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鋼管種類 |
鋼管尺寸
/mm |
允許偏差 | ||
普通級 |
高 級 | |||
熱軋(擠壓擴)管 |
外徑D |
<50 |
±O.50mm |
土0.40mm |
≥50 |
±1% |
±O.75% | ||
壁厚s |
<4 |
±12.5%(最小值為±O.40mm) |
±lO%(最小值為±O.30mm) | |
≥4~20 |
+15%
-12.5% |
±10% | ||
>20 |
±12.5% |
±lO% | ||
冷拔(軋)管 |
外徑D |
6~10 |
±O.20mm |
士O.10mm |
>lO~30 |
±O.40m |
±O.20mm | ||
>30~50 |
±O.45mm |
±0.25mm | ||
>50 |
±1% |
±O.5% | ||
壁厚s |
≤1 |
±0.15mm |
士O.12mm | |
>1~3 |
+15%
-lO% |
士lO% | ||
>3 |
+12.5
-10% |
±lO% |
銷售電話:0635-2996991 2996992 13666356558 王經(jīng)理
主營業(yè)務:流體管、輸送流體用無縫管、光亮精密無縫鋼管、山東無縫鋼管廠、精密管
銷售電話:0635-2996991 2996992 13666356558 王經(jīng)理
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