SN400B SN400C Q235GJ碳素结构钢机械性能用途
表5~184热轧钢带的厚度允许偏差 (mm)
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厚度允许偏差
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≤3.00
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士0.20
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>3.O0~5.00
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&plu***n;O.24
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>5.00
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&plu***n;O.27
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