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St52 honed tube for hydraulic cylinder

Quantity : 450000TONS   Price : FOB:800-1500USD/TON

FOB: 800-1500USD/TON MINIMUM ORDER: 5TONS OD: 40-400mm WT: 4-60 mm

st52 honed tube for hydraulic cylinder

Specifications

1.St52 hone tubes for hydraulic cylinder
2.High reputation
3.Golden supplier
4.OEM
5.Top Quality

st52 hone tubes for hydraulic cylinder

Honed Tube for Hydraulic Cylinder HONED TUBES FOR HYDRAULIC & PNEUMATIC CYLINDERS

1. MATERIAL SPECIFICATION AND REF. DOCUMENT

ST52,BK+S,DIN2391 OR Equivalent C20 CK45 S16MN 27SiMn 25Mn ST44 St52 SAE1026

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. STRAIGHTNES ≤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

Main Production Progress:

Raw material

Cold drawn

Heat treatment
BK+S

Honed & SRB

Packing

Location : South Garden Road,Liuyuan agency,Liaocheng Dongchangfu District., 252000 liaocheng,
Contact : Lily Fu Lily, 86 13561270108

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St52 honed tube for hydraulic cylinder

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