Hydraulic Tubes

Hydraulic tubes for precision pressure lines and fluid power systems.

Kaizen supplies hydraulic tube ranges for systems where controlled OD/ID tolerance, clean bore quality, and dependable pressure performance are central to equipment reliability.

Precision cold drawn options Hydraulic and pneumatic lines Controlled bore and straightness
Material Standards

Hydraulic Tubes grades and material families.

Open the relevant section to review the common standards, grades, and service focus normally associated with this product category.

Carbon Steel Precision Tubes

  • Standards: DIN 2391 / EN 10305-4 / ASTM A519
  • Grades: E235, E355 and equivalent precision carbon steel tube ranges
  • Material Coverage: Precision carbon steel hydraulic tube for machine and power-pack use
  • Use Focus: Hydraulic lines, cylinders, and fluid power service

Stainless Hydraulic Tubes

  • Standards: ASTM A269 / A213
  • Grades: 304/304L, 316/316L and selected stainless service grades
  • Material Coverage: Stainless hydraulic tube for corrosion-sensitive fluid and control systems
  • Use Focus: Corrosion-sensitive hydraulic and instrument-hydraulic systems

Dimensional Control

  • Tolerance: OD, ID, and wall control remain important for ferrule and fitting compatibility
  • Condition: Cold drawn, annealed, or normalized supply depending on material family
  • Size Review: Tube dimension is aligned to pressure class, bend radius, and fitting selection
  • Execution: End capping and packing condition are reviewed before dispatch

Project Fit

  • Pressure Use: Final tube size is reviewed against working pressure and bending requirement
  • Testing: Hydrotest, eddy current, and PMI may be applied where relevant
  • Documents: MTC and traceability remain part of standard supply control
  • Coverage Note: Precision OD and wall combinations are chosen to suit hydraulic circuit demand
Material Overview

Hydraulic tube supply with pressure-focused detail.

Hydraulic tubes are used where dimensional precision, smooth internal flow path, and dependable performance under pressure cycling are important to the equipment package.

  • Tube dimension and wall are selected against operating pressure and fitting design.
  • Material family is matched to corrosion exposure and hydraulic media conditions.
  • Straightness, cleanliness, and end protection are reviewed prior to dispatch.
  • Packing is coordinated to reduce transit damage and preserve dimensional integrity.
Product Split

Primary hydraulic tube categories in our supply scope.

  • Precision carbon steel hydraulic tubes
  • Cold drawn seamless hydraulic tubes
  • Stainless hydraulic tubing
  • Pneumatic control line tubes
  • OEM-specific cut length hydraulic supply

Dimensional capability

Parameter Typical Range Notes
Outside diameter4 mm to 60 mmMetric and inch precision tube ranges can be reviewed
Wall thickness0.5 mm to 8 mmDepends on pressure class and bending requirement
LengthStraight and cut lengthsDelivered to fabrication or assembly need
TolerancePrecision OD and wall controlImportant for flare, ferrule, and fitting compatibility
ConditionCold drawn, normalized, annealedChosen to suit fluid power application
Inspection

Inspection and testing scope.

  • Dimensional and straightness inspection
  • Hydrostatic or pneumatic pressure testing where needed
  • Surface and bore cleanliness check
  • PMI for stainless or alloy scope
  • Mechanical and chemical review
Documentation

Documents reviewed before dispatch.

  • Mill test certificates
  • Pressure test records where specified
  • Dimensional report if required
  • Traceability and dispatch documents

Precision Focus

Hydraulic tubes are selected with close attention to OD, wall consistency, and fitting compatibility.

Handling Condition

Capped ends and careful packing help protect bore cleanliness and tube straightness during delivery.

Applications

Used in hydraulic skids, machine tools, mobile equipment, industrial automation, and pneumatic control systems.

RFQ Path

Send size, grade, quantity, and inspection requirement for hydraulic tubes.

Our team reviews product form, material grade, dimensions, testing scope, and delivery schedule before issuing the technical offer.

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