Made in a variety of widths, gauges and tempers - for stamping, deep drawing, forming, spinning and spring applications. Precise control of grain structure means economy in fabrication, with excellent finish and quality.
Phosphor Bronzes - Excellent for spring contacts, for electronic and mechanical devices, diaphragms, instruments. Good fatigue and wear resistance.

Extra Spring Temper #10 Hard
Specifications:
CDA 521 ASTM B103 UNS 52100
Nominal Composition:
Copper 92% Tin 8% Phosphorus 8%