Product Catalog
Product Detailes:
Name: 4140 Hard Chrome Plated Bar
Place of Origin: China
Brand Name: Datong
Certification: ISO9001:2008
As a professional 4140 Hard Chrome Plated Bar manufacturer and supplier,Datong has been supplying and exporting 4140 Hard Chrome Bar for almost 20 years.
Hydraulic cylinder chrome piston rods widely used in hydraulic system with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, hydraulic machinery,hydraulic cutting machine, hydraulic equipment, hydraulic tubing, engineering machinery.If you are interested in our 4140 hard chrome plated bar welcome to contact us via cally@datong-hydraulic.com
Material: SAE4140, AISI4140, 42CRMO4, SCM440, SAE4130(25CrMo4), SAE4340(36CrNiMo4)
Heat treatment Type:1) Normal no heat 2)Q+T(Quenched+Tempered) 3)Induction Hardened
Diameter: Φ 6-800mm
Length: max 20 meters
Salt Spray Test： Passed as per request
Chrome layer: min 20/25/30/50 Micron or customized
Straightness: <= 0.5/1000
Roughness: Ra <= 0.4u
Hardness of the chrome layer:850 HV (min) – 1150 HV
Diameter tolerance: ISO f7/f8/f9/h8/h9 or as request
Protection: Anti-rust oil outside with hard board sleeve protection.
Packing: Wooden case
Delivery Condition
4140/4130/4340 Hard Chrome Piston Rod
4140/4130/4340 Quenched & Tempered (Q+T) Chrome Rod
4140/4130/4340 Induction Hardened Chrome Rod
4140/4130/4340 Q+T Induction Hardened Chrome Rod
HERE BELOW IS THE APPLICATION LIST OF THE 4140 4130 4340 HARD CHROME RODS:
- Hydraulic cylinders (chrome plated piston rods)
- Pneumatic cylinders / air cylinders (hydraulic cylinder piston rods)
- Guide rods for plastic manufacturing machine and hydraulic machinery
- Rollers for machines, such as packing machine rollers, printing machine rollers
- Shaft for machinery, such as Textile machinery center axle, Transport machinery center axle, etc.
- Ejector rods for injection molding machines
- Vibration absorbers and pistons for some industrial machinery.
WE ALSO PRODUCE:
Hollow Chrome Bar/ Hollow Bar/Hollow Piston Rod
We are able to offer best hard chrome rods and chrome bars for our customers. If you are interested in our hard chrome piston rod, chrome rod, chrome plated bars,welcome to contact us online or email to cally@datong-hydraulic.com.
Hardboard sleeve protection for each bar Wooden case+ steel belt
1.Extensive production experience: more than 20 years manufacturing experience for honed tube and chrome plated rod, in Australia, Thailand, Brazil, India, Iran, Indonesia, South Africa and other countries have long-term buyers.
2.Advanced production equipment: cold drawing machine, honing machine, skiving & roller burnishing machine, straightening machine, polishing machine, heat treatment furnace, grinding machine, etc. We have professional technicians do regular scheduled maintenance on these machines to guarantee them work well.
3.High quality raw material: our raw material mainly from some famous steel mills, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
4.High precision: Honed Tube, inside surface roughness 02-0.4 um, straightness max 0.5/1000, strict tolerance DIN2391 H8. Skived & Roller Burnished Tube, inside surface roughness under 0.2 um, straightness max 0.2/1000, strict tolerance DIN2391 H8. Chrome Plated Rod, chrome layer 10 micron to 100 micron, strict tolerance ISO f7.
5.Strict quality control: we have professional in-house QC to inspect all products. We will do Chemical Composition Test, Mechanical Property Test, Dimension Inspect, Roughness Test, Chrome Layer Test and other tests in need before delivery.
6.Safe packing: an-rust oil on tubes and rods before delivery. Plastic caps on both ends to protect tube inside surface. Then be packed with seaworthy package or in wooden case.