Grade A (5%) Phosphorus Bronze Alloy

UNS C51000

ASTM B 103

Additional specifications by request

Application

Bellows, spring devices, terminals and connectors for electrical apparatus.

Chemical Composition (Nominal %)

4.1 - 5.8 Sn, 0.03 - 0.35 P, 0.10 Fe max, 0.30 Zn max, Balance Cu

Physical Characteristics

Density

.320 lb/in³

Tempers

*KSI = 1000 psi
Rockwell 30T Tensile KSI*
soft 43,000 - 58,000
½ hard 53 - 73
hard 71 - 78
extra hard 74 - 81
spring 76 - 82
extra spring 77 - 83

Sheet/Coil Sizes

Thickness

.005" - 0.125"

Width

8.00" max

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