Manufacturer of Honed tube in Coimbatore.
Description
SEAMLESS COLD DRAWN HONED / BURNISHED CYLINDER TUBE ST52
MATERIAL SPECIDICATION AND REF.DOCUMENT
ST52, BK+S, DIN 2391
CHEMICAL COMPOSITION (%)
| C (Max) | Mn (Max) | Si (Max) | S (Max) | P (MAx) |
| 0.22 | 1.6 | 0.5 | 0.035 | 0.035 |
MECHANICAL PROPERTIES
| UTS (Min) | Y.S. (Mn) | % ELS.65 * A(Min) |
| > 600 MPa | >520 Mpa | >14 |
SUPPLY CONDITION
Cold Drawn Seamless Steel Tube, Stress Relieved and Honed or Skived roller Burnished.
STRAIGHTNESS
< 0.3 - 1.0/1000mm/M
OLD TOLERANCE
< Dia 40 +/-0.2mm
> Dia 40 > 100 + / -0.3mm
> Dia 100+ /0.5mm
LENGTH AND CUT TOLERANCE
Length < 500mm, +2mm
<500mm <2000mm, +3mm
<2000mm <5000mm, +5mm
<2000mm <7000mm, +10mm
TUBE ENDS
Tube Ends Shall be cut nominally square to the axis and free from burs
APPEARANCE
Tube Shall Have A Smooth Internal And External Surface Consistent With Cold Working Process,
Tube Inner Surface Should Be Free Rust, Scratches And Other Surface Irregularities.
CERTIFICATION
Material Certificates as per EN 10204/3. 1B
PACKING
Anti Rust Oil To Be Applied On Material And Both Ends Closed By Plastic Cap And Bundled By Steel Strips.
SCOPE
Hydraulic Cylinder Tube For Crane, Injection Machine And Construction Machine Application.