Hydraulic Cylinders



HYDRAULIC CYLINDERS

 

hydraulic-cylinders

Surya manufactures Hydraulic Cylinders to ISO specifications (ISO 6020 / 6022) & also to customer's specification. These include long stroke cylinders for material handling in tunnel furnaces, machine tool applications, broaching machines, presses, die casting machines, core pulling cylinders for aluminum die casting applications, paper mills, cold & hot steel rolling mills etc.

MATERIAL SPECIFICATIONS

Hydraulic cylinder tubes : HONED/SKIVED & ROLLER BURNISHED seamless tube as per DIN - 2391 conforming to the following specifications :

Material

: ST 52.3 BK + S

Tensile Strength

: 650 N/ Sq. mm

Elongation

: 10% or better

OD Tolerance

: As per DIN - 2391

Straightness

: 1: 2000mm or better

Surface Finish

: Burnished : 0.2 micron Ra (max)

Honed

: 0.4 micron Ra (max)
     

Hydraulic cylinder tubes : HONED/SKIVED & ROLLER BURNISHED seamless tube as per DIN - 2391 conforming to the following specifications :

Material

: CK 45

Tolerance

: ISO f 7

Chromium Thickness

: 20 microns on radii

Surface Roughness

: Ra ( max) 0.2 micron

Hardness

: Hv 0.1 / Hv 800 - 1000

Corrosion Resistance

: According to NSS ISO 3768 & ASS ISO 3769
     
     
 

hydraulic-cylinders

 

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