详细介绍
品名无缝管类型一般结构管材质20#产地/厂家包钢规格各种规格（mm）断面形状圆形
外径标准壁厚钢号库存支数库存吨数377gb3087-20081020#632625.95377gb3087-20081220#249299.757377gb/t8#gb/t8#gb3087-20081220#gb/t8#gb3087-20082120#52114.589299gb/t8#125100.234299gb/t8#10397.743377gb3087-200851gb/t8#9787.823273gb/t8#12886.829377gb/t8#8586.408356gb/t8#6870.788377gb3087-2008920#7770.254377gb3087-20087gb3087-200825gb/t8#5956.3#3355.648377gb/t8#5054.758377gb/t8#5454.225377gb/t8#3950.93356gb/t8#2550.29
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