1. Application: Dry-type transformer
2: Alloy and Temper
AA1070,1070A,1060,1050,1050A,1350 , Temper: O
3 Specification and tolerance(mm)
Table 1: thickness tolerance
| Thickness(Min) | Thickness tolerance |
| Standard (plus.minues) | EN485 | GB/T3880-2006 |
| 1000 | 1000～1250 | 1000 | 1000～1250 |
| 0.2～0.4 | ±0.02 | ±0.02 | ±0.04 | 0.02 | ±0.03 |
| 0.4～0.8 | ±0.03 | ±0.03 | ±0.04～±0.06 | 0.03 | ±0.04～±0.06 |
| 0.8～1.1 | ±0.04 | ±0.04 | ±0.06～±0.07 | 0.04 | ±0.06～±0.07 |
| 1.1～1.4 | ±0.05 | ±0.05 | ±0.07～±0.09 | 0.05 | ±0.07～±0.08 |
| 1.4～2.0 | ±0.06 | ±0.06 | ±0.09～±0.11 | 0.06 | ±0.08～±0.09 |
| 2.0～2.5 | ±0.07 | ±0.07 | ±0.12 | 0.07 | ±0.09 |
| 2.5～3.0 | ±0.08 | ±0.08 | ±0.13 | 0.08 | ±0.12 |
Table 2: edge curve
| Width(mm) | Edge curve |
| less than 150mm | l ess than 1／2000 |
| more than 150mm | less than 2／2000 |
Table 3: high grade edge curve(mm)
| width(more than) | Curve(less than) |
| 25～100 | 8 |
| 100～300 | 6 |
| 300～600 | 5 |
| 600～1000 | 4 |
| 1000～2000 | 3 |
| 2000～2500 | 3 |
4 Mechnical propety: As Per EN485
5 : conductivity
Under condition of annealing at temperature of 20℃,conductivity shall be :1/ρ20℃≥35.4m/Ω·mm2
Our advantages:
1, Since 2008, we have rich experience in this industry in China;
2, Good reputation in the production of aluminium/aluminum plate areas;
3, We start our productions from aluminum ingot,so we can control the quality as well;
4, We have our own development department for new material research;
5, Good experience and cooperation with big clients in the world;
6, With Certificate ISO9001-2008;
7, High performance cost ratio;
8, Fast delivery time;
9, Customized orders available;
10, Good communication skills, and good service and understandings for customers.
