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70/30 brass tubes, composed of 70% copper and 30% zinc, are well-known for their excellent strength, corrosion resistance, and workability. This alloy offers a good balance of ductility and mechanical performance, making it ideal for a wide range of industrial and engineering applications.
Super Steel Manufacturing Co.,Ltd is professional copper pipes manufacturer, for more details, please contact:sales@super-steels.com
Key Features of 70/30 Brass Tubes UNS C26000
Excellent corrosion resistance, especially in freshwater and mildly acidic environments
High thermal and electrical conductivity, suitable for heat exchangers and condensers
Good formability and machinability, allowing for bending and flaring without cracking
Attractive golden finish, making it suitable for decorative uses as well
Common Applications of 70/30 Brass Tubes UNS C26000
Sugar Industry
Heat exchangers and condensers
Plumbing and sanitary fittings
Automotive and electrical components
Architectural and decorative elements
Handpumps
Ammunitions
Generalengineering
Technincal Specification of 70/30 Brass Tubes UNS C26000
Standard |
BS 2871 Part |
ASTM B-135 |
NFA 51 102 |
IS 407 |
JIS H3300 |
AS 1572 |
DIN 17671 |
IS 1545 |
Symbol |
CS 126 |
C 26000 |
CuZn 30 |
CuZn 30As |
C2600 |
259 |
CuZn 30 20265 |
CuZn 30 As |
Cu |
69.0 - 71.0 |
68.5 - 71.5 |
68.5 - 71.5 |
69.0 - 71.0 |
68.5 - 71.5 |
69.0 - 71.0 |
69.0 - 71.0 |
69.0 - 71.0 |
Sn |
- |
- |
- |
0.1 |
- |
- |
0.05 |
- |
Al |
- |
- |
- |
0.03 |
- |
- |
0.02 |
- |
Pb |
0.07 |
0.07 |
0.07 |
0.07 |
0.07 |
0.05 |
0.05 |
0.07 |
Ni |
- |
- |
- |
- |
- |
- |
0.2 |
- |
Fe |
0.06 |
0.05 |
0.06 |
0.06 |
0.05 |
0.05 |
0.05 |
0.06 |
Zn |
Remainder |
Remainder |
Remainder |
Remainder |
Remainder |
Remainder |
Remainder |
Remainder |
As |
0.02 - 0.06 |
- |
0.02 - 0.06 |
- |
- |
0.02 - 0.06 |
- |
0.02 - 0.06 |
Total Impurities Max. |
0.03 |
- |
0.03 |
0.03 |
- |
- |
0.1 |
0.3 |
Condition |
M |
H58 |
- |
O |
O |
O |
F28 |
O |
TA |
H80 |
- |
TA |
OH |
1/4H |
F35 |
TA |
|
O |
|
|
HD |
1/2H |
1/2H |
F42 |
HD |
|
Yeild |
|
|
|
180 Max |
340 Min |
- |
180 Max |
|
Strength |
- |
- |
- |
- |
- |
- |
200 Max |
- |
N/mm2 |
|
|
|
|
|
|
320 Max |
|
Tensile |
|
370 Min |
- |
285Mps / Min |
275 Min |
280 - 350 Min |
280 - 350 |
375 Max |
N/mm2 |
|
455 Min |
|
300Mps / Min |
275 Min |
- |
350 - 420 |
340 Min |
|
|
|
|
400Mps / Min |
373 Min |
320 Mps Min |
420 Min |
385 Min |
|
|
|
|
|
451 Min |
|
|
|
|
|
|
|
|
|
400 Mps Min |
|
|
Elongation |
- |
|
|
|
45 Min |
40 Min |
|
|
% |
- |
- |
- |
- |
45 Min |
35 Min |
- |
55 Min |
|
- |
|
|
|
20 Min |
|
|
|
Hardness HV 5 |
150 Min |
|
|
75 Max |
|
80 Max |
|
80 Max |
|
85 - 110 |
- |
80 - 105 |
80 - 110 |
- |
80 - 105 |
- |
80 - 105 |
|
75 Min |
|
|
135 Min |
|
95 - 103 |
|
130 Min |
|
|
|
|
|
|
150 Min |
|
|
Grain Size |
0.05 Max |
- |
010 - 045 |
- |
025 - 060 |
065 Max |
|
|
Mm (75X) |
|
- |
|
- |
035 Min |
035 Min |
|
|