BS3602 CFS 360 DIN 2391C ST37.4 ST52.4 NBK hydraulic steel tube feed line
Production range: OD from 3.75mm to 70mm, WT from 0.5mm to 8mm
HPL TUBES
Standards
TDR Standards
Steel Grades
Hydraulic and pneumatic pressure line tube: DIN2445, EN10305-4, ASTM A822-A450, SAE J524, BS3602,etc
Steel grade: ST37.4, ST52.4, E235, E355
Delivery conditions
NBK (+N) Normalized. After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
Surface treatment
1. Bare Tube (No coating): Bright and smooth
2. Surface Coating
A. Silver galvanized
B. Yellow galvanized
C. Olive green coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hours
3. Black phosphate |
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