Steel potest dividi in humilis ipsum ferro, medium ipsum ferro et altum ipsum ferro. Minimum Carbon Steel - Carbon contentus plerumque minus quam 0,25%; Medium Carbon Steel - Carbon contentus est fere inter 0,25 et 0.60%; High Carbon Steel - Carbon Content est plerumque maior quam 0,60%.
Effectus Latin: Patria Taiwan CNS Latin Steel Number S20c, German Latin Material Number 1.0402, German Latin Steel Number CK22 / C22. Britannia BS vexillum ferro numerus IC22, French Afnor Latin Number C20, Gallica NF Latin Steel Number C22, Sweden Latin Steel Number C20, Hispaniae Uni Latin Steel Number C20, Steel No. MXX, Jis S20c / S22C.
Chemical composition: Carbon C: 0.32～0.40 Silicon Si: 0.17～0.37 Manganese Mn: 0.50～0.80 Sulfur S: ≤0.035 Phosphorus P: ≤0.035 Chromium Cr: ≤0.25 Nickel Ni: ≤0.25 Copper Cu: ≤0.25 Fourth, mechanical properties : Tensile strength σb (MPa): ≥530 (LIV) Father Strenes OK (MPA): ≥315 (XXXII) Heldongation Δ5 (%): Rapidshare Vigily Area (J (J / C / ≤197HB Technical Size: GB699-1999
