GJ型镀锌钢绞线型号GJ-25GJ-35GJ-50GJ-50GJ-70GJ-100GJ-120GJ-120GJ-135GJ-135股数×线股计算截面外径(mm)2直径(mm)(mm)6.67.9111314141515.57×2.27×2.67×3.019×1.819×2.219×2.619×2.837×2.019×3.037×2.226.637.19.48.3272.19100.83116.93116.18134.24140.58公称抗拉强度(MPa)110029.20.87.4153.1579.41110.91128.62127.8147.661.125014001550钢丝破断拉力总和(kN)不小于33.26.4461.8360.490.24126.04146.16145.23167.8175.7337.2452.0169.2467.65101.07141.16163.7162.65187.94196.8141.2357.5876.6674.9111.156.29181.24180.08208.07217.9170045.2263.1684.0882.14122.72171.41198.78197.51228.21238.99 钢绞线公称直径、公称截面面积及理论重量类公称直径（mm）8.610.812.99.51×7标准型11.112.715.2公称截面面积（mm2）37.459.385.4.874.298.7139理论重量（kg/m）0.2950.4650.6710.4320.580.7741.1011×3计算质量(kg/km)227.7318.2423.7411.1615859.499598111441187
