(Nke anọ: 2A12 aluminum alloy)

Ọbụna taa, akara 2A12 ka bụ ọmarịcha mbara igwe. Ọ nwere ike dị elu na plasticity na ọnọdụ ịka nká nke okike na nke artificial, na-eme ka a na-ejikarị ya eme ihe n'ichepụta ụgbọ elu. Enwere ike ịhazi ya ka ọ bụrụ ngwaahịa emechara nke ọma, dị ka efere dị mkpa, nnukwu efere, efere dị iche iche na-agbanwe agbanwe, yana ogwe dị iche iche, profaịlụ, ọkpọkọ, ọkpọkọ, na anwụ forgings, wdg.

Kemgbe 1957, China ejirila nke ọma mepụta 2A12 aluminum alloy nke ụlọ iji rụpụta ihe ndị na-ebu ibu nke ụdị ụgbọ elu dị iche iche, dị ka akpụkpọ anụ, okpokolo agba, nku nku, akụkụ ọkpụkpụ, na ihe ndị ọzọ. A na-ejikwa ya arụpụta ụfọdụ ihe na-adịghị ebu ibu.

Site na mmepe nke ụlọ ọrụ ụgbọ elu, ngwaahịa alloy na-abawanye mgbe niile. Ya mere, iji gboo mkpa nke ụdị ụgbọ elu ọhụrụ, efere na profaịlụ na steeti ịka nká, yana ụfọdụ nkọwa nke nnukwu efere maka enyemaka nchekasị, emepụtara nke ọma ma tinye ya maka ojiji.