High Tensile Brass
High Tensile Brass are also know as Manganese Brass is alloyed with Aluminium and Manganese etc. which makes this alloy almost as hard as Aluminium Bronze, but considerably easier to process. It also has good corrosion, wear resistance and machinability.
Different Grades, Chemical Composition, Physical and Fabrication Properties of High Tensile Brass
| Product |
High Tensile Brass |
| SPECIFICATION |
IS 320 HT 1 |
IS 320 HT 2 UNS-C86500 |
BS 250 CZ 114 |
BS 1001 CZ 115 |
|
| Chemical Composition |
% |
% |
% |
% |
| Copper |
56.00 - 60.00 |
56.00 - 61.00 |
56.00 - 59.00 |
56.00 - 60.00 |
| Lead |
0.20 - 1.50 |
0.50 - 1.50 |
0.50 - 1.50 |
0.50 - 1.50 |
| Tin |
0.20 - 1.00 |
1.00 Max. |
0.20 - 1.00 |
0.60 - 1.10 |
| Iron |
0.20 - 1.25 |
0.20 - 1.50 |
0.50 - 1.20 |
0.50 - 1.20 |
| Manganese |
0.25 - 2.00 |
0.50 - 2.00 |
0.30 - 2.00 |
0.30 - 2.00 |
| Aluminium |
0.20 Max. |
0.30 - 2.00 |
1.50 Max. |
0.20 Max. |
| Zinc |
Balance |
Balance |
Balance |
Balance |
| Impurities |
0.50 Max. |
0.50 Max. |
0.50 Max. |
0.50 Max. |
|
| Physical Properties |
|
| Tensile (Kgs/mm2) |
47 Min. |
53 Min. |
52 Min. |
47 Min. |
| Elongation-5.65 √A |
12% Min. |
12% Min. |
12% Min. |
20% Min. |
| Izod (kgfm) |
- |
- |
- |
|
|
| Fabrication Properties |
|
| Cold Working |
Poor |
Fair |
Poor |
Fair |
| Hot Forming |
Good |
Good |
Good |
Good |
| Machinability |
30% |
30% |
30% |
30% |
| Soldering |
Excellent |
Fair |
Fair |
Excellent |
| Brazing |
- |
- |
- |
- |
| Forging |
- |
- |
- |
- |
| Welding |
- |
- |
- |
- |
| Bending / Revetting |
- |
- |
- |
- |
High Tensile Brass Rods is used in the automotive and hydraulic industries in forms of products such as Bearings for high load, slide-& wear-plates, valve guides, piston parts etc.
