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螺旋鋼管公稱壁厚標準表

螺旋鋼管公稱外徑 nominal O.D mm	螺旋鋼管公稱壁厚　Nominal Wall Thickness mm
螺旋鋼管公稱外徑 nominal O.D mm	5.0	5.5	6.0	7.0	8.0	9.0	10.0	11.0	12.0	13.0	14.0	15.0	16.0	18.0	20.0	22.0
273	33.04	36.28	39.51	45.92
323.9	39.32	43.18	47.04	54.70	62.32	69.89
(325)	39.46	43.33	47.26	54.90	62.54	70.13
355.6	43.23	47.48	51.73	60.18	68.57	76.92
(377)	45.88	50.39	54.89	63.87	72.80	81.67
406.4	49.44	54.32	59.24	68.94	78.60	88.20	97.75
(426)	51.91	57.03	62.14	72.33	82.46	92.55	102.59
457	55.73	61.24	66.73	77.69	88.58	99.43	110.23	120.98	131.60	142.34
508			74.28	86.48	98.64	110.75	122.81	134.82	146.78	158.69
(529)			77.38	90.11	102.78	115.41	127.99	140.51	152.99	165.42
(559)			81.82	95.29	108.70	122.07	135.38	148.65	161.87	175.04
610			89.37	104.09	118.76	133.39	147.96	162.48	176.96	191.39
(630)			92.33	107.54	122.71	137.82	152.89	167.91	182.88	197.80
(660)			96.77	112.72	128.63	144.48	160.29	176.05	191.76	207.42
711			104.31	121.52	138.69	155.80	172.87	189.88	206.85	223.76
(720)			105.64	123.08	140.46	157.80	175.09	192.32	209.51	226.65

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