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APPENDIX B

Typical Hardness of Beryllium Copper Billet and Forged Products - Table 11
FORM ALLOY HEAT TREATMENT TEMPER ROCKWELL HARDNESS
CAST BILLET 25 Annealing - One hour per inch or fraction of an inch of cross section at 1450 ± 25F followed by immediate water quench.
Aging - 3 hrs. at 625 ± 25F.		 C
CT
A
AT		 B80-85
C20-25
B65-75
C36-42
165 C
CT
A
AT		 B80-85
C18-25
B65-75
C30-38
3 & 10 Annealing - One hour per inch or fraction of an inch of cross section at 1675 ± 25F followed by immediate water quench.
Aging - 3 hrs. at 900 ± 25F.		 C
CT
A
AT		 B50-60
B65-75
B35-45
B92-100
FORGED PRODUCTS 25 3 hrs. at 625 ± 25F A
AT		 B45-85
C36-41
165 A
AT		 B45-85
C32-39
3 & 10 3 hrs. at 900 ± 25F A
AT		 B20-50
B92-100


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Busby Metals, Inc. is a stocking distributor of brass, bronze, copper, beryllium copper & aluminum bus conductors. Inventory includes rod, bar, sheet, strip, plate, tube, pipe, wire, castings & forgings. specialty alloys available from stock include: aluminum, naval, tobin, commercial, manganese, phosphor & silicon bronzes; beryllium, tellurium, leaded, zirconium, chromium, ETP & oxygen free coppers; free cutting brass; nickel silver; copper nickel. International specifications. Custom shapes. Metric sizes. Metal processing performed. Accredited ISO 9000 and MIL-I-45208A quality system. Chemical & physical test reports available. Technical support provided.