Cast iron bar grade EN-GJS-400-18/ EN-GJS-500-7/65-45-12/GGG50/FCD500/ are the idel raw material of hydraulic manifold, hydraulic power pack,hydraulic power station,cylinder blocks, hydraulic pistons, cylinder glands, pump bodies, damper pistons, valve bodies ,valve guides, rotors, spools.

High-precision cold-drawn steel tube is used for hydraulic cylinder and pneumatic cylinder, main raw material is 20#, 45#, Q355B, Q355D, 16Mn, 27SiMn, 40Cr, 42CrMo, 35CrMo, J55.

Cylinder tube ID:

Ø40-400mm, thickness: ≧5mm.

Standard confirm to:

GB/T3639-2009, GB/T8713,EN10305-1:2002, EN10305-2:2002, ASTM A519-2006,ASTM A513-2007.

Piston rod is an import part of hydraulic cylinder assy, main material CK45, 42CrMo4, 20MNV6, HY4520.