40cr umuyoboro wicyuma

Ibisobanuro bigufi:

Ibisobanuro ku musaruro:

Diameter yo hanze y'umuyoboro w'icyuma 20-426

Urukuta rw'icyuma rufite uburebure bwa 20-426

Umuyoboro w'icyuma:

Ukurikije GB / T 3077-2008: ibigize imiti (igice kinini,%) C 0.37 ~ 0.44, Si 0.17 ~ 0.37, Mn 0.50 ~ 0.80, Cr0.80 ~ 1.10, Ni≤0.30.Properties Ibikoresho bya mashini】

Ingero yubusa (mm): 25

Kuvura ubushyuhe:

Kuzimya ubushyuhe bwa mbere (℃): 850;Coolant: Amavuta

Ubushyuhe bwa kabiri bwo kuzimya ubushyuhe (℃): -

Ubushyuhe bwo gushyushya ubushyuhe (℃): 520;Coolant: amazi, amavuta

Imbaraga zingana (σb / MPa): ≧ 980

Gutanga umusaruro (σs / MPa): ≧ 785

Kurambura nyuma yo kumena (δ5 /%): ≧ 9

Igipimo cyo kugabanya ibice (ψ /%): ≧ 45

Igikorwa cyo gukuramo ingaruka (Aku2 / J): ≧ 47

Gukomera kwa Brinell (HBS100 / 3000) (imiterere yubushyuhe bwo hejuru): ≦ 207