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26.05.2025

Enhancing Surface Quality of HFW Pipes by Adjusting Extrusion Roller Parameters

Abstract This study analyzes the causes of surface defects in high-frequency welded pipe billets, specifically, linear indentations and molten metal pits caused by the upper extrusion rollers. To address...
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Welded Steel Pipe
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SSAW, SAWH Steel Pipe, ASTM A53 Grade A, B, C, AWWA C200, 219-3500 MM
SSAW, SAWH Steel Pipe, ASTM A53 Grade A, B, C, AWWA C200, 219-3500 MM
ASTM A53, API 5L Straight Seam Steel Pipe, LSAW, EFW, ERW, HFW
ASTM A53, API 5L Straight Seam Steel Pipe, LSAW, EFW, ERW, HFW
API 5L ERW Steel Pipe, ASTM A53 GR. B, OD 114.3 - 457.2 MM
API 5L ERW Steel Pipe, ASTM A53 GR. B, OD 114.3 - 457.2 MM
Double Faced SSAW Pipe, OD 219-3500 MM, WT 6-25.4 MM
Double Faced SSAW Pipe, OD 219-3500 MM, WT 6-25.4 MM
SSAW Steel Pipe, Double Wire, API 5L X42-X80
SSAW Steel Pipe, Double Wire, API 5L X42-X80
API 5L GR.B LSAW Pipe, 30 Inch, DN750, 6 Meters, SCH 30, BE
API 5L GR.B LSAW Pipe, 30 Inch, DN750, 6 Meters, SCH 30, BE
LSAW Steel Pipe, API 5L GR.B, 42 Inch, 6 Meters, SCH 40, BE
LSAW Steel Pipe, API 5L GR.B, 42 Inch, 6 Meters, SCH 40, BE
LSAW Line Pipe, EN 10219, 20#, 45#, Q235, Q355, OD 1422.4 MM
LSAW Line Pipe, EN 10219, 20#, 45#, Q235, Q355, OD 1422.4 MM
ERW, HFI & HFW Steel Pipe, API 5L, 3-18 Meters, 4-26 Inch
ERW, HFI & HFW Steel Pipe, API 5L, 3-18 Meters, 4-26 Inch
API 5L X42-X80 Spiral Submerged Arc Welded Steel Pipe
API 5L X42-X80 Spiral Submerged Arc Welded Steel Pipe
ASTM A312 TP321 / TP321H Tube, Stainless Steel, Weld, 10 Mtr
ASTM A312 TP321 / TP321H Tube, Stainless Steel, Weld, 10 Mtr
API 5L Welded Pipes, ERW, EFW, LSAW, SSAW, 1/2 - 60 Inch
API 5L Welded Pipes, ERW, EFW, LSAW, SSAW, 1/2 - 60 Inch
API 5L GR.B ERW Pipe, ASTM A53, 20 Inch, 508 MM, 12 Meters
API 5L GR.B ERW Pipe, ASTM A53, 20 Inch, 508 MM, 12 Meters
API 5L GR X80, API 5L GR B ERW HFW Pipe, 1/2-48 Inch
API 5L GR X80, API 5L GR B ERW HFW Pipe, 1/2-48 Inch
DIN 30670 LSAW Pipe, API 5L PSL2, 18 Inch, DN450, OD 457 MM
DIN 30670 LSAW Pipe, API 5L PSL2, 18 Inch, DN450, OD 457 MM
30 Inch SSAW Pipe, DN750, API 5L Grade B, SCH. STD
30 Inch SSAW Pipe, DN750, API 5L Grade B, SCH. STD
ERW Pipe, ASTM A53 Grade B, API 5L Grade B, 6 Inch, BE End
ERW Pipe, ASTM A53 Grade B, API 5L Grade B, 6 Inch, BE End
ASME SB619 UNS N06022 Welded Pipe, HASTELLOY Alloy C22
ASME SB619 UNS N06022 Welded Pipe, HASTELLOY Alloy C22
ASTM A53 Grade A, B, C SSAW Pipe, API 5L, OD 219-3500 mm
ASTM A53 Grade A, B, C SSAW Pipe, API 5L, OD 219-3500 mm
ASTM A53 Grade A, B, C ERW Pipe, API 5L PS1, PSL2
ASTM A53 Grade A, B, C ERW Pipe, API 5L PS1, PSL2
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