ASME重量对照表(单位kg/m)
英制(inch)	公制(mm)	外径OD(mm)	5S	10S	10	20	30	STD	40S	40	60	XS	80S	80	100	120	140	160	XXS
1/8	6	10.3		0.28				0.37	0.36	0.37		0.47	0.48	0.47
1/4	8	13.7		0.51				0.63	0.64	0.63		0.8	0.82	0.8
3/8	10	17.1		0.64				0.84	0.86	0.84		1.1	1.12	1.1
1/2	15	21.3	0.82	1.01				1.27	1.3	1.27		1.62	1.65	1.62				1.95	2.55
3/4	20	26.7	1.04	1.31				1.69	1.71	1.69		2.2	2.24	2.2				2.9	3.64
1	25	33.4	1.33	2.13				2.5	2.55	2.5		3.24	3.29	3.24				4.24	5.45
1 1/4	32	42.2	1.68	2.76				3.39	3.46	3.39		4.47	4.56	4.47				5.61	7.77
1 1/2	40	48.3	1.95	3.1				4.05	4.13	4.05		5.41	5.51	5.41				7.25	9.56
2	50	60.3	2.44	4.01				5.44	5.54	5.44		7.48	7.63	7.48				11.11	13.44
2 1/2	65	73	3.77	5.36				8.63	8.81	8.63		11.41	11.64	11.41				14.92	20.39
3	80	88.9	4.6	6.59				11.29	11.52	11.29		15.27	15.59	15.27				21.35	27.68
3 1/2	90	101.6	5.29	7.55				13.57	13.84	13.57		18.63	19.01	18.63
4	100	114.3	5.96	8.52				16.07	16.4	16.07		22.32	22.77	22.32		28.32		33.54	41.03
5	125	141.3	9.67	11.82				21.77	22.2	21.77		30.97	31.59	30.97		40.28		49.11	57.43
6	150	168.3	11.55	14.13				28.26	28.83	28.26		42.56	43.42	42.56		54.2		67.56	79.22
8	200	219.1	15.19	20.37		33.31	36.81	42.55	43.39	42.55		64.64	65.95	64.84	75.92	90.44	100.92	111.27	107.92
10	250	273.1	23.08	28.34		41.77	51.03	60.31	61.52	60.31	81.55	81.55	83.19	96.01	114.75	133.06	155.15	172.33	155.15
12	300	323	31.89	36.73		49.73	65.2	73.88	75.32	79.73	108.96	97.46	99.43	132.08	159.91	186.75	208.14	238.76	186.97
14	350	355.6	35.06	42.14	54.69	67.9	81.33	81.33		94.55	126.71	107.39		158.1	194.96	224.65	253.56	281.7
16	400	406.4	42.41	48.26	62.64	77.83	93.27	93.27		123.3	160.12	123.3		203.53	245.56	286.64	333.19	365.35
18	450	457.2	47.77	54.36	70.57	87.71	122.38	105.16		155.8	205.74	139.15		254.55	309.62	363.56	408.26	459.37
20	500	508	60.46	70	78.55	117.15	155.12	117.15		183.42	247.83	155.12		311.17	381.53	441.49	508.11	564.81
22	550	558.8	66.57	77.06	86.54	129.13	171.09	129.13			294.25	171.09		373.83	451.42	527.02	600.63	672.26
24	600	609.6	84.16	96.37	94.53	141.12.	209.64	141.12		255.41	355.26	187.06		442.08	547.71	640.03	720.15	808.22
26	650	660.4			127.36	202.72		152.87				202.72
28	700	711.2			137.32	218.69	271.21	164.85				218.69
30	750	762	120.72	150.36	147.28	234.67	292.18	176.84				234.67
32	800	812.8			157.24	250.64	312.15	188.82		342.91		250.64
34	850	863.6			167.2	266.61	332.12	200.31		364.9		266.61
36	900	914.4			176.96	282.27	351.7	212.56		420.4		282.27
38	950	965.2						224.54				298.24
40	1000	1016						236.53				314.22
42	1050	1066.8						248.52				330.19
44	1100	1117.8						260.5				346.16
46	1150	1168.4						272.25				351.82
48	1200	1219.2						284.24				377.79