Aluminum rail AD0, AD31
Compressed busbars for electrical purposes made of aluminum grade AD 0 and aluminum alloy AD 31
GOST 15176-89, TU U 24.4-31806384-018:2019
| Brand | "a", mm | "in", mm |
| AD0, AD31 | 2.0 - 40.0 | 20.0 - 160.0 |
Designed for electrical purposes.
Requirements for electrical parameters:
Specific electrical resistance of the busbars to direct current, converted to a temperature of 20 ° C, should be no more than:
- 0.0290 Ohm mm2/m - for AD0 aluminum bars;
- 0.0310 Ohm mm2/m - for tires made of aluminum alloy grade AD31 without heat treatment (hot-pressed);
- 0.0350 Ohm mm2/m - for tires made of aluminum alloy grade AD31 in a hardened and naturally aged state;
- 0.0325 Ohm mm2/m - for tires made of aluminum alloy grade AD31 in a hardened and artificially aged state;
- 0.0330 Ohm mm2/m - for tires made of aluminum alloy grade AD31 in an incompletely hardened and artificially aged state.
Mechanical requirements:
Brand | Tire Manufacturing Condition | Tyre condition during testing | Tire thickness, mm | Temporary resistance σv, MPa (kgf/ mm2) | Yield strength σ0,2 , MPa ( kgf/mm2) | Elongation δ, % | at least | AD0 | No heat treatment | No heat treatment | All sizes | 59,0(6,0) | – | 20,0 | АД31 | No heat treatment | Hardened & Naturally Aged | All sizes | 127,0 (13,0) | 69,0 (7,0) | 13,0 | Hardened & Naturally Aged | Hardened & Naturally Aged | Up to and including 35.0 | 127,0 (13,0) | 69,0 (7,0) | 13,0 | Hardened and Artificially Aged | Hardened and Artificially Aged | Up to and including 35.0 | 196,0 (20,0) | 147,0 (15,0) | 10,0 | Not fully hardened and artificially aged | Not fully hardened and artificially aged | Up to and including 35.0 | 157,0 (16,0) | 118,0 (12,0) | 8,0 | ||