Manufacturer of Hydraulic Precision Cylinder Tube in Coimbatore.

Hydraulic Precision Cylinder Tube

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.