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Sulphur Copper

At S & D Non-Ferrous, we stock Sulphur Copper in Grade CW114C, a free machining copper with an approximately 80% machinability rating.

Adding sulphur to copper produces a ‘free machining copper’ as the sulphur acts as a chip breaker, making it far easier to machine than pure copper and only having a minor effect on the conductivity of the metal.

Machining speeds can reach up to 4 times faster than those of pure copper and greater tooling life span is also seen when using sulphur copper over pure copper.

Sulphur Copper is a versatile metal as it combines the high thermal and electrical conductivity values that are usually only seen in pure copper, however the ease of machining from the sulphur, allowing it to be used in a greater number of circumstances. Other qualities of CW114C are easy solder ability and decent levels of corrosion resistance.

Our CW114C sulphur copper is readily available in a number of formations, including sulphur copper plate or sulphur copper bar in a range of shapes. Our team will be happy to discuss these with you in further details if you are unsure of the exact product you need.

We source all of our sulphur copper from UK and European suppliers to ensure our customers only receive high-quality stock that meets and exceeds industry standards. To discover more about our range of sulphur copper, please do not hesitate to contact a member of our knowledgeable S & D team today on 0121 525 5500. 

Sulphur Copper Profiles we Stock

Flat Bar
Hexagon Bar
Hollow Bar
Round Bar
Round Bar
Square Bar
Square Bar

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Uses of Sulphur Copper:

  • Electrical Contacts
  • Electrical Connectors
  • Cable Glands
  • Transformers
  • Circuit Breaker Terminals

Industries That Use Sulphur Copper:

  • Electronics
  • Engineering
  • Automotive
  • Aviation

Sulphur Copper Weight Table

Copper

Rem

Sulphur

0.2–0.7%

Phosphorus

0.003-0.012%

Total Imps

0.1% max

C111

CW114C

CuSP

C14700

Melting Point

1079°C

Density

8.94 g/cm³

Specific heat

385 J/Kg °K

Thermal conductivity

347 W/m°K

Thermal expansion coefficient (20-200°C)

17 x 10-6per °C

Electrical conductivity

93% IACS

Electrical resistivity

0.0181 microhm m

Modulus of elasticity

12500 Kg/mm²

Hot Working Temperature Range

750-870°C

Hot Formability

Good

Cold Formability

Good

Cold reduction between anneals

70% max.

Machinability rating (free cutting brass = 100)

80

Soldering

Excellent

Brazing

Good

Oxy-acetylene welding

Not Recommended

Gas-shielded arc welding

Not Recommended

Resistance welding: Spot and Seam Not Recommended
Butt Fair

Enquire About Sulphur Copper Today

To discuss your requirements call S&D Non-Ferrous Stockholders today on 0121 525 5500

Quality Assured

Quality Assured

Why Choose Us?

  • Established for over 30 years
  • Extensive stock range of copper, brass and bronze
  • Same day / next day delivery on stock products
  • No job too big or too small
  • We tailor to your requirements
  • Able to source even unusual requirements

S&D Non-Ferrous Stockholders Ltd

Roebuck Street

West Bromwich

West Midlands

B70 6RB

Tel: 0121 525 5500

Fax: 0121 525 3803

Email: sales@sdnonferrous.co.uk

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