... Computer Controlled Electro-hydraulic servo universal testing machines (stand steel wire) is mainly designed for tension, compression, bend, shear ... metal bar, plate and threaded iron, or high speed wire rod, steel strand (related accessories required), tension on high ... drive speed (mm/min)340Compression Platens(mm)φ175Diameter of stranded steel wireφ6 -φ12, φ12 -φ21Round Sample Diameter (mm)φ ...