GR.70n Blaink ọbara maka ọkara na-agbaso ndị na-agba ọkụ ọkụ
A515 GR.70 na-eji ya na owuwu nke ndị na-ebu oke mmiri emebere iji guzogide nrụgide nke arịa, ndị na-efe efe na valves.
Kpọtụrụ anyịNweta ọnụahịa
Ekekọrịta:
Ndinaya
Ihe mejupụtara kemịkalụ nke A515 gru. Browlọ carbon nke carbon nke nwere (0.30 ruo 0.35), sulfuric (0.13 ruo 0.13)% dabere na akụrụngwa ha. Ngwongwo nke emebere gụnyere ọkpụrụkpụ sitere na 50 ruo 200mm, ike tensile sitere na MPA 485 ruo 620, na usoro ọ bụla sitere na 17% ruo 21%.
Njuputa
Ihe ndị ọzọ