10. 不锈耐酸钢极薄无缝钢管(GB/T 3090—2000)

不锈耐酸钢极薄无缝钢管主要用于化工、石油、轻工、食品、机械、仪表等工业制造耐酸容器，输送管道和机械仪表的结构件与制品。其尺寸规格及允许偏差见表3-80、表3-81、表3-82。

表3-80 不锈耐酸钢极薄无缝钢管的尺寸规格

外径×壁厚/mm10.3×0.1512.4×0.2015.4×0.2018.4×0.2020.4×0.2024.4×0.2026.4×0.2032.4×0.2035.0×0.5040.4×0.2040.6×0.3041.0×0.5041.2×0.6048.0×0.2550.5×0.2553.2×0.6055.0×0.5059.6×0.3060.0×0.2560.0×0.5061.0×0.3561.0×0.5061.2×0.6067.6×0.3067.8×0.4070.2×0.6074.0×0.5075.5×0.2575.6×0.3082.8×0.4083.0×0.5089.6×0.3089.8×0.4090.2×0.4090.5×0.2590.7×0.3090.8×0.4095.6×0.30101.0×0.50102×0.30110.9×0.45125.7×0.35150.8×0.40250.8×0.40　

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