As a professional piston rod manufacturer and supplier, Gastac has been supplying and exporting gas spring chrome plate bar and hydraulic piston rod from China for almost 10 years, Any inquiries and problems please feel free to send emails to us via sales@gastac.com, we will reply you within 1 working day.
Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo, SS431, SS430, Stainless Steel 304/316/2205, etc.
Diameter:Φ 4-500mm
Length:max 20 meters
Chrome layer: min 20/25/30/50 Micron or customized
Hardness of the chrome layer:850 HV (min) – 1150 HV
Roughness:Ra <= 0.1
Straightness:<= 0.5/1000
Diameter tolerance: ISO f7/f8/f9/h8/h9 or as request
Roundness:Half of the tolerance ISO f7
Heat treatment Type:1) Normal no heat 2)Q+T(Quenched+Tempered) 3)Induction Hardened
Delivery condition:
Hard Chrome Piston Rod
Quenched & Tempered (Q+T) Rod
Induction Hardened Rod
Q+T Induction Hardened Rod
Corrosion resistance:
Test in natural salt spray according to ASTM B 117-96 hours.