Insimbi ingahlukaniswa ngensimbi ephansi yekhabhoni, insimbi yekhabhoni ephakathi nendawo nensimbi ephakeme yekhabhoni. I-Carbon yensimbi ephansi - okuqukethwe kwekhabhoni ngokuvamile kungaphansi kuka-0,25%; I-Medium Carbon - okuqukethwe kwekhabhoni ngokuvamile kuphakathi kuka-0.25 no-0.60%; I-carbon yensimbi ephezulu - okuqukethwe kwekhabhoni ngokuvamile kukhulu kune-0,60%.
I-Executive Standard: Izwe lami laseTaiwan CNS Constental Intrent Inombolo SP0C, isiJalimane Din Standard Material Inombolo engu-1.0402, isiJalimane Din Standard Steel Inombolo CK22 / C22. I-British BS Standard Intrent Incem22, i-French Afnor Standard Intrent Inombolo CC20, I-French NF Internet Intrensi C20 / C21, Inombolo yensimbi ejwayelekile yensimbi engu-C25-1, iSweden SS Standard Intrensi engu-1450, Spain Une Steel Cha. F..112, American Aisi / Sae Standard Steel No. 1020, Japan Jis Standard No. S20C / S22C.
Ukwakheka kwamakhemikhali: I-Carbon C: 0.32 ~ 0.40 salicon Si: 0.17 ~ 0.30 Manganese MN: 0.50 : Amandla weTensile σ-σ-σ-σ-(MPA): ≥530 (54) Amandla Amandla e-Res (MPA): ≥315 (32) Elengation Δ5 (%): ≥20 AreaShrinkage AKV (j): ≥ Inani elingu-55 elinomthelela bulukhuni íkv (J / CM²): ≥69 (7) Ubulukhuni: Ubukhulu besampula ka-Nonver ≤197HBB: Usayizi wesampula usayizi kazwelonke: GB699-1999
