SRB Hydraulic Cylinder Tubes

Hydraulic Honed Tube Material: ST52,CK45,4140,SCM440,16Mn,42CrMo,E355,Stainless Steel 304/316,Duplex 2205,etc. Delivery Condition: BK, BK+S, GBK, NBK ID Size : 20mm – 1500mm Length: max 16m Type: Seamless, Hot Rolled, Cold Rolled, Cold Drawn Straightness: 0.5/1000mm max Roughness: 0.2-0.4 um Tolerance EXT: DIN2391, EN10305, GB/T 1619 Tolerance INT: H7,H8,H9 Protection: Anti-rust oil on inside and outside surface, plastic caps in both ends. Packing: Bundle with steel strip and PE sheet or wooden case