不锈钢管壁厚公差标准是什么?
2个回答
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不锈钢管标准及不锈钢管标准及不锈钢管标准及不锈钢管标准及外径与壁厚尺寸允许公差表外径与壁厚尺寸允许公差表外径与壁厚尺寸允许公差表外径与壁厚尺寸允许公差表尺寸标准外径(mm)壁厚(%)切割长度(mm)尺寸公差尺寸(mm)公差尺寸公差GB/T14975-0210~30+0.30/-0.30S≤
3+14/-141.0~3.0+15/030~50+0.40/-0.40S>3+12/-10D>50+0.9%/-0.9%GB/T14976-026~10+0.20/-0.200.5~1.0+0.15/-0.15mm+15/010~30+0.30/-0.301.0~3.0+14/-1430~50+0.40/-0.40>3+12/-10D>50+0.9%/-0.9%+12.5/-12.5GB13296-91≤
140+1.25%/-1.25%≤
10+15/-15>140+1%/-1%>10ASTM213D<25.4+0.10/-0.10D<38.1+20/0D<50.8+3.0/025.4~38.1+0.15/-0.1538.1~50.8+0.20/-0.2050.8~63.5+0.25/-0.25D≥
38.1+22/0D≥
50.8+5.0/063.5~76.2+0.30/-0.3076.2~101.6+0.38/-0.38101.6~190.5+0.38/-0.64190.5~228.6+0.38/-1.14ASTMA269D<12.7+0.13/-0.13+15/-15+3.2/012.7~38.1+10/-1038.1~88.9+0.25/-0.25+4.8/088.9~139.7+0.38/-0.38139.7~203.2+0.76/-0.76ASTMA31210.29~48.26+0.40/-0.80+12.5/-12.5+6.0/0
3+14/-141.0~3.0+15/030~50+0.40/-0.40S>3+12/-10D>50+0.9%/-0.9%GB/T14976-026~10+0.20/-0.200.5~1.0+0.15/-0.15mm+15/010~30+0.30/-0.301.0~3.0+14/-1430~50+0.40/-0.40>3+12/-10D>50+0.9%/-0.9%+12.5/-12.5GB13296-91≤
140+1.25%/-1.25%≤
10+15/-15>140+1%/-1%>10ASTM213D<25.4+0.10/-0.10D<38.1+20/0D<50.8+3.0/025.4~38.1+0.15/-0.1538.1~50.8+0.20/-0.2050.8~63.5+0.25/-0.25D≥
38.1+22/0D≥
50.8+5.0/063.5~76.2+0.30/-0.3076.2~101.6+0.38/-0.38101.6~190.5+0.38/-0.64190.5~228.6+0.38/-1.14ASTMA269D<12.7+0.13/-0.13+15/-15+3.2/012.7~38.1+10/-1038.1~88.9+0.25/-0.25+4.8/088.9~139.7+0.38/-0.38139.7~203.2+0.76/-0.76ASTMA31210.29~48.26+0.40/-0.80+12.5/-12.5+6.0/0
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