山東精密鋼管廠家,山東精密鋼管廠新規格表,山東精密鋼管制造廠。
尺寸公差對照表 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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