6912 FLB
FLB, Section brass, is a readily extrudable leaded alpha/beta brass with a small aluminium addition, which Wgives a bright golden colour. The lead gives free cutting properties. FLB is available as extruded rods and flats which are typically used in builders’ hardware.
Chemical Composition
| Elements |
Min (%) |
Max (%) |
| Cu |
56.50 |
60.00 |
| Pb |
0.60 |
2.00 |
| Fe |
- |
0.30 |
| Total Others |
- |
0.75 |
| Zn |
Remainder |
Mechanical Properties According To 6912 FLB (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 |
310 |
- |
- |
25 |
- |
- |
| Hex (A/F) |
3 |
70 |
310 |
- |
- |
25 |
- |
- |
| Square (A/F) |
3 |
60 |
310 |
- |
- |
25 |
- |
- |
| Rectangle |
Thickness |
3 |
50 |
310 |
- |
- |
25 |
- |
- |
Physical Properties
| PHYSICAL PROPERTIES |
| Density (English) |
0.303 lb/in3 |
| CTE, linear (English) |
14.4 ?in/in-?F |
| Specific Heat Capacity (English) |
0.0908 BTU/lb-?F |
| Thermal Conductivity (English) |
784 BTU-in/hr-ft²-?F |
| Melting Point (English) |
1620 – 1650 ?F |
| Solidus (English) |
1620 ?F |
| Liquidus (English) |
1650?F |
Fabrication Properties
| FABRICATION PROPERTIES |
| Technique |
Suitability |
| Machinability (CuZn39Pb3 = 100 %) |
95% |
| Capacity for Being Cold Worked |
Poor |
| Capacity for Being Hot Worked |
Excellent |
