| Identification | Back Directory | [Name]
COPPER BERYLLIUM | [CAS]
11108-64-8 | [Synonyms]
COPPER BERYLLIUM
BERYLLIUM/COPPER
Beryllium bronze
Copper Beryllium rod, alloy C17200, 6.35mm (0.25in) dia
Copper Beryllium rod, alloy C17200, 12.7mm (0.50in) dia
Copper Beryllium rod, alloy C17200 3.18mm (0.125in) dia
Copper Beryllium rod, alloy C17200, 4.76mm (0.188in) dia
Copper Beryllium rod, alloy C17200, 2.38mm (0.094in) dia
Copper Beryllium rod, alloy C17200, 9.525mm (0.375in) dia
Copper Beryllium foil, Alloy C172, 0.13mm (0.005 in.) thick, Temper: half hard | [Molecular Formula]
BeCu | [MDL Number]
MFCD01320550 | [MOL File]
11108-64-8.mol | [Molecular Weight]
72.56 |
| Chemical Properties | Back Directory | [form ]
Rod | [Exposure limits]
ACGIH: TWA 0.2 mg/m3; TWA 1 mg/m3
OSHA: TWA 0.1 mg/m3; TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3; TWA 0.1 mg/m3 |
| Hazard Information | Back Directory | [Uses]
Beryllium copper is not really a compound, but a very useful alloy that often contains other
metals such as cobalt or nickel in small amounts. It is a hard, strong alloy with excellent electrical
conductivity, which makes it very useful in electrical switching equipment owing to its
nonsparking qualities. It makes excellent spot-welding electrodes, springs, and metal bushings,
cams, and diaphragms. | [Definition]
Any of a group of copper-tin alloys
usually containing 0.5–10% of tin.
They are generally harder, stronger in compression,
and more corrosion resistant
than brass. Zinc is often added, as in gunmetal
(2–4% zinc), to increase strength
and corrosion-resistance; bronze coins
often contain more zinc (2.5%) than tin
(0.5%). The presence of lead improves its
machining qualities.
Some copper-rich alloys containing no
tin are also called bronzes. Aluminum
bronzes, for example, with up to 10% aluminum,
are strong, resistant to corrosion
and wear, and can be worked cold or hot;
silicon bronzes, with 1–5% silicon, have
high corrosion-resistance; beryllium
bronzes, with about 2% beryllium, are
very hard and strong. |
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