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HFW Welded Pipes

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HFW Welded Pipes

HFW Welded Pipes

HFW (high-frequency welded) carbon steel pipes are produced by high-frequency electric resistance welding of steel strip, giving precise dimensions and high production capacity. Available in outside diameters from 2” to 16” (60.3 to 406.4 mm) and wall thicknesses from 2.1 to 12.7 mm, in API 5L, ASTM and EN grades.

CS Pipes

Applications:
HFW welded pipes provides high precision dimensions and high capacity production value, Hsw welded pipes are using

  • Oil, Natural Gas, Water lines
  • Flammable & nonflammable liquid conveyance and distribution pipelines
  • Steel structures for construction, general requirements

Standarts

Product Range

Outside Diameter: 2” – 16” / 60,3 mm – 406,4 mm
Wall Thickness: 0,083”-0,5” / 2,1mm-12,7mm
Unit Length: Max 16m

Material Grade

API 5L PSL 1: Gr A, Gr B, X 42, X 46, X 52, X 56, X 60, X 65, X 70
API 5L PSL 2: Gr B, X42 , X46 , X52 , X56 , X60 , X65 , X70 , X80
ASTM A 53: Gr A, Gr B
ASTM A252: GRADE1, GRADE2, GRADE3

Production Standarts

TS EN 10217-1(EN 10217-1): P 195 TR1, P 235 TR1, P 265 TR1, P 195 TR2, P 235 TR2, P 265 TR2
EN 10224: L 235, L 275, L 360
ISO3183-2015.2: L 245NB, L 290NB, L 360NB
GOST 20295: K34,K38,K42,K50,K52, and K55

Coating

Polyethylene: AWWA C 215, DIN 30670, NFA 49710, TS EN 10288, UNI 9099
Polypropylene: DIN 30678, NFA 49711
Solvent Free Epoxy: AWWA C 210, EN 10289, NFA 49709
Fusion-bonded Epoxy: AWWA C 213
Bitumen: DIN 30673, BS 534

Lining Standards

Epoxy: AWWA C 210, EN 10289, NFA 49709
Cement Mortar: AWWA C 205, DIN 2614, TS 8590, EN 10298
Fusion-bonded Epoxy: AWWA C 213

Tests

Non Destructive Tests

  • AUT Online Weld Inspection
  • First Visual Inspection Manual
  • Ultrasonic Inspection
  • Hydrostatic testing
  • Digital X-Ray Weld Inspection
  • Pipe End Magnetic Examination
  • Magnetic Particle Inspection Final Visual and Dimensional Inspection

Destructive Tests

  • Tensile Test Bending Test
  • Charpy V Notch Impact Test
  • Hardness Test
  • Macro and Micro Metallographic Examination
  • DWTT – Drop Weight Tear Test
  • Chemical Analysis Crack Tip Opening Displacement (CTOD) Test

Test Certificates

  • ISO 9712
  • ISO 11484
  • MTC according to EN10204/3.1

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