UNS No AS No Common Name BSI No ISO No JIS No Copper % Zinc % Lead % Others %
C21000
210
95/5 Gilding Metal
-
CuZn5
C2100
94.0-96.0
~ 5
<0.03
C22000
220
90/10 Gilding Metal
CZ101
CuZn10
C2200
89.0-91.0
~ 10
< 0.05
C23000
230
85/15 Gilding Metal
CZ102
CuZn15
C2300
84.0-86.0
~ 15
< 0.05
C24000
240
80/20 Gilding Metal
CZ103
CuZn20
C2400
78.5-81.5
~ 20
< 0.05
C26130
259
70/30 Arsenical Brass
CZ126
CuZn30As
~C4430
69.0-71.0
~ 30
< 0.07
Arsenic 0.02-0.06
C26000
260
70/30 Brass
CZ106
CuZn30
C2600
68.5-71.5
~ 30
< 0.05
C26800
268
Yellow Brass (65/35)
CZ107
CuZn33
C2680
64.0-68.5
~ 33
< 0.15
C27000
270
65/35 Wire Brass
CZ107
CuZn35
-
63.0-68.5
~ 35
< 0.10
C27200
272
63/37 Common Brass
CZ108
CuZn37
C2720
62.0-65.0
~ 37
< 0.07
C35600
356
Engraving Brass, 2% Lead
-
CuZn39Pb2
C3560
59.0-64.5
~ 39
2.0-3.0
C37000
370
Engraving Brass, 1% Lead
-
CuZn39Pb1
~C3710
59.0-62.0
~ 39
0.9-1.4
C38000
380
Section Brass
CZ121
CuZn43Pb3
-
55.0-60.0
~ 43
1.5-3.0
Aluminium 0.10-0.6
C38500
385
Free Cutting Brass
CZ121
CuZn39Pb3
-
56.0-60.0
~ 39
2.5-4.5
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