[설계공부] JIS규격과 ASME규격의 배관호칭지름, 외경 비교

JIS규격 (JIS G3454-2012)			ASME규격 (ASME B36.10M-2015)
호칭지름 A	호칭지름 B	외경(mm)	NPS	DN	외경(mm)
6	1/8	10.5	1/8	6	10.3
8	1/4	13.8	1/4	8	13.7
10	3/8	17.3	3/8	10	17.1
15	1/2	21.7	1/2	15	21.3
20	3/4	27.2	3/4	20	26.7
25	1	34	1	25	33.4
32	1-1/4	42.7	1-1/4	32	42.2
40	1-1/2	48.6	1-1/2	40	48.3
50	2	60.5	2	50	60.3
65	2-1/2	76.3	2-1/2	65	73
80	3	89.1	3	80	88.9
90	3-1/2	101.6	3-1/2	90	101.6
100	4	114.3	4	100	114.3
125	5	139.8	5	125	141.3
150	6	165.2	6	150	168.3
200	8	216.3	8	200	219.1
250	10	267.4	10	250	273
300	12	318.5	12	300	323.8
350	14	355.6	14	350	355.6
400	16	406.4	16	400	406.4
450	18	457.2	18	450	457
500	20	508	20	500	508
550	22	558.8	22	550	559
600	24	609.6	24	600	610