Tšepe e ka aroloa ka tšepe e tlase ea k'habone, tšepe e mahareng ea k'habone le tšepe e phahameng ea carbon. Tšepe e tlaase ea carbon - litaba tsa carbon hangata li ka tlaase ho 0.25%; k'habone ea tšepe e mahareng - khabone ka kakaretso e pakeng tsa 0.25 le 0.60%; carbon steel e phahameng - dikahare tsa carbon hangata di feta 0.60%.
Tekanyetso ea tsamaiso: naha ea heso Taiwan CNS nomoro ea tšepe e tloaelehileng ea S20C, nomoro ea thepa e tloaelehileng ea Jeremane DIN 1.0402, nomoro ea tšepe ea Jeremane DIN CK22/C22. Nomoro ea tšepe ea Borithane ea BS IC22, nomoro ea tšepe ea Sefora AFNOR CC20, nomoro ea tšepe ea Sefora NF C22, nomoro ea tšepe ea Setaliana UNI C20/C21, Belgium NBN nomoro ea tšepe e tloaelehileng C25-1, Sweden SS nomoro ea tšepe ea 1450, Spain UNE tšepe e tloaelehileng No. F.112, American AISI / SAE tšepe e tloaelehileng No. 1020, Japanese JIS standard steel No. S20C/S22C.
Motsoako oa lik'hemik'hale: 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: ≤5 Cuel02.≤5 Copper02 th, thepa ea mechine : Tensile strength σb (MPa): ≥530 (54) Yield strength σs (MPa): ≥315 (32) Elongation δ5 (%): ≥20 Area shrinkage ψ (%): ≥45 Impact energy Akv ( J): ≥ 55 impact toughness value αkv (J/cm²): ≥69 (7) Hardness: unnheated ≤197HB Saese ea mohlala: saese ea sampole ke 25mm Ts'ebetso ea tekheniki Tekanyetso ea naha: GB699-1999
