1.1 This specification establishes the requirements for brass plate, sheet, strip, and rolled bar of the following alloys:

Copper Alloy UNS No.	Previous Trade Name	Nominal Composition
Copper Alloy UNS No.	Previous Trade Name	Copper, %	Zinc, %

C21000	Gilding, 95 %	95	5
C22000	Commerical Bronze, 90 %	90	10
C22600	Jewerly Bronze, 87¹/₂ %	87.5	12.5
C23000	Red Brass, 85 %	85	15
C24000	Low Brass, 80 %	80	20
C26000	Cartridge Brass, 70 %	70	30
C26800	Yellow Brass, 66 %	66	34
C27200	…	63	37
C28000	Muntz Metal, 60 %	60	40

1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from two systems may results in nonconformance with the standard.