... part,fasteners,hardware,spring,mechanical manufacture and so on Description ROUND ROD/ROUND BARMaterial JIS: SUP9,SUP9A,SUP10,SUP7,SUP12,SUP12V,SUP6,SUP7 ... ~0.370.80~1.10 Mechanical property GradeYield StrengthMpaStrength of ExtensionMpaElongation A%Reduction of Area Z% 60Si2Mn≥1175≥1275A11.3≥5≥25 ... 60CrMnA≥1075≥1225≥9≥20 50CrVA≥1125≥1275≥10≥40 ROUND ROD/ROUND BAR