Extruded bars from AD0, AD1 aluminum and AD31 aluminum alloy
GOST 21488-97
| Brand | diameter, mm |
| AD0, AD1, AD31 | 8.0 - 60.0 mm |
Requirement for mechanical parameters:
Alloy grade | Condition of the material of bars during manufacture | State of specimen material during testing | Tire thickness, mm | Temporary resistance σv, MPa (kgf/ mm2) | Yield strength σ0,2 , MPa ( kgf/mm2) | Elongation δ, % | at least | AD0, AD1 | No heat treatment | No heat treatment | All sizes | 60,0(6,0) | – | 25,0 | АД31 | No heat treatment | No heat treatment | All sizes | 90,0(9,0) | 60,0 (6,0) | 15,0 | Hardened & Naturally Aged | All sizes | 135,0 (14,0) | 70,0 (7,0) | 13,0 | Hardened & Naturally Aged | Hardened & Naturally Aged | All sizes | 135,0 (14,0) | 70,0 (7,0) | 13,0 | Hardened and Artificially Aged | Hardened and Artificially Aged | All sizes. | 195,0 (20,0) | 145,0 (15,0) | 8,0 | ||