Carbon Steel Pipe

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ERW Steel Pipe

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ERW Steel Pipe(Electric Resistance Welded Pipe), A53 ERW Pipe, ERW Carbon Steel Pipeerw pipe

Sizes: 

Out Diameter:1/2"-24"

Wall Thickness: 1.65-20mm

Length : 3-12m, or according to customer’s requirement
End : Plain End, Beveled End, Treaded


Standard:

ASTM 5L, ASTM A53, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217

Steel Grade:

API 5L: PSL1/PSL2  Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70
ASTM A53: GR.A, GR.B
EN: S275, S275JR, S355JRH, S355J2H

GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360-L555


Uses:
For ERW Line Pipe
For ERW Casing 

For ERW Structure Tube
For High pressure and high temperature


Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy,  Fusion Bond Epoxy, 3-layers PE)
Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test,  Hardness Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, NDT TEST ( ET TEST, RT TEST, UT TEST)


Small diameter erw steel pipe

Out diameter Sch 5 Sch 10 Sch 40
Inch mm Thickness Kg/mtr Thickness
Kg/mtr
Thickness
Kg/mtr
1/2" 21.3 1.65 0.81 2.11 1.01 2.77 1.29
3/4" 26.7 1.65
1.03 2.11 1.30 2.87 1.71
1" 33.4 1.65
1.31 2.77 2.12 3.38 2.54
1 1/4" 42.2 1.65
1.93 2.77 3.15 3.68 4.11
1 1/2" 48.3 1.65
1.93 2.77 3.15 3.68 4.11
2" 60.3 1.65
2.42 2.77 3.98 4.81 5.31
3" 88.9 2.11 4.58 3.05 6.54 5.49 11.45
3 1/2" 101.6 2.11 5.25 3.05 7.52 5.74 13.77
4" 114.3 2.11 5.25 3.05 7.52 5.74 13.77
5" 141.3 2.77 9.50 3.40 11.74 6.55 22.10
6" 168.3 2.77 11.47 3.40 14.04 7.11 28.68
8" 219.1 2.77 14.99 3.76 20.25 8.18 43.16

Large diameter erw steel pipe
OD WT
Inch mm 8 5/8"
219.1mm
10 3/4"
273.1mm
12 3/4"
325.0mm
14"
355.6mm
0.157 4.0







0.197 5.0







0.236 6.0







0.276 7.0







0.315 8.0







0.354 9.0







0.394 10.0







0.133 11.0







0.492 12.5







0.551 14.0







0.630 16.0







0.689 17.5







0.748 19.0







0.787 20.0









Large diameter erw steel pipe
OD WT
Inch mm 16"
406.4mm
18"
457.7mm
20"
508.0mm
24"
610mm
24 4/5"
630.0mm
0.157 4.0









0.197 5.0









0.236 6.0









0.276 7.0









0.315 8.0









0.354 9.0









0.394 10.0









0.133 11.0









0.492 12.5









0.551 14.0









0.630 16.0









0.689 17.5









0.748 19.0









0.787 20.0











ERW Pipe Manufacturering Process:

Straight seam high frequency welded pipe (ERW steel pipe) is formed by forming a hot-rolled coil through a forming machine. The skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the pipe blank. Pressure welding is carried out under the action of a squeeze roller. Realize production. Welded steel pipes have simple production process, high production efficiency, many varieties and specifications, and less equipment, but their general strength is lower than seamless steel pipes.


 

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