Honed Tube/Seamless Hone Tube Grade: ST 52.3,DIN 2391,BK+S Metric size: O.D: 30 to 700mm, Max length 12m. Straightness: 0.5 -1.0/1000 Tolerance EXT: DIN 2391 Tolerance INT: ISO H8 ,H9 Roughness(Ra): 0.2 to 0.8 Micron Type:cold drawing...
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