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Seamless Honed Tubes Hydraulic Cylinder DIN 2391 ST52
- Tianjin Or Shanghai Port
- T/T
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Product Details
| Thickness | 4, 70 | Section Shape | Round | |
| Outer Diameter | 25 - 325 mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Hydraulic Pipe | |
| Technique | Cold Drawn | Certification | CE | |
| Surface Treatment | Other, Black paint | Special Pipe | Thick Wall Pipe | |
| Alloy Or Not | Non-alloy |
Product Description
Specifications
ST52 ST45 ST55 CK45 27SiMn 20Mn220 20Mn2OD Size Range:40 to 600mm
ID Size Range: 32 to 500mm
Max Length: 12 meters
HONED TUBES FOR HYDRAULIC & PNEUMATIC CYLINDERS
1. MATERIAL SPECIFICATION AND REF. DOCUMENT
ST52,BK+S,DIN2391 OR Equivalent
2. CHEMICAL COMPOSITION (%)
C (Max) Mn(Max) Si(Max) S(Max) P(Max)
0.22 1.6 0.5 0.035 0.035
3. MECHANICAL PROPERTIES
Elongation(Min) Y.S (Min.) UTS (Min.)
≥15 470 N/MM2 580 N/MM2
4. SUPPLY CONDITION
Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished
5. SURFACE ROUGHNESS
Ra = 0.4~0.8Micron
6. TOLERANCES ON INNER DIA
ISO H8
7.TOLERANCES ON WALL THICKNESS
≤ Dia120 +/-10 % of wall thickness
≥ Dia120 +/-10 % of wall thickness
8. STRAIGHTNESS
≤1 mm/M
9. OD TOLERANCE
≤ Dia 40 +/-0.2 mm
≥ Dia 40 ≤ Dia 100 +/-0.3mm
≥ Dia 100 +/-0.5mm
10. LENGTH AND CUT TOLERANCE
Length ≤ 500mm , +2mm
> 500mm ≤ 2000mm, +3mm
> 2000mm ≤ 5000mm, +5mm
> 2000mm ≤ 7000mm, +10mm
11. TUBE ENDS
Tube ends shall be cut nominally square to the axis and free from burs
12. APPEARANCE
Tube shall have a smooth internal and external surface consistent with cold working
process, tube inner surface should be free from rust, scratches and other surface
irregularities.
13. CERTIFICATION
Material certificates will be send to u if want.
14. PACKING
Anti rust oil to be applied on material and both ends closed by plastic cap and
bundled by steel strips,braiding parcel.
15. SCOPE
Hydraulic cylinder tube for swivel crane, injection machine and construction
machine application
Contact Us
- Liaocheng Xinglong Seamless Tube Manufacturing Co., Ltd.
- Contact nameGavin Hou Chat Now
- Phone86-635-8876876
- AddressNo.3 Taishan Road, Economic Development Zone, Liaocheng, Shandong
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