Welded Steel Pipe

ERW Steel Pipe, A53 ERW Pipe, Electric Resistance Welded Pipe, ERW Welded Pipe

Welded Steel Pipe

ERW Steel Pipe, A53 ERW Pipe, Electric Resistance Welded Pipe, ERW Welded Pipe
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ERW Steel pipe

ERW Steel pipe

OD: 21.3mm -660mm


W.T: 1mm-20mm

LENGTH: 0.5mtr-22mtr

Standard: API5L, ASTM A53 GR.B, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217

ERW Steel Pipe


OD

21.3mm -660mm

W.T

1mm-20mm

LENGTH

0.5mtr-22mtr

Surface

Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement

Standard

API5L, ASTM A53 GR.B, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217; API SPEC 5L ISO 3183 GB/T 9711.1 GB/T 9711.2 GB/T 9711.3

Ends

Square Ends (straight cut, saw cut) Beveled Ends


ERW tube process

Precision welded tubes are manufactured by the High Frequency Induction Welding Process which is commonly known as ERW process. After slitting the small slits/coil in desired sizes, slit coils are transferred to Steel Tubes Manufacturing Mills. Coils are loaded on Pay off Reel and passed through looping cage then to series of forming rolls which bend the strip in tubular form with abutting edges.The abutting edges are then heated to the required Welding Temperature by means of High Frequency Induction The externally & internally Flash removed with the help of Scarfing Tools, then welded pipe passes through coolant tank and cooled. The pipe passes through sizing section where the outer dia is maintained & pipe straightened with the help of Turk Head. The required length is cut on cut off carriage on line without stopping the mill. The cut length pipe is rolled out on conveyor & stopped by stopper at end of Conveyor and ejected to the pipe collecting pockets.



                                                                  






ERW pipe specification sheet


DN

out diameter

thickness chart

A series

B series

Sch
5s

Sch
10s

Sch
20s

LG

Sch
20

Sch
30

STD

Sch
40

Sch
60

XS

Sch
80

Sch
100

Sch
120

Sch
140

Sch
180

32
40
50

42.4
48.3
60.3

38
45
57

1.6
1.6
1.6

2.8
2.8
2.8

3.2
3.2
3.6

-
-
-

-
-
3.2

-
-
-

-
-
-

3.6
3.6
4.0

-
-
-

-
-
-

5.0
5.0
5.6

-
-
-

-
-
-

-
-
-

6.3
7.1
8.8

65
80
90

76.1
88.9
101.6

76
89
-

2.0
2.0
2.0

3.0
3.0
3.0

3.6
4.0
4.0

-
-
-

4.5
4.5
4.5

-
-
-

-
-
-

5.0
5.6
5.6

-
-
-

-
-
-

7.1
8.0
8.0

-
-
-

-
-
-

-
-
-

10.0
11.0
12.5

100
125
150

114.3
139.7
168.3

108
133
159

2.0
2.9
2.9

3.0
3.4
3.4

4.0
5.0
5.0

-
-
-

5.0
5.0
5.6

-
-
-

-
-
-

5.9
6.3
7.1

-
-
-

-
-
-

8.8
10.0
11.0

-
-
-

11.0
12.5
14.2

-
-
-

14.2
16.0
17.5

200
250
300

219.1
273.0
323.9

219
273
325

2.9
3.6
4.0

4.0
4.0
4.5

6.3
6.3
6.3

-
-
-

6.3
6.3
6.3

7.1
8.0
8.8

-
-
-

8.0
8.8
10.0

10.0
12.5
14.2

-
-
-

12.5
16.0
17.5

16.0
17.5
22.2

17.5
22.2
25.0

20.0
25.0
28.0

22.2
28.0
32.0

350
400
450
500
550
600

355.6
406.4
457.0
508.0
559
610

377
426
478
529
-
630

4.0
4.0
4.0
5.0
5.0
5.6

5.0
5.0
5.0
5.6
5.6
6.3

-
-
-

8.0
8.0
8.0
8.0
8.0
8.0

8.0
8.0
8.0
10.0
-
-

10.0
10.0
11.0
12.5
-
-

10.0
10.0
10.0
10.0
10.0
10.0

11.0
12.5
14.2
16.0
-
17.5

16.0
17.5
20.0
20.0
-
-

13.0
13.0
13.0
13.0
13.0
13.0

20.0
22.2
25.0
28.0
30.0
32.0

25.8
28.5
30.0
32.0
-
-

28.0
30.0
36.0
40.0
-
-

32.0
36.0
40.0
45.0
-
-

36.0
40.0
45.0
50.0
-
-



erw pipe

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