Din 2391-1 cold drawn honed seamless steel tube
Standard: din 2391-1
Materials: st35, st45, st52
Technical: cold-drawn seamless
Delivery condition: bk.Bkw, bk+s, gbk, nbk
Straightness: 0.5mm/1m max for tubes below 3m, 0.8mm/1m max for tubes between 3 to 6m, 1.2mm/1m for tubes above 6m
Technology: honed & srb(skived and roller burnished).
Application: used in the hydraulic cylinder of the heavy machinery, cranes, excavator and forklifts.