Ububo

Ihe: mmiri nchara (65mn, 60sie2mna), igwe anaghị agba nchara (30431l), igwe anaghị agba nchara (420)

Nkeji: puku iberibe

Hardsiness: HRC: 44-51, H: 435-530

Ọgwụ elu: Blasting

Ihe: Angenese ígwè (65mn, 1566)

Ihe ndị nwere: Ọ bụ ebe a na-eji carbon mmiri carbon na-ejikarị, nke nwere ike dị elu, nke nwere ike, na-esiri ike ma e jiri ya tụnyere steepụ 65. Dayameta siri ike dị mkpa bụ ihe na-adịkarị 30-50mm na mmiri na 16-32mm na mmanụ. Ọ nwere mmetụta dị ukwuu iji nwee oke iwe na ọmịiko na-ewe iwe iwe n'oge ọgwụgwọ, ma na-enwekarị ike ịgbawa mmiri n'oge mmiri. A na-ejikarị mmiri mmanụ. Achịcha mmiri kwesịrị ekwesị maka ngalaba nha dị ukwuu karịa 80. Mgbe ị na-ekpo ọkụ, ma na-ebelata plastity dị ala, na ịrụ ọrụ ịgbado ọkụ adịghị mma. A na-eji nchara a na-ejikarị ya mgbe ọ ga-eme ka ọ dị na ọkara. 3-16

Ihe mejupụtara kemịkal nke ihe (%): carbon: 0.62-0.70, silicon: 0.17-0.37, manganese: 0.90-1. 0.90

Phosphorus≤0.035, sọlfọ≤0.035, nickel≤0.25, Chromium≤0.25, ọla kọpa≤0.25