shenzhen

Honed Tubes

High-Precision Honed Tubes

Our honed tubes are manufactured using high-quality steel grades and advanced honing processes to achieve excellent dimensional accuracy, surface finish, and straightness. These tubes are widely used in hydraulic cylinders and heavy-duty industrial applications where precision and durability are critical.

Material Grades

  • ST 52
  • Stainless Steel
  • Alloy Steel
  • Special Steel
2
1
3
6
5
4

GLOBAL EXPORT EXPERIENCE

Global Supply & Export Experience

We supply honed tubes to customers across Asia, the Middle East, Europe, and Australasia. Our products are trusted globally for consistent quality, tight tolerances, and compliance with international standards.

SIZE RANGE & TECHNICAL FEATURES

  • Inside Diameter: 40 mm – 1000 mm
  • Maximum Length: Up to 20 meters
  • Straightness: 0.5 / 1000
  • External Tolerance: DIN 2391
  • Internal Tolerance: ISO-H7 / ISO-H8 / ISO-H9
  • Surface Roughness (Ra): Max 0.4 μm
  • Impact Test: −20°C, 27 J (for special requirements)

TECHNICAL SPECIFICATIONS

Chemical Composition – ST 52 (%)

Element
Si (Max)
Mn (Max)
C (Max)
P (Max)
S (Max)
%
0.55
1.60
0.22
0.025
0.025

Mechanical Properties

Property
Tensile Strength Min
Yield Point Min
Elongation Min
Value
580 N/mm²
420 N/mm²
10%