ASME壁厚对照表(单位为mm)
英制(inch)	公制	外径OD	5S	5	10S	10	20	30	STD	40S	40	60	XS	80S	80	100	120	140	160	XXS
1/8	6	10.3			1.24				1.73	1.73	1.73		2.41	2.41	2.41
1/4	8	13.7			1.65				2.24	2.24	2.24		3.02	3.02	3.02
3/8	10	17.1	–	–	1.65	1.65	–	1.85	2.31	2.31	2.31	–	3.2	3.2	3.2	–	–	–	–	–
1/2	15	21.3	1.65	1.65	2.11	2.11	–	2.41	2.77	2.77	2.77	–	3.73	3.73	3.73	–	–	–	4.78	7.47
3/4	20	26.7	1.65	1.65	2.11	2.11	–	2.41	2.87	2.87	2.87	–	3.91	3.91	3.91	–	–	–	5.56	7.82
1	25	33.4	1.65	1.65	2.77	2.77	–	2.9	3.38	3.38	3.38	–	4.55	4.55	4.55	–	–	–	6.35	9.09
1 1/4	32	42.2	1.65	1.65	2.77	2.77	–	2.91	3.56	3.56	3.56	–	4.85	4.85	4.85	–	–	–	6.35	9.7
1 1/2	40	48.3	1.65	1.65	2.77	2.77	–	3.18	3.68	3.68	3.68	–	5.08	5.08	5.08	–	–	–	7.14	10.15
2	50	60.3	1.65	1.65	2.77	2.77	–	3.18	3.91	3.91	3.91	–	5.54	5.54	5.54	–	–	–	8.74	11.07
2 1/2	65	73	2.11	2.11	3.05	3.05	–	4.78	5.16	5.16	5.16	–	7.01	7.01	7.01	–	–	–	9.53	14.02
3	80	88.9	2.11	2.11	3.05	3.05	–	4.78	5.49	5.49	5.49	–	7.62	7.62	7.62	–	–	–	11.13	15.24
3 1/2	90	101.6	2.11	2.11	3.05	3.05	–	4.78	5.74	5.74	5.74	–	8.08	8.08	8.08	–	–	–	–	–
4	100	114.3	2.11	2.11	3.05	3.05	–	4.78	6.02	6.02	6.02	–	8.56	8.56	8.56	–	11.13	–	13.49	17.12
5	125	141.3	2.77	2.77	3.4	3.4	–	–	6.55	6.55	6.55	–	9.53	9.53	9.53	–	12.7	–	15.88	19.05
6	150	168.3	2.77	2.77	3.4	3.4	–	–	7.11	7.11	7.11	–	10.97	10.97	10.97	–	14.27	–	18.26	21.95
8	200	219.1	2.77	2.77	3.76	3.76	6.35	7.04	8.18	8.18	8.18	10.31	12.7	12.7	12.7	15.09	18.26	20.62	23.01	22.23
10	250	273.1	3.4	3.4	4.19	4.19	6.35	7.8	9.27	9.27	9.27	12.7	12.7	12.7	15.09	18.26	21.44	25.4	28.58	25.4
12	300	323	3.96	3.96	4.57	4.57	6.35	8.38	9.53	9.53	10.31	14.27	12.7	12.7	17.48	21.44	25.4	28.58	33.32	25.4
14	350	355.6	3.96	3.96	4.78	6.35	7.92	9.53	9.53	9.53	11.13	15.09	12.7	12.7	19.05	23.83	27.79	31.75	35.71	–
16	400	406.4	4.19	4.19	4.78	6.35	7.92	9.53	9.53	9.53	12.7	16.66	12.7	12.7	21.44	26.19	30.96	36.53	40.49	–
18	450	457.2	4.19	4.19	4.78	6.35	7.92	11.13	9.53	9.53	14.27	19.05	12.7	12.7	23.88	29.36	34.93	39.67	45.24	–
20	500	508	4.78	4.78	5.54	6.35	9.53	12.7	9.53	9.53	15.09	20.62	12.7	12.7	26.19	32.54	38.1	44.45	50.01	–
22	550	558.8	4.78	4.78	5.54	6.35	9.53	12.7	9.53	–	–	22.23	12.7	–	28.58	34.93	41.28	47.63	53.98	–
24	600	609.6	5.54	5.54	6.35	6.35	9.53	14.27	9.53	9.53	17.48	24.61	12.7	12.7	30.96	38.89	46.02	52.37	59.54	–
26	650	660.4		–		7.92	12.7	–	9.53		–	–	12.7		–	–	–	–	–	–
28	700	711.2		–		7.92	12.7	15.88	9.53		–	–	12.7		–	–	–	–	–	–
30	750	762	6.35	6.35	7.92	7.92	12.7	15.88	9.53		–	–	12.7		–	–	–	–	–	–
32	800	812.8		–		7.92	12.7	15.88	9.53		17.48	–	12.7		–	–	–	–	–	–
34	850	863.6		–		7.92	12.7	15.88	9.53		17.48	–	12.7		–	–	–	–	–	–
36	900	914.4		–		7.92	12.7	15.88	9.53		19.05	–	12.7		–	–	–	–	–	–
38	950	965.2		–		–	–	–	9.53		–	–	12.7		–	–	–	–	–	–
40	1000	1016		–		–	–	–	9.53		–	–	12.7		–	–	–	–	–	–
42	1050	1066.8		–		–	–	–	9.53		–	–	12.7		–	–	–	–	–	–
44	1100	1117.8		–		–	–	–	9.53		–	–	12.7		–	–	–	–	–	–
46	1150	1168.4		–		–	–	–	9.53		–	–	12.7		–	–	–	–	–	–
48	1200	1219.2		–		–	–	–	9.53		–	–	12.7		–	–	–	–	–	–