6912 FLB
6912 FLB Spec SheetFLB, Section brass, is a readily extrudable leaded alpha/beta brass with a small aluminium addition, which gives 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) | UTS Min (MPa) |
UTS Max (MPa) |
PS Min (MPa) |
Elongation Min (%) |
Hardness Min (HRB) |
Hardness Max (HRB) |
||
|---|---|---|---|---|---|---|---|---|
| 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 | |
|---|---|
| Density (English) | 0.303 lb/in3 |
| CTE, linear (English) | 14.4 ᶙin/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 | |
|---|---|
| Technique | Suitability |
| Machinability (CuZn39Pb3 = 100 %) | 95% |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Worked | Excellent |
Typical Uses
Architecture
