Atụmatụ:
1.Obere carbon ígwè tubingna enweghị nkebibụ carbon ígwè nwere carbon ọdịnaya nke na-erughị 0.25%. A na-akpọkwa ya ígwè dị nro n'ihi ike ya dị ala, obere ike na ịdị nro.
2. Ọdịdị annealed nke obere carbon ígwè tubing na enweghị nkebi bụ ferrite na obere pearlite, nke nwere ike dị ala na ike siri ike, na ezigbo plasticity na ike.
3. Low carbon steel tubing na enweghị nkebi nwere ezigbo oyi formability na ike oyi kpụrụ site crimping, ekwe, stamping, wdg.
4. obere carbon ígwè tubing na enweghị nkebi nwere ezi weldability. Ọ dị mfe ịnakwere nhazi dị iche iche dị ka ịgha, ịgbado ọkụ na ịcha.

Ọgwụgwọ okpomọkụ:
Igwe ikuku carbon dị ala na enweghị nkebi nwere nnukwu ọchịchọ ịka nká, ma quenching na ịka nká, yana nrụrụ na ịka nká. Mgbe a na-eme ka ígwè ahụ dị mma site na okpomọkụ dị elu, carbon na nitrogen dị na ferrite na-ejupụta, na carbon na nitrogen dị na ígwè nwere ike iji nwayọọ nwayọọ na-etolite na okpomọkụ nkịtị, nke mere na ike na ike nke ígwè na-eme ka mma, na ductility. na ike na-agbada. A na-akpọ ihe omume a ịka nká. Igwe ikuku carbon dị ala nke nwere enweghị nkebi ga-enwe mmetụta ịka nká ọbụlagodi ma ọ bụrụ na emenyụghị ya. Nrụrụ nke obere carbon ígwè tubing na enweghị nkebi na-emepụta ọnụ ọgụgụ dị ukwuu nke dislocations. Atọm carbon na nitrogen dị na ferrite na-emekọrịta ihe n'ụzọ na-agbanwe agbanwe, na atom carbon na nitrogen na-agbakọta n'akụkụ ahịrị mgbapụ. Nchikota nke carbon na nitrogen atom na ahịrị dislocation ka a na-akpọ Cochrane gas mass (Kelly gas mass). Ọ na-abawanye ike na ike nke ígwè ma na-ebelata ductility na siri ike. A na-akpọ ihe omume a deformation ịka nká. Nrụrụ ịka nká na-emerụ ahụ na ductility na ike nke obere ígwè carbon karịa imenyụ ịka nká. Enwere isi ihe dị elu na nke ala pụtara ìhè n'okirikiri mgbanaka nke ígwè carbon dị ala. Site na ebe mkpụrụ nke elu ruo na njedebe nke ndọtị mkpụrụ, a na-akpọ eriri wrinkle n'elu n'elu ihe nlele ahụ n'ihi nrụrụ na-enweghị isi na-akpọ eriri Rydes. A na-ekpochapụ ọtụtụ akụkụ stamping. Enwere ụzọ abụọ iji gbochie ya. Ụzọ dị elu tupu nrụrụ aka, a na-etinye ígwè ahụ tupu oge eruo ma na-emepụta belt Rudes mgbe a na-agbanye ya, n'ihi ya, a ghaghị itinye nchara ahụ tupu oge eruo ogologo oge. Nke ọzọ bụ ịgbakwunye aluminom ma ọ bụ titanium na nchara iji mepụta ogige kwụsiri ike na nitrogen iji gbochie nrụrụ ịka nká site na nhazi nke ikuku Kodak.