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Copper CNC Machining Service

Get high-quality copper CNC machining services with advanced machinery and an experienced team that ensures precision and efficiency. Exceptional results that meet your specifications, whether you need prototypes or large-scale production runs.

 
Collection of polished CNC machined copper parts: flanged blocks, a mounting plate, threaded fittings and turned shafts

Copper in CNC Machining

Copper is an excellent material for CNC machining when a part needs high electrical conductivity, efficient heat transfer, and reliable corrosion resistance. Its combination of ductility and performance makes it suitable for electrical, electronics, automotive, construction, and industrial applications.

Alloys availableCopper C101(T2), C103(T1), C103(TU2), C110(TU0), Beryllium Copper
PrixFlexible / Cost-Effective ($$)
Délai d'exécutionMoins de 10 jours
Epaisseur de la paroi0,75 mm
Tolérances±0,125 mm (±0,005 pouce)
Taille maximale des pièces200 x 80 x 100 cm
Polished CNC machined copper flanged bushing with a stepped cylindrical body and four bolt holes in its round flange

Copper CNC Machining Materials

Copper C101 (T2)

Copper C101 is an oxygen-free copper grade known for excellent electrical and thermal conductivity. It also offers good ductility and corrosion resistance, making it suitable for electrical contacts, heat-transfer parts, and precision conductive components.

Limite d'élasticité (MPa)
100–400
Fatigue Strength (MPa)
80–150
Allongement à la rupture (%)
15–60
Dureté (Brinell)
60–100
Density (g/cm³)
8.94

Copper C103 (T1)

Copper C103 provides high electrical conductivity with good formability and reliable machining performance. It is commonly used for connectors, terminals, electronic components, and applications that require efficient current flow.

Limite d'élasticité (MPa)
100–380
Fatigue Strength (MPa)
70–140
Allongement à la rupture (%)
5–45
Dureté (Brinell)
55–90
Density (g/cm³)
8.89–8.94

Copper C103 (TU2)

Copper C103 TU2 combines strong thermal conductivity with good weldability and ductility. These properties make it a practical choice for heat exchangers, electrical connectors, busbars, and custom CNC machined components.

Limite d'élasticité (MPa)
110–370
Fatigue Strength (MPa)
75–150
Allongement à la rupture (%)
5–50
Dureté (Brinell)
60–95
Density (g/cm³)
8.89–8.94

Copper C110 (TU0)

Copper C110, also called electrolytic tough pitch copper, offers excellent electrical conductivity and good machinability. It is widely used for electrical parts, wiring components, terminals, conductive fittings, and industrial applications.

Limite d'élasticité (MPa)
110–350
Fatigue Strength (MPa)
70–100
Allongement à la rupture (%)
20–50
Dureté (Brinell)
65–90
Density (g/cm³)
8.89

Advantages and Limitations of Copper CNC Machining Service

Copper performs well in precision machining because of its conductivity, corrosion resistance, and formability. However, some copper grades can be more difficult and costly to machine.

Avantages
  • Excellent Electrical Conductivity:
    Copper carries electrical current efficiently, making it ideal for terminals, connectors, busbars, and electronic components.
  • High Thermal Conductivity:
    It transfers heat quickly, which makes it suitable for heat sinks, cooling components, and thermal management parts.
  • Good Corrosion Resistance:
    Copper performs reliably in many environments and can provide a long service life.
  • High Ductility:
    The material can be formed and machined into detailed shapes without cracking easily.
  • Suitable for Precision Components:
    Copper can be machined into accurate parts for electrical, automotive, industrial, and electronic applications.
  • Long-Term Performance:
    Its combination of conductivity and corrosion resistance makes it suitable for parts that need dependable performance over time.
Limites
  • Soft Material:
    Copper can deform if machining parameters are not properly controlled.
  • Can Stick to Cutting Tools:
    Some copper grades may adhere to cutting tools, which can affect surface finish and machining efficiency.
  • Higher Machining Cost:
    Copper material and machining costs can be higher than those of some common metals.
  • Dilatation thermique :
    Copper expands when exposed to heat, so temperature control is important when tight tolerances are required.
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Tolérances d'usinage CNC

Nos machines à commande numérique fonctionnent avec des tolérances de précision conformes aux normes de l'industrie, ce qui garantit que chaque pièce est toujours précise et qu'elle s'adapte parfaitement aux autres composants.

Type de caractéristiqueTolérance typique
Tolérance dimensionnelle générale±0,025 mm (±0,001″)
Tolérance de haute précision±0,005 mm (±0,0002 pouces)
Diamètre du trou (percé)±0,05 mm (±0,002 pouces)
Diamètre du trou (alésé/alésé)±0,01 mm (±0,0004 pouces)
Diamètre de l'arbre (tourné)±0,01 mm (±0,0004 pouces)
Planéité0,02 mm par 100 mm
Parallélisme±0,02 mm
Perpendicularité±0,02 mm
Rugosité de la surface (Ra)1,6–3,2 μm (63–125 μin)
Tolérance de position±0,01 mm à ±0,02 mm
Tolérance de filetage (coupe)6H / 6g (ISO) ou Classe 2A/2B (ANSI)
Taille minimale de l'objet0,5 mm (0,020 pouce)
Répétabilité±0,005 mm (±0,0002 pouces)

Copper CNC Machining FAQs

Yes. Our steel CNC machining service can produce both small precision components and larger industrial parts. We select the right machining process based on the part size, geometry, tolerance, and production requirements.

We can machine steel parts to tight tolerances based on the design, steel grade, and part complexity. For demanding applications, we can also support precision features that require consistent dimensional accuracy.

Steel can cost more to machine than aluminum because it is harder and may require slower cutting speeds and greater tool wear. However, the final cost depends on the steel grade, part geometry, tolerances, quantity, and surface finish requirements.