% · Shear Strength 152 MPa22 ksi · Fatigue Strength (Endurance Limit) 76 MPa11 ksi · Hardness, Vickers 50 HV

Physical

Density and transition temperatures.

Same in both: Density 8.94 g/cm³0.32 lb/in³ · Melting Point (Solidus) 1,083°C1,981 °F · Liquidus Temperature 1,083°C1,981 °F

Thermal

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

Thermal Expansion (CTE, 20–100 °C)

16.9 µm/m·K9.4 µin/in·°F
17.6 µm/m·K9.8 µin/in·°F

Max Service Temperature (continuous)

250°C482 °F
300°C572 °F

Min Service Temperature

-253°C-423 °F
-269°C-452 °F

Same in both: Thermal Conductivity 391 W/m·K226 BTU/hr·ft·°F · Specific Heat Capacity 385 J/kg·K0.09 BTU/lb·°F · Latent Heat of Fusion 205 J/g88.1 BTU/lb

Electrical

Conductivity and insulation.

Electrical Resistivity

1.71×10⁻⁸ Ω·m0.672 µΩ·in
1.71×10⁻⁸ Ω·m0.673 µΩ·in

Same in both: Electrical Conductivity 101 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

70 / 100
65 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.25 V

Manufacturability

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

Machinability Rating (AISI 1212 = 100 %)

18%
20%

Weldability

65 / 100
85 / 100

Formability (cold)

98 / 100
95 / 100

Castability

35 / 100
45 / 100

Brazeability / Solderability

97 / 100
95 / 100

Same in both: Machinability 22 / 100 · Polishability 80 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

3.8 kg CO₂/kg
3.6 kg CO₂/kg

Embodied Water

300 L/kg35.9 gal/lb
250 L/kg30 gal/lb

Typical Recycled Content

20%
25%

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)

25 kN·m/kg
26 kN·m/kg

Same in both: Specific Stiffness (E / density) 13.1 MN·m/kg · Modulus of Resilience 20 kJ/m³ · Thermal Diffusivity 113.6 mm²/s · Thermal Shock Resistance Index 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 scaleC10200C10300

Manufacturing and finishing

CapabilityC10200C10300
CNC machiningYes—
Sheet metalYes—
Default conditionO—
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.

C10200 vs C10300 — frequently asked

What is the difference between C10200 and C10300?

Copper Alloy C10200 and C10300 are both copper alloy grades. Both yield at about 69 MPa — strength does not separate them. C10200 is harder — 45 HB against 42 HB for C10300 — which matters for wear surfaces and threads.

Which is cheaper, C10200 or C10300?

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 welds better, C10200 or C10300?

C10300. Its weldability rates excellent (85/100) against good (65/100) for C10200.

Ready to make it?

Upload a CAD file and FabDigit prices the part in C10200 and C10300 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.