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CARBON STEEL WELDED PIPE ERW WELDED STEEL PIPE SSAW WELDED STEEL PIPE LSAW WELDED STEEL PIPE

Short Description:

Keywords(pipe type):Carbon Steel Welded Pipe,Carbon Steel Pipe,Erw welded steel pipe,Ssaw welded steel pipe,Lsaw welded steel pipe

Size:Outer Diameter: 219.1mm – 4064mm (8″ – 160″),Wall Thickness: 3.2 mm – 40mm, Length: 6mtr-18mt

Certificate:BV, SGS,Lloyds ect

Surface:Lightly oiled, Hot dip galvanized, Electro-galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings

Standard & Grade:API 5L, ASTM A252, DIN2458, EN10025

Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Delivery:Delivery Time: Within 30 days and Depends on your order quantity

Payment:TT, LC , OA , D/P

Packing:Bare of Bundled or pvc packing or for the client’s requirement

Usage:For conveying gas, water and oil either in the oil or natural gas industries


Product Detail

Product Tags

Description

Butt-welded pipe is formed by feeding a hot steel plate through shapes that will roll it into a hollow circular shape. Forcibly squeezing the two ends of the plate together will produce a fused joint or seam. Figure 2.2 shows the steel plate as it begins the process of forming butt-welded pipe

Carbon Steel Welded Pipe  Description1

Least common of the three methods is spiral-welded pipe. Spiral-welded pipe is formed by twisting strips of metal into a spiral shape, similar to a barber’s pole, then welding where the edges join one another to form a seam. This type of pipe is restricted to piping systems using low pressures due to its thin walls. Figure 2.3 shows spiral-welded pipe as it appears before welding.

 

Carbon Steel Welded Pipe  Description2

 

Carbon Steel Welded Pipe  Description3

Each of the three methods for producing pipe has its advantages and disadvantages. Butt-welded pipe, for example, is formed from rolled plate that has a more uniform wall thickness and can be inspected for defects prior to forming and welding. This manufacturing method is particularly useful when thin walls and long lengths are needed. Because of the welded seam, however, there is always the possibility of defects that escape the numerous quality control checks performed during the manufacturing process.

As a result, the American National Standards Institute (ANSI) developed strict guidelines for the manufacture of pipe. Pressure Piping Code B31 was written to govern the manufacture of pipe. In particular, code B31.1.0 assigns a strength factor of 85% for rolled pipe, 60% for spiral-welded pipe, and 100% efficiency for seamless pipe.

Generally, wider wall thicknesses are produced by the seamless method. However, for the many low-pressure uses of pipe, the continuous welded method is the most economical. Seamless pipe is produced in single and double random lengths. Single random lengths vary from 16′-0″to 20′-0″. Pipes 2″and below are found in double random lengths measuring from 35′-0″to 40′-0″.

Specification

Carbon steel welded& seamless pipe dimensions and weights 

CARBON STEEL WELDED PIPE Specification1
CARBON STEEL WELDED PIPE Specification2
Carbon Pipe, Fittings and Flanges
Form Welded (ERW) and Seamless
Application Fluid, Structural
Size Range DN15 – DN600
Grades 250, 350
Wall Thickness Std Wt, XS
Fittings Type Butt weld, Screwed & socket, Flanges, Black and Galvanised fittings to EN10241 (BS 1740)
Fittings Shape Elbows, Tees, Reducers, Caps, Stub ends, Flanges (ANSI, Table E, D and H)
Processing Cut-to-length,

Standard

Specification sheet for straight welded pipe

Specification(mm) OD(outer diameter)  wall thickness weight
1/2 inch 21.25 2.75 1.26
3/4 inch 26.75 2.75 1.63
1 inch 33.3 3.25 2.42
11/4 inch 42.25 3.25 3.13
11/2 inch 48 3.5 3.84
2 inch 60 3.5 4.88
21/2 inch 75.5 3.75 6.64
3 inch 88.5 4.0 8.34
4 inch 114 4.0 10.85
5 inch 140 4.5 15.04
6 inch 165 4.5 17.81
8 inch 219 6 31.52

Specification table of folded spiral welded pipe

specification  wall thickness The weight per meter National standard water pressure value Nominal water pressure value specification  wall thickness The weight per mete National standard water pressure value Nominal water pressure value
219 6 32.02 9.7 7.7 720 6 106.15 3 2.3
  7 37.1 11.3 9   7 123.59 3.5 2.7
  8 42.13 12.9 10.3   8 140.97 4 3.1
273 6 40.01 7.7 6.2   9 158.31 4.5 3.5
  7 46.42 9 7.2   10 175.6 5 3.9
  8 52.78 10.3 8.3   12 210.02 6 4.7
325 6 47.7 6.5 5.2 820 7 140.85 3.1 2.4
  7 55.4 7.6 6.1   8 160.7 3.5 2.7
  8 63.04 8.7 6.9   9 180.5 4 3.1
377 6 55.4 5.7 4.5   10 200.26 4.4 3.4
  7 64.37 6.7 5.2   11 219.96 4.8 3.8
  8 73.3 7.6 6   12 239.62 5.3 4.1
  9 82.18 8.6 6.8 920 8 180.43 3.1 2.5
  10 91.01 - 7.5   9 202.7 3.5 2.8
426 6 62.25 5.1 4   10 224.92 3.9 3.1
  7 72.83 5.9 4.6   11 247.22 4.3 3.4
  8 82.97 6.8 5.3   12 269.21 4.7 3.7
  9 93.05 7.6 6 1020 8 200.16 2.8 2.2
  10 103.09 8.5 6.7   9 224.89 3.2 2.5
478 6 70.34 4.5 3.5   10 249.58 3.5 2.8
  7 81.81 5.3 4.1   11 274.22 3.9 3
  8 93.23 6 4.7   12 298.81 4.2 3.3
  9 104.6 6.8 5.3 1220 8 239.62 - 1.8
  10 115.92 7.5 5.9   10 298.9 3 2.3
529 6 77.89 4.1 3.2   11 328.47 3.2 2.5
  7 90.61 4.8 3.7   12 357.99 3.5 2.8
  8 103.29 5.4 4.3   13 387.46 3.8 3
  9 115.92 6.1 4.8 1420 10 348.23 2.8 2
  10 128.49 6.8 5.3   14 417.18 3.2 2.4
630 6 92.83 3.4 2.6 1620 12 476.37 2.9 2.1
  7 108.05 4 3.1   14 554.99 3.2 2.4
  8 123.22 4.6 3.6 1820 14 627.04 3.3 2.2
  9 138.33 5.1 4 2020 14 693.09 - 2
  10 153.4 5.7 4.5 2220 14 762.15 - 1.8

 

Painting & Coating

Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil,Protective Coatings

CARBON STEEL WELDED PIPE Painting & Coating

Packing & Loading

CARBON STEEL WELDED PIPE Packing & Loading4

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