JIS G 3452,standard of carbon steel pipes For ordinary piping,This Japanese industrial standard specifies the carbon steel pipe. used for the pipings for conveying steam,water,oil,gas,air,etc.

Types:
JIS G3452 Black pipe

JIS G3452 Galvanized pipe

Sizes of G3452 Steel Pipe

size		OD (mm)	Carbon steel pipes piping  (JIS G3452)	(JIS G3454)
				Nominal thickness
A	B		WT (mm)	schedule 10	schedule 20	schedule 30	schedule 40	schedule 60	schedule 80
6	1/8	10.5	2.0	-	-	-	1.7	2.2	2.4
8	1/4	13.8	2.3	-	-	-	2.2	2.4	3.0
10	3/8	17.3	2.3	-	-	-	2.3	2.8	3.2
15	1/2	21.7	2.8	-	-	-	2.8	3.2	3.7
20	3/4	27.2	2.8	-	-	-	2.9	3.4	3.9
25	1	34.0	3.2	-	-	-	3.4	3.9	4.5
32	1.1/4	42.7	3.5	-	-	-	3.6	4.5	4.9
40	1.1/2	48.6	3.5	-	-	-	3.7	4.5	5.1
50	2	60.5	3.8	-	3.2	-	3.9	4.9	5.5
65	2.1/2	76.3	4.2	-	4.5	-	5.2	6.0	7.0
80	3	89.1	4.2	-	4.5	-	5.5	6.6	7.6
90	3.1/2	101.6	4.2	-	4.5	-	5.7	7.0	8.1
100	4	114.3	4.5	-	4.9	-	6.0	7.1	8.6
125	5	139.8	4.5	-	5.1	-	6.6	8.1	9.5
150	6	165.2	5.0	-	5.5	-	7.1	9.3	11.0
200	8	216.3	5.8	-	6.4	7.0	8.2	10.3	12.7
250	10	267.4	6.6	-	6.4	7.8	9.3	12.7	15.1
300	12	318.5	6.9	-	6.4	8.4	10.3	14.3	17.4
350	14	355.6	7.9	6.4	7.9	9.5	11.1	15.1	19.0
400	16	406.4	7.9	6.4	7.9	9.5	12.7	16.7	21.4