Specifications

s.r.b tube
Fast delivery
Non-standard sizes and made-to-order
Small min order quantity

s.r.b tube

Our Advantages:
·  Fast delivery
·  Non-standard sizes and made-to-order
·  Small min order quantity
·  Economical Pricing
·  Quality confirming to International Standards
·  Material Test Certificates for Quality Assurance
·  Technical Qualified After Sales
·  Excellent Delivery Conditions+89

s.r.b tube/ srb tube 1. ST52 DIN2391 Honed Tube 2. ID30-500mm WT3-40mm 3. BKS 4.Length 5-5.8M

s.r.b tube/ srb tube

Hydraulic Cylinder Honed Tube/Honed Tube/Burnished Tube      

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.

Our Machine CNC SKIVING AND ROLLER BURNISHING MACHINED ZTG-2560

Any Need or requirement , please feel free to contact us at any time.

SKYPE: judy_gao1108