Main producing equipments:

Cold Drawing Machine Honing Machine?Straightening Machine

Skving & Roller Burnishing Machine?Polishing Machine

Heat Treatment Furnace

Main test equipments:

Universal Testing Machine?Impact Testing Machine

Chemical Components Testing Machine

Dimension Inspect?Micrometer
Honed Tube for Hydraulic CylinderMaterial:ST52, CK45, 4140, STKM 13C, SAE1020, E355, A106B, Stainless Steel 304/316, Duplex 2205,etc.Delivery Condition:BK, BK+S, GBK, NBKID:20mm - 1500mmLength:max 13mType:Seamless, Cold DrawnStraightness:≤ 0.5/1000Roughness:0.2-0.4 uTolerance EXT:DIN2391, EN10305, GB/T 1619Tolerance INT:H7, H8, H9Protection:anti-rust oil on inside and outside surface, plastic caps in both ends.Packing:bundle with steel strip and knitting strip, or wooden case.