山東聊城乾億管業(yè)生產(chǎn)精軋光亮管,、冷拔精密鋼管、精拉光亮管,、內(nèi)外拋光管,、冷軋精密無縫鋼管,、冷拔無縫管,品種規(guī)格齊全,。
尺寸公差對(duì)照表
外徑尺寸范圍 gb/t3639(gb8713) din2391(en10305) 本公司正常范圍 特殊范圍
4mm-30mm ±0.10mm ±0.08mm ±0.05mm ±0.02mm
31mm-40mm ±0.15mm ±0.15mm ±0.05mm ±0.03mm
41mm-50mm ±0.20mm ±0.20mm ±0.05mm ±0.03mm
51mm-60mm ±0.25mm ±0.25mm ±0.08mm ±0.03mm
61mm-70mm ±0.30mm ±0.30mm ±0.10mm ±0.05mm
71mm-160mm ±0.30mm ±0.30mm ±0.10mm ±0.05mm
壁厚公差范圍 ±0.12mm ±0.10mm ±0.05mm ±0.03mm
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