型号?尺寸(mm)?理论重量(kg/m)?长边宽?短边宽?边厚?2.5/16?25?16?3?0.912?25?16?4?1.176?3.2/2?32?20?3?1.171?32?20?4?1.522?4/2.5?40?25?3?1.484?40?25?4?1.936?4.5/2.8?45?28?3?1.687?45?28?4?2.203?5/3.2?50?32?3?1.908?50?32?4?2.494?5.6/3.6?56?36?3?2.153? 56?36?4?2.818?56?36?5?3.466?6.3/4?63?40?4?3.185? 63?40?5?3.920?63?40?6?4.638?63?40?7?5.339?7/4.5?70?45?4?3.570? 70?45?5?4.403?70?45?6?5.218?70?45?7?6.011?7.5/5?75?50?5?4.808? 75?50?6?5.699?75?50?8?7.431?75?50?10?9.098?8/5?80?50?5?5.005? 80?50?6?5.935?80?50?7?6.848?80?50?8?7.745?9/5.6?90?56?5?5.661? 90?56?6?6.717?90?56?7?7.756?90?56?8?8.779?10/6.3?100?63?6?7.550? 100?63?7?8.722?100?63? 8?9.878