320 HT 2
320 HT 2 Spec SheetHigh Tensile Brass are alloys of Copper and Zinc. HT2 is a duplex or alpha/beta alloy. Brass alloy HT2 is a versatile high strength, hot workable, machinable engineering alloy sometimes referred to as a Manganese Bronze or High Tensile Brass.
Chemical Composition
| Elements | Min (%) | Max (%) |
|---|---|---|
| Cu | 56.00 | 61.00 |
| Pb | 0.50 | 1.50 |
| Sn | – | 1.00 |
| Fe | 0.20 | 1.50 |
| Al | 0.30 | 2.00 |
| Mn | 0.50 | 2.00 |
| Total Others | – | 0.50 |
| Zn | Remainder | |
Mechanical properties according to IS320 HT2 (as per temper HBSR)
| Range (mm) | UTS Min (MPa) |
UTS Max (MPa) |
PS Min (MPa) |
Elongation Min (%) |
Hardness Min (HRB) |
Hardness Max (HRB) |
||
|---|---|---|---|---|---|---|---|---|
| Round (Dia) | 10 | 40 | 520 | – | – | 12 | – | – |
| 40 | 75 | 500 | – | – | 15 | – | – | |
| Hex (A/F) | 40 | 70 | 500 | – | – | 15 | – | – |
| Square (A/F) | 40 | 60 | 500 | – | – | 15 | – | – |
| Rectangle Thickness | 10 | 40 | 520 | – | – | 12 | – | – |
| 40 | 50 | 500 | – | – | 15 | – | – | |
| PHYSICAL PROPERTIES | |
|---|---|
| Melting Point | 865°C |
| Density | 8.63 g/cm³ |
| Electrical Conductivity | 0.09 x 10⁻⁶ Ω.m |
| Thermal Conductivity | 88.3 W/m.K |
| Modulus of Elasticity | 96.5 GPa |
| FABRICATION PROPERTIES | |
|---|---|
| Technique | Suitability |
| Capacity for Being Cold Formed | Poor |
| Capacity for Being Hot Worked | Good |
| Machinability Rating | 30% |
| Resistance to Corrosion | Excellent |
| Suitability for Soldering | Excellent |
Typical Uses
Gas valves and fittings
Fasteners
Pump trim
Gears
Locks
Heavy-duty electrical connectors
Transmission components
Marine Hardware
