N'ihi nsogbu isi ntabi ike nke na-eme site na nkwenye nke plastic, ewebilata ụgwọ nke stili.A na-echekwa ọbara ndi igwe egwuregwu n'ime obu ahia maka ụbọchi 15-20, ma ọ bụ asọpụrụ ya ka ọbara 100-200° Celsius maka oge ọfụụ.This whole process is called solution treatment after cold drawing. Ọ gbanwere nkwụsị dị elu nke ụlọ báà ébéèdì ala.The ultimate compressive strength of cold drawn seamless pipes has gradually increased, and the plastic deformation of seamless square pipes has decreased again. N'ihi ka ewebilata ogbenye stre thermal na usoro nchịkọta nke uche, e nwere ike iwe 'elastic mold foundation' nke usoro ọrụ mmepụta nke steeli na-enweghị isi ike Iwu.N'iji megharịa ike ịntaneetị ma chekwa stazi taịlụ na-enweghị mgbago, na-aka ụlọ ọrụ ma ọ bụ ụlọ ọrụ ndị dị ihe atụpụtara amamiihe, a na-eji ụkpọdụ a na-eji ọrụ nke isi na amamiihe a ma ọ bụ ụlọ ọrụ taịlụ a na-amasị ala mọọbụ ụlọ ọrụ steeli anwo-kabịrị isi n'elu karbon dịka ụfọdụ nk
A na-eji ọtụtụ nzipụta nke ụgbọelu steel square na-arụ ọrụ dịka pipelines maka njem nke mechanika nwụrụ agbata, dịka njem Ụgbọgbọ njem ike nke ala, Q345B square pipe-Q345B square steel pipe-Q345B square nke a na-eze tinyere nke square pipe-Shandong Dingyu Metal Materials Co., Ltd. Gas, ụgbọelu nke mbụ, mmiri na ụfọdụ tinyere,A na-eji píìtù kare nke nnukwu diameter bụ ka e mepụta akụkụ na akụkụ mechanik dịka ihe eji achọ mma ọgbọ Mmiri n'ala, éjīìsì ala, fréèmù bicikle na skọfọ́ìdì steeli e jiri rụọ ọrụ na njikọ a na-eme
