Line pipe

large diameter seamless steel pipes in China

PIC-(large diameter seamless steel pipes in China)

Thickness of Line pipes for different standard
large diameter seamless steel pipes in China now had been up to 26 inches.

钢管外径与壁厚标准（美标，日标，德标）
STEEL PIPE OUTER DIAMETER AND WALL THICKNESS STANDARDS(ASTE, JIS DIN)
Norminal Pipe Size		Out side Diameter			NORMINAL WALL THICKNESS
A	B	ASME	JIS	DIN	JIS(1)	DIN(2)	Sch10	sch20	sch30	STD	Sch40	Sch60
15	1/2"	21.3	21.7	21.3	2.8	2	2.11		2.41	2.77	2.77
20	3/4"	26.7	27.2	26.9	2.8	2.3	2.11		2.41	2.87	2.87
25	1"	33.4	34	33.7	3.2	2.6	2.77		2.9	3.38	3.38
32	1-1/4"	42.2	42.7	42.4	3.5	2.6	2.77		2.97	3.56	3.56
40	1-1/2"	48.3	48.6	48.3	3.5	2.6	2.77		3.18	3.68	3.68
50	2"	60.3	60.5	60.3	3.8	2.9	2.77		3.18	3.91	3.91
65	2-1/2"	73	76.3	76.1	4.2	2.9	3.05		4.78	5.16	5.16
80	3"	88.9	89.1	88.9	4.2	3.2	3.05		4.78	5.49	5.49
90	3-1/2"	102	101.6		4.2		3.05		4.78	5.74	5.74
100	4"	114.3	114.3	114.3	4.5	3.6	3.05		4.78	6.02	6.02
125	5"	141.3	139.8	139.7	4.5	4	3.4			6.55	6.55
150	6"	168.3	165.2	168.3	5	4.5	3.4	4.5		7.011	7.011
200	8"	219.1	216.3	219.1	5.8	6.3	3.76	6.35	7.04	8.18	8.18	10.31
250	10"	273	267.4	273.0	6.6	6.3	4.19	6.35	7.8	9.27	9.27	12.7
300	12"	323.8	318.5	323.9	6.9	7.1	4.57	6.35	8.38	9.53	10.31	14.27
350	14"	355.6	355.6	355.6	7.9	8	6.35	7.92	9.53	9.53	11.13	15.09
400	16"	406.4	406.4	406.4	7.9	8.8	6.35	7.92	9.53	9.53	12.7	16.66
450	18"	457.2	457.2	457	7.9	10	6.35	7.92	11.13	9.53	14.27	19.05
500	20"	508.8	508	508	7.9	11	6.35	9.53	12.7	9.53	15.09	20.62
550	22"	558.8	558.8				6.35	9.53	12.7	9.53		22.23
600	24"	609.6	609.6	610		12.5	6.35	9.53	14.27	9.53	17.48	24.61
650	26"	660.4	660.4				7.92	12.7		9.53
700	28"	711.2	711.2	711		12.5	7.92	12.7		9.53
750	30"	762	762				7.92	12.7		9.53
800	32"	812.8	812.8	813		12.5	7.92	12.7		9.53	17.48
850	34"	863.6	863.6				7.92	12.7		9.53	17.48
900	36"	812.8	812.8	914		12.5	7.92	12.7		9.53	19.05
950	38"	965.2	965.2							9.53
1000	40"	1016.0	1016.0	1016		12.50				9.53
1200	48"	1219.2	1219.2	1220						9.53
STEEL PIPE OUTER DIAMETER AND WALL THICKNESS STANDARDS(ASTE, JIS DIN)
Norminal Pipe Size		Out side Diameter			NORMINAL WALL THICKNESS
A	B	ASME	JIS	DIN	XS	Sch80	Sch100	Sch120	Sch140	Sch160	XXS
15	1/2"	21.3	21.7	21.3	3.73	3.73				4.78	7.47
20	3/4"	26.7	27.2	26.9	3.91	3.91				5.56	7.82
25	1"	33.4	34	33.7	4.55	4.55				6.35	9.09
32	1-1/4"	42.2	42.7	42.4	4.85	4.85				6.35	9.7
40	1-1/2"	48.3	48.6	48.3	5.08	5.08				7.14	10.15
50	2"	60.3	60.5	60.3	5.54	5.54				8.74	11.07
65	2-1/2"	73	76.3	76.1	7.01	7.01				9.53	14.02
80	3"	88.9	89.1	88.9	7.62	7.62				11.13	15.24
90	3-1/2"	102	101.6		8.08	8.08
100	4"	114.3	114.3	114.3	8.56	8.56		11.13		13.49	17.12
125	5"	141.3	139.8	139.7	9.53	9.53		12.7		15.88	19.05
150	6"	168.3	165.2	168.3	10.97	10.97		14.27		18.26	21.95
200	8"	219.1	216.3	219.1	12.7	12.7	15.09	18.26	20.62	23.01	22.23
250	10"	273	267.4	273.0	12.7	15.09	18.26	21.44	25.4	28.58	25.4
300	12"	323.8	318.5	323.9	12.7	17.48	21.44	25.4	28.58	33.32	25.4
350	14"	355.6	355.6	355.6	12.7	19.05	23.83	27.79	31.75	35.71
400	16"	406.4	406.4	406.4	12.7	21.44	26.19	30.96	36.53	40.49
450	18"	457.2	457.2	457	12.7	23.83	29.36	34.93	39.67	45.24
500	20"	508.8	508	508	12.7	26.19	32.54	38.1	44.45	50.01
550	22"	558.8	558.8		12.7	28.58	34.93	41.28	47.63	53.98
600	24"	609.6	609.6	610	12.7	30.96	38.89	46.02	52.37	59.54
650	26"	660.4	660.4		12.7
700	28"	711.2	711.2	711	12.7
750	30"	762	762		12.7
800	32"	812.8	812.8	813	12.7		JIS G3452 ASME B36.10M
850	34"	863.6	863.6		12.7		JIS G3454 DIN 2448
900	36"	812.8	812.8	914	12.7		JIS G3455 DIN 2458
950	38"	965.2	965.2		12.7		JIS G3457
1000	40"	1016.0	1016.0	1016	12.7
1200	48"	1219.2	1219.2	1220	12.7

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