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Chemical Compostion of Brass Alloy
| Material Designation |
Corresponding Material Symbol |
| GB/T8890 |
ASTM B111 |
BS2871 |
JIS H3300 |
DIN 1785 |
| Copper-Nickel |
BFe10-1-1 |
C70600 Pipe |
CN102 |
C7060 |
CuNi10Fe1Mn |
| BFe30-1-1 |
C71500 Pipe |
CN107 |
C7150 |
CuNi30Mn1Fe |
| (BFe30-2-2) |
C71640 |
CN108 |
C7164 |
CuNi30Fe2Mn2 |
| (BFe5-1.5-0.5) |
C70400 |
– |
– |
– |
| B7 |
– |
– |
– |
– |
| Aluminium Brass |
HAL77-2 |
C68700 Tube |
CZ110 |
C6870 |
CuZn20Al2 |
| Admiralty Brass |
HSn70-1 |
C44300 Tube |
CZ111 |
C4430 |
CuZn28Sn1 |
| Boric Brass |
Hsn70-18 |
– |
– |
– |
– |
| HSn70-1 AB |
– |
– |
– |
– |
| Arsenical Brass |
H68A |
– |
CZ126 |
– |
– |
| Brass Tubes |
H65/H63 |
C28000/C27200 |
CZ108 |
C2800/C2700 |
CuZn36/CuZn37 |
The composition of different types of brass alloys are outlined in the following table:
| UNS No |
AS No |
Common Name |
BSI No |
ISO No |
JIS No |
Copper % |
Zinc % |
Led % |
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 ^M |
| 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 |
Chemical Composition of Monel
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