| 花岗石检测平板 | | 济南青”花岗石物理参数 比重 : 2970~3070kg/m3 抗压强度 : 245~354N/mm2 弹性磨量 : 1.27~1.47N/mm2 线膨胀系数 : 4.61x10^-6/℃ 吸水率 : <0.13% 肖氏硬度 : Hs70以上
花岗石平板精度参照各*国家标准,平面度公差依: GB498-85岩石平板标准 000级1×(1+d/1000) μm 00级2×(1+d/1000) μm 0级4×(1+d/1000) μm 1级8×(1+d/1000) μm (d为平板对角线长度。mm)
规格(mm) | 精度等级 | 000级平面度(μm) | 00级平面度(μm) | 0级平面度(μm) | 1级平面度(μm) | 300x200x50 | 1.5 | 3 | 5.5 | 11 | 300x300x70 | 1.5 | 3 | 5.5 | 11 | 400x250x70 | 1.5 | 3 | 6 | 12 | 400x400x70 | 2 | 3.5 | 6.5 | 13 | 630x400x100 | 2 | 3.5 | 7 | 14 | 630x630x100 | 2 | 4 | 8 | 16 | 800x500x130 | 2 | 4 | 8 | 16 | 1000x630x150 | 2.5 | 4.5 | 9 | 18 | 1000x750x150 | 2.5 | 4.5 | 9 | 18 | 1000x1000x150 | 2.5 | 5 | 10 | 20 | 1600x1000x200 | 3 | 6 | 12 | 24 | 2000x1000x200 | 3.5 | 6.5 | 13 | 26 | 2000x1600x250 | 3.5 | 7 | 14 | 28 | 2500x1600x300 | 4 | 8 | 16 | 32 | 3000x2600x400 | 4.5 | 9 | 18 | 36 | 3000x2000x500 | 5.5 | 11 | 22 | 44 |
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