Hydraulic Cylinder Honed Tube
JW is a specialized Chinese manufacturer of honed tubes, offering high-precision products made from ST52, E355, SAE 4140, CK45, 42CrMo, Q345B and stainless steel materials etc.. With advanced production technology and strict quality control, our honed tubes deliver excellent surface finish and dimensional accuracy, making them ideal for hydraulic cylinder applications in industries like marine, aerospace, and heavy machinery.
Specifications
- Grade：ST52, Q345B, E355, SAE 4140, CK45, 42CrMo, stainless steel, alloy steel and special steel etc.
- Inside diameter from 38 to 1000mm (skiving tube ID max 500mm),
- Max length 20m.
- Straightness: 0.5 /1000
Tolerance EXT: DIN 2391
Tolerance INT: ISO H8
Roughness(Ra): 0.2 to 0.4µ - Type：cold drawing, normalizing treatment, honing or skiving.
Chemical Composisiton (%)
Si (Max) | Mn (Max) | C (Max) | P (Max.) | S (Max) |
0.55 | 1.60 | 0.22 | 0.025 | 0.025 |
Mechanical Properties
Tensile strength Min | Yield Point Min | Elongation Min |
630 N/mm2 | 560 N/mm2 | 10% |
Tolerance Chart
Production Workshop: Skiving machine, honing machine, boring and milling machine etc.
Quality Control: Raw Mateiral Inspection, In-process Inspection, First Article Inspection, Sampling Inspection, Final Inspection.
Inspection content including: dimension, ovality, straightness, roughness, chemical and mechanical test etc.
Product gallery: All of hydraulic cylinder honed tubes after final measured, marking ,oiled and caped at both ends, bundled with strip and parcel at outside
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