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Cold drawn precision seamless tubes

ASTM A822-450 hydraulic pressure line tube



ASTM A822-450 (HPL tube) Tube mainly for Hydraulic and Pneumatic Pressure Lines

In NBK(Normalized) condition

Standard tube size

Outer Diameter: 1/8" (3.2mm)  to 3 1/2" (88.9mm)

Wall thicnkess: 0.035" (0.9mm)  to 0.134" (3.4mm)

Our manufacture size

Outer Diameter: 1/16" (1.6mm)  to 2" (50.8mm)

Wall thicnkess: 0.012" (0.3mm)  to 0.394" (10mm)


Pressure as per DIN2445


Certificates: according to EN 10204 3.1

Inspection Items include: Tensile stength, Yield stength, Elongation, Flattenging, Flaring

Chemical analysis

Eddy Current Test 100%, Size and surface checking 100%