ERW Steel Pipe
ERW straight seam welded pipe, also known as "resistance welded straight seam welded pipe", ERW straight seam welded pipe is mainly divided into two forms: ERW AC welded steel pipe and ERW DC welded steel pipe. ERW straight seam welded pipes are divided into low frequency welding, medium frequency welding, super medium frequency welding and high frequency welding according to different frequencies. High-frequency welding is mainly used for the production of thin-walled steel pipes or ordinary-walled steel pipes. High-frequency welding is divided into contact welding and induction welding.
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ERW is a general term for resistance welded steel pipes. Straight seam high-frequency resistance welding pipe (Electric Resistance Welding, referred to as ERW). ERW is the first letter of the corresponding English word. Resistance welded steel pipes are divided into two forms: AC welded steel pipes and DC welded steel pipes.
| Product: | ERW (Electric Resistance Welded ) Steel Pipe, ERW Carbon Steel Pipe |
| Application: | Used for Oil/Gas/Water transmission,Machinery Manufacturing |
| Size: | OD: 21.3-660mm |
| WT: 1.0-20mm | |
| LENGTH: 3-12m, or according to customer's requirement | |
| Pipe Standard: | API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70 |
| ASTM A53: GR.A, GR.B, ASTM A500 JIS G3466 | |
| ASTM A252 ASTM A178 | |
| AN/NZS 1163 AN/NZS 1074 | |
| EN10219-1 EN10217-1,S275, S275JR, S355JRH, S355J2H |
Product Details of ERW steel pipe
Pipe end: square pipe end (straight cut, saw cut and welding torch cut),
Surface: Lightly oiled, hot-dip galvanized, electro-galvanized, black, bare surface, clear coat/anti-rust oil, protective coating (coal tar epoxy, fusion bonded epoxy, three-layer polyethylene).
Packaging Plastic plugs at both ends, hexagonal bales up to 2,000 kg, containing multiple steel straps. There are two tags on each bundle, wrapped in waterproof paper, PVC sleeve and burlap, with several steel straps, plastic cover.
Testing: chemical composition analysis, mechanical properties (ultimate tensile strength, yield strength, elongation), technical properties (flattening test, bending test, hardness test, impact test), appearance dimensional inspection, hydraulic test, non-destructive testing test (ENT test, RT test, UT test).
For ERW line pipe For ERW bushing
for ERW structural pipes
for high pressure and high temperature
Size
Out Diameter:21.3-660mm
Wall Thickness: 1.0-20mm
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,ASTM A500 JIS G3466
EN: S275, S275JR, S355JRH, S355J2H,EN10219-1 ,EN10217-1
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360-L555
Specification
|
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 |
Chemical Analysis and Mechanical Properties
|
Chemical Analysis and Mechanical Properties |
||||||||
|
Standard |
Class |
Grade |
Chemical Analysis(%) |
Mechanical Properties(min)(Mpa) |
||||
|
C |
Mn |
P |
S |
Tensile Strength |
Yield Strength |
|||
|
API 5L |
PSL1 |
B |
0.26 |
1.2 |
0.03 |
0.03 |
414 |
241 |
|
X42 |
0.26 |
1.3 |
0.03 |
0.03 |
414 |
290 |
||
|
X46 |
0.26 |
1.4 |
0.03 |
0.03 |
434 |
317 |
||
|
X52 |
0.26 |
1.4 |
0.03 |
0.03 |
455 |
359 |
||
|
X56 |
0.26 |
1.4 |
0.03 |
0.03 |
490 |
386 |
||
|
X60 |
0.26 |
1.4 |
0.03 |
0.03 |
517 |
414 |
||
|
X65 |
0.26 |
1.45 |
0.03 |
0.03 |
531 |
448 |
||
|
X70 |
0.26 |
1.65 |
0.03 |
0.03 |
565 |
483 |
||
|
PSL2 |
B |
0.22 |
1.2 |
0.025 |
0.015 |
414 |
241 |
|
|
X42 |
0.22 |
1.3 |
0.025 |
0.015 |
414 |
290 |
||
|
X46 |
0.22 |
1.4 |
0.025 |
0.015 |
434 |
317 |
||
|
X52 |
0.22 |
1.4 |
0.025 |
0.015 |
455 |
359 |
||
|
X56 |
0.22 |
1.4 |
0.025 |
0.015 |
490 |
386 |
||
|
X60 |
0.22 |
1.4 |
0.025 |
0.015 |
517 |
414 |
||
|
X65 |
0.22 |
1.45 |
0.025 |
0.015 |
531 |
448 |
||
|
X70 |
0.22 |
1.65 |
0.025 |
0.015 |
565 |
483 |
||
|
X80 |
0.22 |
1.85 |
0.025 |
0.015 |
621 |
552 |
||
GNEE ERW Pipe
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