Gulf Core Trading & Maintenance, specialize in providing high-quality chrome shafts and honed tubes for a wide range of applications. Whether you need replacements, repairs, or upgrades.
Chrome Rod
The standard for hydraulic applications, offering excellent surface, optimal corrosion resistance, and competitive price.
INTERNATIONAL STANDARDS
EN 10083 : C45E
Werkstoff Nr. : 1.1191/1.1201
DIN : Ck45
STAS 500 : OLC45X
AFNOR-A36101-A35501 : 2C45-XC42H1-XC45-XC48H1
BS-1449-4360 : 080M46-060A47
UNI-7070 : C43-C46
JIS -G3106 : S45C -S48C
GOST-380-19281 : 45
AISI-SAE-ASTM : 1045
Steel grade : C45E (+N) (EN 10083)
Diameter range (metric) : 6 – 200 mm
Diameter range (imperial) : 1/4″ – 8″
Tolerance : ISO f7 (upon request: h7) (EN ISO 286-2)
Roundness : IT / 2
Standard length : – for Ø < 60 mm: 5600 – 6200 mm- for Ø ≥ 60 mm: 6500 – 7200 mm
Upon request: special lengths on all diameters
Surface roughness : Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm) (EN ISO 4287)Chrome layer thickness : < Ø20 mm: min. 15 µm≥ Ø20 mm: min. 20 µm Chrome layer hardness : min. 900 HV(0.1)
Straightness : ≤ Ø16 mm: max. 0.3 mm : 1000 mm> Ø16 mm: max. 0.2 mm : 1000 mm
Honed Tubes
Honed tube for hydraulic cylinders are obtained from high quality cold drawn tubes, available in a wide dimensional range, ranging from 40 mm ID to 250 mm ID
INTERNATIONAL STANDARDS
EN 10305-1: E355
Werkstoff Nr. : 1.0580
DIN 2391: St52-3
STAS: OL52-3
AFNOR: E36-4
BS : 4360-50D
UNI EN 10025: Fe510
JIS : SM490A
GOST 19281-89 :17G1S
AISI / SAE / ASTM: 1024
Quality specifications
Steel grade :E355 (EN 10305-1) / St52-3 (DIN 2391)
Heat treatment : +SR (EN 10305-1) / BK+S (DIN 2391)
Diameter range (metric) : from OD 40 x ID 30 mm to OD 300 x ID 250 mm(bigger dimensions: upon request)
Diameter range (imperial) : from OD 2″ x ID 1½” to OD 8″ x ID 7″(bigger dimensions: upon request)
Tolerance : ISO H8 (EN ISO 286-2)
Standard length : 6000 – 8000 mm for ID 70 mm7000 – 9000 mm for ID >75 mm(upon request: special lengths)
Surface finish (ID) : Ra ≤ 0.20 µm – skived and roller burnished tubeRa ≤ 0.40 µm – honed tube
Straightness : max. 1 mm : 1000 mm
Total deviation- tubes with length 6 m: max. 3.5 mm : length
– tubes with length > 6 m: for each metre over 6 m
the tolerance must be increased by 0.5 mm
Eccentricity : ≤ 10% according to the standard EN 10305-1
Roundness : within the limits of the ID tolerances
Our Services
1. Chrome Shaft Replacements:
o Our inventory includes chrome bars imported from Europe, ranging from diameters of 20mm to 200mm.
o Whether it’s for industrial machinery, marine equipment, or other applications, we have the right chrome shafts.
o Our skilled technicians ensure precise replacements, minimizing downtime for your operations.
2. Honed Tube Replacements:
o Honed tubes play a critical role in hydraulic systems, providing smooth surfaces for piston movement.
o We stock honed tubes with inner diameters up to 250mm.
o When your existing tubes wear out or need upgrading, count on us for efficient replacements.
3. Chrome plating : special cases