A.2.1 Copper (Oxygen-Free High-Conductivity; OFHC)

PRODUCT

Type

Metal Alloy

Chemical Composition

99.95% Cu

Manufacturer

Thomas Bolton Copper Products

Bolton House, Froghall,

Stoke on Trent, ST10 2HF

Staffordshire, UK

Tel: + 44 (0)1538 757700

Fax: + 44 (0)1538 757701

Email:

www.thomasbolton.co.uk

EXPERIENCE & AVAILABILITY

Development Status

Commercial Product

Cost Range

Very Low

Lot Reproducibility

ASTM B152 OF, BS 2870 C103, AFNOR 53-100, DIN 1708

Space Experience

Good

GENERAL PROPERTIES (Physical, Mechanical, Thermal, Electrical, Optical)

Nature

Typical Value

Remarks

Specific Gravity

8.9

@ Room Temperature

Ultimate Tensile Strength

220 to 450 MPa

@ Room Temperature

Proof Stress (0.2%)

45 to 320 MPa

@ Room Temperature

Elongation at Break

5 to 50%

@ Room Temperature

Thermal Conductivity

394 W m -1 C -1

@ Room Temperature

Thermal Expansion Coefficient

17.7 x 10-6 C -1

@ Room Temperature

Electrical Resistivity

1.7 x 10-8 W m

@ Room Temperature

PROPERTIES RELEVANT TO SPACE USE

Nature

Typical Value

Type of Test

Corrosion

Copper corrodes if sulphur is present, forming the familiar green surface patina which inhibits further corrosion.

 

SPECIAL RECOMMENDATIONS

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