Cold Drawn Round Bar Diameter:4mm-80mm Lengh:According to customers' requirements Material:Q235,45#,40Cr,20# Standard:GB Cold Drawn Round BarMaterials: Q235, 45#, 40Cr, 20# Sizes: Ø4mm-80mmLengths: 4-9 Meter; other lengths can be customizedPacking: Standard export packing; other packing can be customizedSpecifications 1.material:SAE9254,SUP12V,55Cr3,55CrSi,60Si2CrVA,SUP6. 2.Size:D1.0 - D1000*L. 3 ...