... , Alloy steel, Carbon steel Size: 20-800mm Process:hot-rolled/forged/cold-drawn Shape:square/round Round bar Material: Stainless ... B7,B16,F11,F12,F22,F5,F9,51Cr4. Carbon steel bar:Chinese Standard:20#,25#,35#,45#, ... bar BrandTISCO,BAOSTEEL,CGXYSTEELMaterial GradeStainless steel, Alloy steel, Carbon steel. StandardANSI/ASTM/SUS/GB/DIN/EN/BSDiameterfrom 4mm ... -2.0%+0.8%, -1.8% 2013 High Quality Round bar