◦ Ụkpụrụ mmejuputa iwu: GB/T1222-2007.
◦ Njupụta: 7.85 g / cm3.
• Ngwakọta kemịkalụ
◦ Carbon (C): 0.62% ~ 0.70%, na-enye ike isi na ike siri ike.
◦ Manganese (Mn): 0.90% ~ 1.20%, na-eme ka ike sie ike ma na-eme ka ike sie ike.
◦ Silicon (Si): 0.17% ~ 0.37%, na-emeziwanye nhazi nhazi na nhazi ọka.
◦ Phosphorus (P): ≤0.035%, sọlfọ (S) ≤0.035%, na-achịkwa nke ọma ọdịnaya adịghị ọcha.
◦ Chromium (Cr): ≤0.25%, nickel (Ni) ≤0.30%, ọla kọpa (Cu) ≤0.25%, Chọpụta ihe alloying, na-enyere aka melite arụmọrụ.
• Mechanical Njirimara
◦ Elu ike: The tensile ike σb bụ 825MPa ~ 925MPa, na ụfọdụ data dị n'elu 980MPa. Ọ nwere ikike ibu dị mma ma dabara adaba maka ọnọdụ nrụgide dị elu.
◦ Ngbanwe dị mma: Ọ nwere njedebe dị elu, nwere ike iguzogide nnukwu nrụrụ na-agbanwe agbanwe na-enweghị nrụrụ na-adịgide adịgide, ma nwee ike ịchekwa ma hapụ ike nke ọma.
◦ Isi ike dị elu: Mgbe ọgwụgwọ okpomọkụ gasịrị, ọ nwere ike iru HRC50 ma ọ bụ n'elu, na-eguzogide iyi dị ịrịba ama, nke kwesịrị ekwesị maka ọnọdụ ejiji.
◦ Isi ike dị mma: Mgbe a na-etinye ya n'ibu mmetụta, ọ nwere ike ịmịnye ụfọdụ ume na-enweghị mgbaji na-agbaji, nke na-eme ka ntụkwasị obi na ndụ ọrụ dị n'okpuru ọnọdụ mgbagwoju anya.
• Àgwà
◦ Elu siri ike: Manganese na-eme ka ike sie ike, dị mma maka ịmepụta isi iyi na akụkụ buru ibu nke nwere dayameta karịa 20mm.
◦ Ọdịdị dị ala nke decarburization elu: Ọdịdị elu ahụ kwụsiri ike n'oge ọgwụgwọ okpomọkụ, na-ebelata ihe ize ndụ nke ọdịda mbụ.
◦ Mmetụta oke ọkụ na iwe ọkụ: A ghaghị ịchịkwa okpomọkụ nke na-emenyụ ọkụ, a ghaghị izere okpomọkụ dị ọkụ n'oge okpomọkụ.
◦ Nrụ ọrụ nhazi dị mma: nwere ike ịmepụta na welded, kwesịrị ekwesị maka ịmepụta akụkụ dị mgbagwoju anya, ma plastic deformation oyi dị ala.
• nkọwa ọgwụgwọ okpomọkụ
◦ Quenching: Quenching okpomọkụ 830 ℃ ± 20 ℃, mmanụ jụrụ oyi.
◦ Tempering: Tempering okpomọkụ 540 ℃ ± 50 ℃, ± 30 ℃ mgbe mkpa pụrụ iche.
◦ Normalizing: Okpomọkụ 810 ± 10 ℃, ikuku jụrụ oyi.
• Mpaghara ngwa
◦ N'ichepụta oge opupu ihe ubi: dị ka isi iyi akwụkwọ mpempe akwụkwọ ụgbọ ala, isi iyi ihe na-awụ akpata oyi n'ahụ, mmiri valvụ, ahịhịa clutch, wdg.
◦ Mechanical akụkụ: enwere ike iji rụọ ọrụ dị elu, akụkụ dị elu dị ka gia, bearings, na pistons.
◦ Ịcha ngwá ọrụ na stamping nwụrụ: na-eji ike ya dị elu ma na-eyi nguzogide, enwere ike iji ya mepụta ngwá ọrụ ịkpụ, stamping nwụrụ, wdg.
◦ Ụlọ na àkwà mmiri: enwere ike iji mee ihe na-emepụta ihe ndị na-eme ka ikike ịmepụta ihe dị iche iche dị ka àkwà mmiri, nkwado ụlọ, wdg.
Oge nzipu: Jul-18-2025