Products

Pipes and Tubes

Chuan Kok stocks a full range of pipes, tubes and coils for hydraulic power, instrumentation and fluid-transfer systems — in stainless steel, hydraulic-grade carbon steel…

Overview

Chuan Kok stocks a full range of pipes, tubes and coils for hydraulic power, instrumentation and fluid-transfer systems — in stainless steel, hydraulic-grade carbon steel and copper. Material selection comes down to the operating pressure, the medium being carried and the corrosion environment, and our team can help you match the right grade, wall thickness and standard to your application.

Buying from Chuan Kok

Ex-stock in common OD/wall combinations; cut lengths and full bundles available. Mill certificates (EN 10204 3.1) supplied on request for traceability.

Standards & materials

  • Stainless tubes: ASTM A269 / A213 (TP316 / TP316L)
  • Stainless pipes: ASTM A312 (seamless & welded)
  • Hydraulic steel tubes: EN 10305-4 / DIN 2391 (ST37.4 / ST52)
  • Copper tubes: EN 12449 / ASTM B75

Typical applications

  • Hydraulic power lines on marine, offshore and mobile equipment
  • Instrumentation and impulse lines
  • Fuel, lubrication and cooling-water circuits
  • Pneumatic and low-pressure fluid transfer

About this range

For more information about the products that we have, please see below:

Stainless Steel Tubes

MaterialTP316 / TP316L
DimensionASTM A213 / A269 (A.W.)
FinishingANNEALED AND PICKLED (AP) / POLISHED 320 GRIT / BRIGHT ANNEALED
Size1/4" - 2" OD / 4MM - 60MM

Stainless Steel Pipes

MaterialTP316 / TP316L
DimensionASTM A312 / ASME SA312
FinishingANNEALED AND PICKLED (AP)
Size1/8” - 4”

Hydraulic Steel Tubes

MaterialE355 (ST52.4) / E235 (ST37.4)
DimensionDIN 2391/C (DIN EN 10305-1) / DIN 2445/2 (DIN EN 10305-4)
FinishingNBK (PHOSPHATE AND NORMALIZED)
Size1/4" - 2" OD / 4MM - 130MM

Copper Tubes

MaterialCOPPER
DimensionJIS H3300 C1220T / ASTM B88
FinishingPHOSPHORUS DEOXIDIZED
Size1/8"NB - 4"NB / 6MM - 54MM

Copper Coils

MaterialCOPPER
DimensionJIS H3300 C1220T
FinishingPHOSPHORUS DEOXIDIZED
Size1/4" - 3/4"OD / 6MM - 15MM

Walform Tubes

MaterialSTAINLESS STEEL SS316 / CARBON STEEL
DimensionDIN EN ISO 8434-1
Working Pressure250 BAR - 800 BAR
Size6MM - 42MM OD / 1MM - 6MM

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