... ,41CrAlNi7,34CrAlNi7,B7,B16,F11,F12,F22,F5,F9,51Cr4. Carbon steel bar:Chinese Standard:20#,25#,35#,45#,50#,60#;Japan Standard ... /D heavy ≤2, thin ≤2.5 NameRound bar BrandTISCO,BAOSTEEL,CGXYSTEELMaterial GradeStainless steel, Alloy steel, Carbon steel. StandardANSI/ASTM/SUS/GB/DIN/EN/BSDiameterfrom 4mm ...