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ISO Standard Honed Cylinder BKS Finished Cold Drawn Seamless Steel Tube

ISO Standard Honed Cylinder BKS Finished Cold Drawn Seamless Steel Tube photo-1
ISO Standard Honed Cylinder BKS Finished Cold Drawn Seamless Steel Tube photo-2
US$ 700 - 900 MOQ: 5 Metric Tons
Key Specifications
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Standard:
Thickness:
2, 30
Section Shape:
Round
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
Delivery time depends on order quantity.
Thickness 2, 30
Section Shape Round
Outer Diameter 30 - 250 mm
Place of Origin Shandong, China
Secondary Or Not Non-secondary
Application Hydraulic Pipe
Technique Cold Drawn
Certification Other, ISO9001:2008
Surface Treatment Other, honed/Surface polished
Alloy Or Not Non-alloy

Commodity name: ISO standard honed cylinder BKS finished cold drawn seamless steel tube

 

1.Grade: 20#(aisi1020,ck20),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn,27SiMn,42CrMO

 

2.ID:30-250mm

 

3.ID tolerance:H8,H9

 

4.Surface roughness:Ra 0.02— 0.4μm

 

5. Final supply condition:cold drawn and stress-relieved(BK+S

 

6. Machining allowance:0.5-1.5mm

 

7.Wall thickness:10%×ID

 

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

 

Variety 

Processing

Cylinder Diameter

Straightness

Size Accuracy

W.T/mm

Inner Bore Roughess

Cold drawn/

cold rolled

ID30-250

0.3

H9-H11

±10%

0.4~1.6um

Honed tube

ID50-250

0.3

H7-H9

±10%

<0.4um

Mechanics performance

Material

Tensile strength

Yield strength

Elongation

Hardness

Ck20/20#/AISI1020

>520 N/ mm2

>375 N/mm2

>15%

>85HB

Ck45/45#/AISI1045

>600 N/ mm2

>520 N/ mm2

>15%

>85HB

ST52/16Mn/Q345D

>600 N/ mm2

>520 N/ mm2

>15%

>85HB

25Mn/STKM 13C-T

>600 N/ mm2

>530 N/ mm2

>15%

>85HB

Dimension tolerance

ID size

ID deviation (mm)

H7

H8

H9

H10

30

+0.021

0

+0.033

0

+0.052

0

+0.084

0

>30~50

+0.025

0

+0.039

0

+0.062

0

+0.100

0

>50~80

+0.030

0

+0.046

0

+0.074

0

+0.120

0

>80~120

+0.035

0

+0.054

0

+0.087

0

+0.140

0

>120~180

+0.040

0

 

+0.063

0

+0.100

0

+0.160

0

>180~250

+0.046

0

+0.072

0

+0.115

0

+0.185

0

>250~315

+0.052

0

+0.081

0

+0.130

0

+0.210

0

>315~400

+0.0527

0

+0.089

0

+0.140

0

+0.230

Delivey conditions

  • Standard packing with plastic caps and strapped bundles.
  • Commercial length 2000~10500mm,custom lengths upon request
  • Surface protection

We can supply cold drawn steel pipe,honed tube,hydraulic pipe,hydraulic cylinder tube.

 

  • Pretreatment :  Acid cleaning- Parkerizing

ISO standard honed cylinder BKS finished cold drawn seamless steel tube
 

  • Cold drawn/cold rolled

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

  • Annealing furnace—— stress-relieving (+SR)

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

 

  • Straightener—— Straightening/ Leveling

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

  •  Straightness inspecting

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

  • Dimension inspecting

ISO standard honed cylinder BKS finished cold drawn seamless steel tube
  

  • Sawing off not good parts

 ISO standard honed cylinder BKS finished cold drawn seamless steel tube

  • Lathe

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

  • Surface Polishing

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

ISO standard honed cylinder BKS finished cold drawn seamless steel tube

  • Finished Products

 

ISO standard honed cylinder BKS finished cold drawn seamless steel tubeISO standard honed cylinder BKS finished cold drawn seamless steel tube

 

Any need or intrest, please feel free to contact us!

 

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Business Type
Manufacturer, Trading Company
Year Established
1992
Factory Size
10,000-30,000 square meters
Total Employees
51 - 100 People