Welded Carbon Steel pipe

Name: Welded Carbon Steel pipe
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Product Description

SWelded Carbon Steel pipe traight seam welded pipe production process is simple, high production efficiency, low cost, rapid development. The strength of the spiral welded pipe is generally higher than that of the straight seam welded pipe, and the pipe with larger diameter can be produced with the narrow billet. The pipe with different diameter can also be produced with the same width. However, compared with the same length of the straight pipe, the weld length increased by 30 to 100%, and the production rate is low.

Erw Steel Pipe wall thickness classification table

Inch	inch sizc	OD	Wall Thickness Standard
Inch	inch sizc	OD	SCH 5s	SCH 10S	SCH 10	SCH 20	SCH 30	SCH 40	SCH 60	SCH 80	SCH 100	SCH 120	SCH 140	SCH 160	STD	XS	XXS
1/8	DN6	10.3	-	1.24	-	-	-	1.73	-	2.42	-	-	-	-	1.73	2.41	-
1/4	DN8	13.7	-	1.65	-	-	-	2.24	-	3.02	-	-	-	-	2.24	3.02	-
3/8	DN10	17.1	-	1.65	-	-	-	2.31	-	3.2	-	-	-	-	2.31	3.20	-
1/2	DN15	21.3	1.65	2.11	-	-	-	2.77	-	3.73	-	-	-	4.78	2.77	3.73	7.47
3/4	DN20	26.7	1.65	2.11	-	-	-	2.87	-	3.91	-	-	-	5.56	2.87	3.91	7.82
1	DN25	33.4	1.65	2.77	-	-	-	3.38	-	4.55	-	-	-	6.35	3.38	4.55	9.09
1-1/4	DN32	42.2	1.65	2.77	-	-	-	3.56	-	4.85	-	-	-	6.35	3.58	4.85	9.70
1-1/2	DN40	48.3	1.65	2.77	-	-	-	3.68	-	5.05	-	-	-	7.14	3.68	5.08	10.15
2	DN50	60.3	1.65	2.77	-	-	-	3.91	-	5.54	-	-	-	8.74	3.91	5.54	11.07
2-1/2	DN65	73.0	2.11	3.05	-	-	-	5.16	-	7.01	-	-	-	9.53	5.16	7.01	14.02
3	DN80	88.9	2.11	3.05	-	-	-	5.49	-	7.62	-	-	-	11.13	5.49	7.52	15.24
3-1/2	DN90	101.6	2.11	3.05	-	-	-	5.74	-	8.08	-	-	-	-	5.74	8.08	-
4	DN100	114.3	2.11	3.05	-	-	-	6.02	-	8.58	-	11.13	-	13.49	6.02	8.56	17.12
5	DN125	141.3	2.77	3.4	-	-	-	6.55	-	9.53	-	12.70	-	15.88	6.55	9.53	18.05
6	DN150	168.3	2.77	3.4	-	-	-	7.11	-	10.97	-	14.27	-	18.26	7.11	10.97	21.95
8	DN200	219.1	2.77	3.76	-	6.35	7.04	8.18	10.31	12.70	15.09	18.26	20.62	23.01	8.18	12.70	22.23
10	DN250	273.1	3.40	4.19	-	6.35	7.8	9.27	12.70	15.09	18.26	21.44	25.4	28.58	9.27	12.70	25.40
12	DN300	323.9	3.96	4.57	-	6.35	8.38	10.31	14.27	17.48	21.44	25.4	28.58	33.32	9.35	12.70	25.40
14	DN350	355.6	3.96	4.78	6.35	7.92	9.53	11.13	15.09	19.05	23.83	27.79	31.75	35.71	9.53	12.70	-
16	DN400	406.4	4.19	4.78	6.35	7.92	9.53	12.70	16.66	21.44	26.19	30.96	36.53	40.49	9.53	12.70	-
18	DN450	457	4.19	4.78	6.35	7.92	11.13	14.27	19.05	23.83	29.36	34.93	39.67	45.24	9.53	12.70	-
20	DN500	508	4.78	5.54	6.35	9.53	12.70	15.09	20.62	26.19	32.54	38.1	44.45	50.01	9.53	12.70	-
22	DN550	559	4.78	5.54	6.35	9.53	12.70	-	22.23	28.58	34.93	41.28	47.63	53.98	9.53	12.70	-
24	DN600	610	5.54	6.35	6.35	9.53	14.27	17.48	24.61	30.96	38.89	46.02	52.37	59.54	9.53	12.70	-
26	DN650	660	-	-	7.92	12.7	-	-	-	-	-	-	-	-	9.53	12.70	-
28	DN700	711	-	-	7.92	12.7	15.88	-	-	-	-	-	-	-	9.53	12.70	-
30	DN750	762	6.35	7.92	7.92	12.7	15.88	-	-	-	-	-	-	-	9.53	12.70	-
32	DN800	813	-	-	7.92	12.7	15.88	17.48	-	-	-	-	-	-	9.53	12.70	-
34	DN850	864	-	-	7.92	12.7	15.88	17.48	-	-	-	-	-	-	9.53	12.70	-
36	DN900	914	-	-	7.92	12.7	15.88	19.05	-	-	-	-	-	-	9.53	12.70	-
38	DN950	965	-	-	-	-	-	-	-	-	-	-	-	-	9.53	12.70	-
40	DN1000	1015	-	-	-	-	-	-	-	-	-	-	-	-	9.53	12.70	-
42	DN1050	1067	-	-	-	-	-	-	-	-	-	-	-	-	9.53	12.70	-
44	DN1100	1118	-	-	-	-	-	-	-	-	-	-	-	-	9.53	12.70	-
46	DN1150	1188	-	-	-	-	-	-	-	-	-	-	-	-	9.53	12.70	-
48	DN1200	1219	-	-	-	-	-	-	-	-	-	-	-	-	9.53	12.70	-

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Erw Steel Pipe Production Process

High-frequency welded pipe is characterized by: welding speed, welding heat affected zone is small, welding on the workpiece can not clean, can be welded thin-walled tube, weldable metal tube.High-frequency welded pipe typical process: slitting - open-book - strip leveling - head and tail shear - strip butt welding - looper storage material - forming - welding - clear burr - sizing - testing - flying cut - Straightening - pipe processing - hydrostatic testing - flaw detection - printing and coating - finished products.

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Welded Carbon Steel pipe

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