供应镍合金对不锈钢管的性能影响/TP304/304L不锈钢管永上现货天津武进不锈钢制品销售有限公司国内国际尺寸公差对照Comparisonbetweendomesticandinternationalsizedeviations                        尺寸（SIZE）外径尺寸外径允许偏差 外径尺寸 壁厚允许偏差 尺寸 允许偏差 SIZEPERMISSIBLEVARIATIONSIZEPERMISSIBLEVARIATIONSIZEPERMISSIBLEVARIATION标准(SPECIFICATION)GB/T14975-2002[10,30]-1S≤3(+,-)14%[1.0,30.]#DIV/0!(30,50]-1S>3(+12%/-10%D>50(+,-)0.9%GB/T14976-2002[6,10]-1(0.5,1.0)(+,-)0.15#DIV/0!(10,30]-1(1.0,3)(30,50]-1S>3(+12%/-10%D>50(+,-)0.9%GB13296-2007[6,30]-0.75D≤38#DIV/0!(30,50]-1D>38#DIV/0!D>50(+,-)0.75%#DIV/0!ASTMA213D