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Magnesium aluminum ruler is made of magnesium aluminum alloy tool for maintenance and measure .Some general steel material yield-point is 30 kg/mm2, cast iron pieces 38 kg/mm2, magnesium aluminum ruler of 110 kg/mm2, resistance to bending index is more than other materials. This is because the magnesium alloy is a new type of alloy material, magnesium and aluminum content in magnesium alloy are all about 50%, according to different special industry ,ruler is mainly divided into two kinds, heavy industry and light industry, heavy industry special leveling ruler with cast iron, cast steel materials, light industry dedicated ruler. In materials such as magnesium, aluminum alloy stainless steel Magnesium aluminum ruler specific shape and model can be designed according to the actual demand.
| Specification of Aluminum Magnesium Alloy Flat Ruler | ||||||||
| L | H | A | B | R | Accuracy class/um | Straightness accuracy | parallelism | Weight |
| 500 | 60 | 30 | 6 | 4 | 0 | 0.003 | 0.004 | 0.8 |
| 1000 | 60 | 30 | 6 | 4 | 0 | 0.005 | 0.008 | 1.5 |
| 1500 | 60 | 30 | 6 | 4 | 1 | 0.015 | 0.022 | 2.3 |
| 2000 | 100 | 40 | 8 | 6 | 1 | 0.018 | 0.027 | 6 |
| 2500 | 100 | 40 | 8 | 6 | 1 | 0.022 | 0.033 | 7.5 |
| 3000 | 100 | 40 | 8 | 6 | 2 | 0.048 | 0.072 | 9 |
| 3500 | 100 | 40 | 8 | 6 | 2 | 0.056 | 0.084 | 10 |
| 4000 | 150 | 80 | 10 | 8 | 2 | 0.064 | 0.13 | 28 |
| 4500 | 150 | 80 | 10 | 8 | 3 | 0.016 | 0.24 | 35 |
| 5000 | 175 | 80 | 10 | 10 | 2 | 0.08 | 0.12 | 40 |
| 5000 | 150 | 80 | 8 | 8 | 3 | 0.20 | 0.30 | 42 |
| 6000 | 175 | 80 | 10 | 10 | 2 | 0.10 | 0.15 | 50 |
