Ọkpụkpụ nchara na-enweghị nkenke bụ oyi na-adọta ma ọ bụ na-ekpo ọkụ mgbe a gwọchara ọkpọkọ nchara dị elu.Dị ka nkenke enweghị nkebi ígwè ọkpọkọ n'ime na n'èzí mgbidi nke na-abụghị oxidized oyi akwa nke nkenke enweghị nkebi ígwè ọkpọkọ, idi elu mgbali na-enweghị leakage, elu nkenke, elu imecha, oyi ekwe deformation, flaring, flattening enweghị cracks, wdg, bụ tumadi na-enweghị cracks, wdg. A na-eji emepụta pneumatic ma ọ bụ hydraulic akụrụngwa nke ngwaahịa, dị ka cylinders ma ọ bụ cylinders, nke na-enweghị nkebi tubes.Ngwakọta kemịkalụ kemịkalụ igwe anaghị agba nchara nke carbon C, silicon Si, manganese Mn, sọlfọ S, phosphorus P, chromium Cr.

Ọdịiche dị n'etiti ọkpọkọ nchara ziri ezi na ọkpọkọ nchara enweghị nkebi

1, isi atụmatụ nke enweghị nkebi ígwè ọkpọkọ bụ enweghị ịgbado ọkụ onuete, nwere ike idi ukwuu nrụgide.Ngwaahịa ahụ nwere ike ịdị oke ike dị ka nkedo ma ọ bụ akụkụ oyi adọtara.

2, nkenke ígwè ọkpọkọ na afọ ndị na-adịbeghị anya e nwere ngwaahịa, tumadi n'ime oghere, n'elu mgbidi size nwere a siri ike ndidi na roughness.

Njirimara nke nchara nchara nchara nkenke

1. Obere elu dayameta.

2. Elu nkenke nwere ike ime obere mmepụta ihe.

3. Oyi adọta okokụre elu nkenke, mma elu elu.

4. Tube cross-section mpaghara dị mgbagwoju anya.

5. Pipe arụmọrụ ka mma, ọzọ ok metal.