Ferrous & Non-ferrous Alloy

1020/S20c Hydraulic Cylinder Steel Tube High Precision Cold drawn Seamless tube

?

honing/skiving tube has closer dimensional tolerances, better surface finish and higher mechanical properties than corresponding grades of hot finished seamless.

?

Application

High Precision Cold Drawned Seamless Steel Tube is used in automotive industry, and in the occasion where the high accuracy, brightness, cleanness of the tube are required.
1. Quality Standards: DIN 2391 Seamless Precison Steel Tubes
BS6323 Specification for Seamless and Welded Steel Tubes for Automobile, Mechanical and General Engineering Purposes

ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

?

2. Delivery Condition:?BKS, NBK, BK and BKW

?

Outer Diameter: 30-450 mm?

Wall Thickness:??2-40 mm

Length Random Length, Fixed Length, etc.

?

3.?Dimension tolerance:

- - - -
I.D tolerance (mm) | O.D tolerance (mm) | I.D Roughness (μm) | Straightness (mm/meter) |
H7-H9 | -/+0.5% | 0.10-0.80 | 0.2-0.80 |
- - - -
4. Chemical Composition(%):
- - - -
Grade | C | Si | Mn | P | S | Cr | Mo |
1020 | 0.18-0.25 | / | 0.30-0.60 | 0.040 max | 0.050 max | / | / |
- - - -

?

5. Our Services

Third Party inspection acceptable. such as SGS, BV etc.

Supplying financial support with usance L/C 180 days after B/L date.



Please feel free to contact us again if you have any further questions. We look forward to receiving an order from you.