Hollow Piston Rods, Hot Rolled Metal Hollow Rod For Industry 1000 - 8000mm Length

Hollow Piston Rods, Hot Rolled Metal Hollow Rod For Industry 1000 - 8000mm Length

 hot-rolled hollow rod

Detailed Product Description

1.Material:CK45

2.ISO9001:2008

3.Diameter:6~1000mm

4.length:1000~8000mm

5.Ground and chrome plated

Detailed Description

1.CHEMICAL COMPOSITION

2.MECHANCIAL PROPERTIES

3. SUPPLY CONDITION

    Ground  and  chrome plated 

4. CHROME THICKNESS

     20 to 30 micron

5. SURFACE ROUGHNESS

     Ra≤0.2 micron and  Rt≤2 micro

6. TOLERANCES ON DIA

    ISO f7 on the diameter

7.OVALITY

Half of the tolerance ISO f7

8. STRAIGHTNESS

   ≤0.2MM/M

9. SURFACE HARDNESS

   850-1150HV (vickers 100g)

10.COHESION

   No cracks,breaking or detachi