Type and composition

Condition

Tensile MN/m2

Product

Use

Pure copper
99.95%Cu

O

220

Sheet, strip wire

High conductivity electrical
applications

H

350

98.85%cu

O

220

All wrought forms

Chemical plant. Deep drawn,
spun articles

H

360

99.25%cu +0.5%As

O

220

All wrought forms

Retains strength at high temperatures. Heat exchangers,
steam pipes

H

360

Brasses
9O%Cu, 10%Zn-gilding metal

O

280

Sheet, strip and wire

Imitation jewellery, decorative
work

H

510

7o%cU, 30%Zn-Cartridge brass

O

325

Sheet, strip

High ductility for deep drawing

H

700

65%Cu, 35%Zn- standard brass

O

340

Sheet, strip and extrusions

General cold working alloy

H

700

60%Cu, 40%Zn- Muntz metal

M

375

Hot rolled plate and extrusions

Condenser and heat exchanger plates

59%Cu, 35%Zn, 2%Mn,
2%A1, 2%Fe

M

600

Cast and hot worked forms

Ships screws, rudders

58%Cu, 39%Zn, 3%Pb
free cutting

M

440

Extrusions

High speed machine parts

Bronzes
95.5%Cu, 3%Sn, 1.5Zn

O

325

Strip

Coinage

H

725

5.5%Sn, O.l%Zn, Cu

O

360

Sheet, strip and wire

Springs, steam turbine blades

H

700

10%Sn, 0.03-0.25P, Cu-
phosphor bronze

M

280

Castings

Bushes, bearings and springs

10%Sn, O.S%P, Cu

M

280

Castings

General-purpose castings and bearings

10%Sn, 2%Zn, Cu-Admiralty gunmetal

M

300

Castings

Pressure-tight castings, pump,valve bodies

Aluminium bronze
95?'ocU, 5%AI

O

400

Strip and tubing

Imitation jewellery, condenser
tubes

H

770

10Y0A1, 2.5%Fe, 2-5%Ni, Cu

M

700

Hot worked and cast products

High-strength castings and
forgings

Cupronickel 75%cu, 25%Ni

O

360

Strip

British 'silver' coinage

H

600

70%Cu, 30%Ni

O

375

Sheet and tubing

Condenser tubes, good corrosion
resistance

H

650

29%cu, 68%Ni, 1.25%Fe,1.25%Mn

O

550

All forms

Chemical plant, good corrosion
resistance

H

725

Nickel-silver
55%Cu, 27%Zn, l8%Ni

O

375

Sheet and strip

Decorative use and cutlery

H

650

Ber y llium-copper
1.75-2.5%Be, 0.5% co, c u

WP

1300

Sheet, strip, wire, forgings

Non-spark tools, springs

0 =annealed, M =as manufactured, H =fully work hardened, WP=solution heat treated and precipitation hardened.

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