Ka taea te wehewehe i te maitai ki te kowiri tira konupora, te kowiri waro me te kowiri waro. Ko te kowiri waro iti - he iti ake te ihirangi waro i te 0.25%; Ko te kowiri waro reo - te ihirangi waro i te nuinga o te 0.25 me te 0.60%; Ko te kowiri waro - he nui ake te ihirangi waro i te 0.60%.
Paerewa Tuarua: Ko taku whenua taiwan CNS paerewa te tohu S20C, Tiamana Din Paerewa Rauemi Paerewa 1.0402, Tiamana Din Paerewa Tika Tika CK22 / C22. British BS Pānga Tinana IC22, French Afnor Paerewa Kohikohia te Tau CC20, Italia Paerewa Tinana C22 / C21, Belgium NBN Paerewa Tumuaki Tumuaki F.112, American Ai / Se Paerewa Tika Kore Nama 1020, Japanese Jos Paerewa Tira Nama Nama S20c / S22c.
Whakahuatanga matū: Carbon C: 0.32 ~ 0.17 ~ 0.37 ~ 0.50.035 wickel:: ≤0.25 : Te kaha o te kaha o te kaha: ≥530 (54) te whakaputa kaha (MPA): ≥315 (32) Elkangasation δ5 (32): 55 Te paanga o te uaua Uara Uara αkv (J / CM²): ≥69 (7) Rahi Tauira: Ko te rahi o te tauira ≤197hb ko te 25mble mahi hangarau: GB699-1999
