HABA Alu28 is an annealed, naturally hard rolled plate with a precisely milled surface. The plates have an excellent parallelism, are easy to machine and dimensionally stable. HABA Alu28 is well suited for machining. Threads are produced favourably with thread moulders.
Thickness | precisely milled Ra0.8 (N6) |
Tolerance | +/-0.1 mm |
protective film | on both sides |
cardboard | one-sided |
Parallelism | ≤0.1 mm |
Evenness | ≤0.2 mm |
Length/width | Ra3.2-6.3 cut with a precision circular saw, cut edges deburred |
HABA standard tolerance | nominal size +0.8/+0.3 mm |
Customer-specific tolerance | within a tolerance field of 0.4 mm |
We also produce other thicknesses and tolerances on request.
Tensile strength Rm | 255-350 (N/mm2) |
Yield strength Rp0.2 | ≥105 (N/mm2) / typical values 140-200 (N/mm2) |
Breaking strain (Lo = 5 do) A5 | ≥12 % / typical values 17-22 % |
Brinell hardness (HBS) | ≥70 |
Density | 2.66 kg/dm3 |
E-module | ~70.000 N/mm2 |
Thermal conductivity coefficient | 110-140 (W/mK) |
Thermal expansion coefficient | 24.2 x 10-6/K |
Electrical conductivity | 16-19 m/Ω mm2 |
State | H111 (soft) |