6912 FHTB2
High Tensile Brass are alloys of Copper and Zinc. 6912 FHTB2 is a duplex or alpha/beta alloy. Brass alloy 6912 FHTB2 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 |
0.20 |
0.80 |
| Sn |
0.20 |
0.80 |
| Fe |
0.30 |
1.25 |
| Mn |
0.50 |
2.00 |
| Al |
0.30 |
2.00 |
| Total Others |
- |
0.50 |
| Zn |
Remainder |
Mechanical Properties According To 6912 FHTB2 (As Per Temper HB)
| Range (mm) |
From |
To |
UTS Min (MPa) |
UTS Max (MPa) |
PS Min (MPa) |
Elongation Min (%) |
Hardness Min |
Hardness Max |
| Round (Dia) |
1.5 |
75 |
460 |
- |
180 |
12 |
- |
- |
| Hex (A/F) |
3 |
70 |
460 |
- |
180 |
12 |
- |
- |
| Square (A/F) |
3 |
60 |
460 |
- |
180 |
12 |
- |
- |
| Rectangle |
Thickness |
3 |
50 |
460 |
- |
180 |
12 |
- |
- |
Physical Properties
| PHYSICAL PROPERTIES |
| Melting Point |
865° C |
| Density |
8.63g/cm3 |
| Electrical Conductivity |
0.09 x 10?? ?.m |
| Thermal Conductivity |
88.3W/m.K |
| Modulus of Elasticity |
96.5 GPa |
Fabrication Properties
| FABRICATION PROPERTIES |
| Technique |
Suitability |
| Capacity for being Cold formed |
Poor |
| Capacity for Being Hot Worked |
Good |
| Machinability Ration |
30% |
| Resistance to Corrosion |
Excellent |
| Suitability for Soldering |
Excellent |