大口径厚壁16mn无缝钢管351×40尺寸偏差\无锡豪鑫天

大口径厚壁16mn无缝钢管尺寸偏差

偏差等级	标准化外径允许偏差
D1	±1.5%，最小±0.75 mm
D2	±1.0%。最小±0.50 mm
D3	±0.75%．最小±0.30 mm
D4	±0.50%。最小±0.10 mm

14×1.5-2.5-3	20	76×4-4.5-5-6-7-8-9-10-12-14	60	245×8-10-14-17-20-22	105
16×1.5-2.5-4	30	83×4.5-5-10I━12-14-16-18-20	30	245×25-28-30-34-40	84
18×2.3-4-5	20	89×4.5-8-10━12-14-16-18-20	40	273×7-9-12-15-18-20-25	100
20×2.5-3-5	17	95×4.5-6-8-10-12-14-16-20	50	273×30-35-38-40	50
24×2.5-3-4-5-6	25	102×4.5-5-6-7-8-10-12-14-16-20	80	299×8-12-16-20-24-28	60
25×2.5-3-4-5-6	28	108×4.5-5-6-7-8-22	75	299×30-32-36-38-40	70
28×3-3.5-4-5-6	30	114×4.5-5-6-7-8-1-14-18-20	100	325×8-12-14-18-38	120
32×3.5-4-5-6-8	40	121×4.5-5-6-7-8-10-12-14-16-20	102	325×28-32-34-38	75
34×4-5-6-8	35	127×4.5-5-6-7-8-10-12-14-16-20	95	351×10-16-20-25-40	120
36×3.5-5-6-8	30	133×4.5-6-8-12-14-16-18-20-25-30	120	355×6-18-20-25-30-40	45
38×4-5-6-7-8-9-10	33	140×5-6-7-8-9-10-12-14-16-2	50	377×8-12-15-20-24-28	128
39×3.5-5-8-10	30	146×4.5-6-8-12-14-16-18-20-25-30	60	377×30-37-40	60
42×3.5-4-5-6-7-8-9-10	35	152×4.5-6-8-12-14-16-18-20-25-30	60	402×10-15-25-30-35

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