Naresh Steel & Engineering Co.

Material Specification And Ref. Document:Hydraulic Cylinder Seamless Pipes

• St52,Bk S,Din2391 Or Equivalent

Chemical Composition (%):Hydraulic Cylinder Seamless Pipes

• C (Max) Mn(Max) Si(Max) S(Max) P(Max)
• 0.22 1.6 0.5 0.035 0.035

Mechanical Properties:Hydraulic Cylinder Seamless Pipes

• Elongation(Min) Y.S (Min.) Uts (Min.)
• ≥15 470 N/Mm2 580 N/Mm2

Supply Condition:Hydraulic Cylinder Seamless Pipes

• Cold Drawn Seamless Steel Tube, Stress Relieved And Honed Or Skived Roller Burnished
• Surface Roughness
• Ra = 0.4~0.8Micron
• Tolerances On Inner Dia
• Iso H8 H9

Tolerances On Wall Thickness:Hydraulic Cylinder Seamless Pipes

• ≤ Dia120 /-10 % Of Wall Thickness
• ≥ Dia120 /-10 % Of Wall Thickness

Straightness:Hydraulic Cylinder Seamless Pipes
ube Ends:Hydraulic Cylinder Seamless Pipes

• Tube Ends Shall Be Cut Nominally Square To The Axis And Free From Burs

Appearance:Hydraulic Cylinder Seamless Pipes

• Tube Shall Have A Smooth Internal And External Surface Consistent With Cold Working
• Process, Tube Inner Surface Should Be Free From Rust, Scratches And Other Surface
• Irregularities.

Certification:Hydraulic Cylinder Seamless Pipes

• Material Certificates Will Be Send To You If Want.

Packing:Hydraulic Cylinder Seamless Pipes

• Anti Rust Oil To Be Applied On Material And Both Ends Closed By Plastic Cap And
• Bundled By Steel Strips,Braiding Parcel.

Scope:Hydraulic Cylinder Seamless Pipes

• Hydraulic Cylinder Tube For Swivel Crane, Injection Machine And Construction
• Machine Application.