Ụzọ mgbochi okporo ụzọ W-Beam galvanized na-ekpo ọkụ maka nchekwa okporo ụzọ

Nkọwa dị mkpirikpi:

Ejiri ígwè Q345B siri ike rụọ ya, ihe mgbochi ụgbọ ala anyị nke galvanized na-egosipụta njedebe galvanized na-ekpo ọkụ, na-eme ka nguzogide corrosion pụrụ iche. Nhazi profaịlụ W-beam na-akwalite iguzosi ike n'ezi ihe nhazi, na-enweta ike mmetụta nke ọma iji belata mmebi ụgbọ ala yana chebe ndị ọrụ okporo ụzọ.