山东焊接钢管DN400的价格

    ¥:9.00

    聊城大功钢管有限公司

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    95 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 100 ● ● ● ● ● ● ◆ ● ● ● ● ● ● ● ● ● ● ● ● ● ● 102 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 外径 壁厚 1.0 1.2 1.4 1.5 1.6 2.0 2.2 2.5 2.8 3.0 3.2 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10 11 12 13 14 15 108 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 114 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 127 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 133 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 140 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 146 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 159 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 140 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 146 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 159 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 注: 1.●表示冷拔(轧)钢管规格。 2.钢管的通常长度规定如下: 热轧(挤、扩)钢管………………………………………………2-12m 冷拔(轧)钢管………………………………………………………1—8m 3.钢管的弯曲度不得大于如下规定: 壁厚<15mm……………………………………………………?…1.5mm/m 壁厚≥15mm……………………………………?…………………2.0mm/m 热扩管………………………………………………………………3.0mm/m (3)牌号和化学成分 结构用不锈钢无缝钢管的牌号和化学成分 组织 类型 序号 牌 号 化学成分(质量分数)(%) C Si Mn P S Ni C Mo 其 他 奥氏 体型 1 0Cr18Ni9 ≤0.07 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00-11.00 17.00-19.00 2 1Cr18Ni9 ≤0.15 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00-10.00 17.00-19.00 3 00Cr19Ni10 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00-12.00 18
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