1. Usoro usoro:
N'ihi na alloy ọkpọkọ 'dị iche iche n'ichepụta usoro, ha na-ekewa n'ime na-ekpo ọkụ akpọrepu (extrusion) enweghị nkebi na oyi adọta (akpọrepu) Seamless abụọ.A na-ekewa ọkpọkọ oyi adọta (akpọrela) n'ime ọkpọkọ okirikiri na ọkpọkọ.
2. 15CrMo alloy tube Usoro nyocha usoro:
a.akpọrepu (extrusion enweghị nkebi): round tube perforation → kpo oku → atọ mpịakọta mpịakọta, mpịakọta ma ọ bụ extrusion → detached → size (ma ọ bụ ibelata) → jụrụ oyi → billet tube → ịgbatị → hydrostatic test (ma ọ bụ ule) → akara → nchekwa.b.oyi adọtara (akpọrela) ọkpọkọ nchara enweghị nkebi: gburugburu perforated tube → kpo oku → annealing → pickling → Isi mmanụ (ọla kọpa) → otutu ngafe oyi adọta (akpọrela) akara → nchekwa.
15CrMo alloy pipe bụ otu ụdị ọkpọkọ igwe anaghị agba nchara, yana arụmọrụ ya dị elu karịa nkezi nke tubes igwe anaghị agba nchara, n'ihi na nchara nwere Cr karịa n'ime.Ọ nwere ike iburu okpomọkụ dị elu, na corrosion dị mma karịa arụmọrụ ọkpọkọ ndị ọzọ na-enweghị ntụpọ, ya mere, alloy tube bụ ọtụtụ ebe na mmanụ ala, kemịkalụ, ọkụ eletrik, ọkụ ọkụ na ụlọ ọrụ ndị ọzọ.Uru asọmpi · Anyị nwere ike ịnye ọkpọkọ nkọwapụta pụrụ iche dịka arịrịọ ndị ahịa si dị.Anyị bụkwa onye nrụpụta, yabụ anyị nwere ike ịnye ngwaahịa ndị ahụ n'ikwekọ na ihe ị chọrọ ngwa ngwa.· Anyị ụlọ ọrụ nwere ọgaranya oru ike na elu mmepụta ngwá na achikota elu ule ngwá na usoro.