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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N80Q API 5CT Seamless Casing, 9-5/8 Inch, Ends Design BC

N80Q Seamless Casing, API 5CT, 4-1/2 Inch, EU/RD, Painted Treatment

Seamless Casing, API 5CT N80Q, 9-5/8 Inch, Range 3, 43.50 IB/FT, BC

API 5CT J55 Seamless Casing, Size 13-3/8 Inch, Range 3, 54.50 LB/FT

API SPEC 7-1 Drill Collar AISI 4145H 165.1*9.15mm

API SPEC 5DP Drill Collar AISI 4145H 158.8*9.15mm

API SPEC 5DP Hexagonal Kelly AISI 4145H 133.4*16.46mm

OCTG Casing Pipe, API Spec 5CT, Grade J55, LTC Thread Type

ASTM A269 Seamless Tubing, 12MMX6M, PE

OCTG Pipe Pup Joint, API 5CT, API 5DP

API 5DP Steel Drill Pipe, E75, X95, G105, S135

API Spec 5CT Steel Tubing Pipe, EUE 8RD, NUE 10RD

API 5CT OCTG Casing Pipe, Threaded End, R1, R2, R3

API SPEC 5DP Square Kelly AISI 4145H 133.4*16.46mm.

NC46 Heavy Weight Drill Pipe, AISI 4145H, 114.3*9.3mm, 21.45mm

OCTG Pipe Turbing Couplings, Thread, API 5CT

ASTM A105 Wing Ground Joint FIG400LP, 3000LB

ACME Wing Ground Joint FIG602LP, Hammer Union