无缝钢管每米重量及单价换算表 m/元:kg/元 管径φmm壁厚(mm)每米单重kg长度m168.0012.0046.161.001620.0014.00554.461.00820.0010.00199.7528.001016.0010.00248.081.0042.403.603.441.0060.004.005.521.0088.904.008.371.00168.007.0027.791.0019.008.002.171.0021.008.002.561.0022....