Standard: DIN2391-2
Materials: St45
Technical: cold-draw seamless
Delivery Condition:BK.BKW,Website:http://www.worldironsteel.com,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.
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