A na-anwale ígwè, gụnyere ihe ndị dị nchara, maka ịdị mma n'ụzọ dịgasị iche iche, gụnyere ule nkwụsịtụ, nyocha ike ọgwụgwụ, nyocha mkpakọ / ịgbagọ na ule mgbochi corrosion.Enwere ike ịmepụta ihe na ngwaahịa ndị yiri ya ma mepụta ya ozugbo iji nyochaa njirimara ngwaahịa ngwaahịa, nke nwere ike izere nlọghachi n'ihi àgwà na ịla n'iyi nke akụrụngwa.
Enwere ọtụtụ ụdị ígwè a na-ahụkarị.
Carbon ígwè
Carbon ígwè, nke a makwaara dị ka carbon ígwè, bụ ígwè-carbon alloy nwere carbon ọdịnaya (wc) nke na-erughị 2%.Na mgbakwunye na carbon, carbon steel na-enwekarị obere silicon, manganese, sọlfọ na phosphorus.
Enwere ike kewaa ígwè carbon n'ime ụzọ atọ: carbon structural steel, carbon tool steel na nchara arụrụ arụ n'efu.Carbon structural steel nwekwara ike kewaa n'ime ụdị abụọ nke structural ígwè maka ewu na igwe.
Dị ka carbon ọdịnaya nwere ike kewaa n'ime ala carbon ígwè (wc ≤ 0.25%), carbon ígwè (wc 0.25% ~ 0.6%) na elu carbon ígwè (wc> 0.6%).Dị ka phosphorus si kwuo, enwere ike kewaa ọdịnaya sọlfọ n'ime ígwè carbon nkịtị (nwere phosphorus, sọlfọ dị elu), carbon ígwè dị elu (nwere phosphorus, sọlfọ ala) na ígwè dị elu (nke nwere phosphorus, sọlfọ dị ala).
Ihe dị elu nke carbon carbon n'ozuzu carbon steel, nke siri ike na ike dị elu, ma plasticity na-ebelata.
Carbon structural steels
Nke a na ụdị ígwè tumadi iji hụ na n'ibu Njirimara, ya mere ọkwa ya na-egosipụta ya n'ibu Njirimara, na Q + nọmba, ebe "Q" n'ihi na mkpụrụ ebe "Qu" agwa nke Hanyu Pinyin mbụ, ọnụ ọgụgụ na-egosi mkpụrụ isi uru, dịka ọmụmaatụ, Q275 kwuru ebe mkpụrụ nke 275MPa.Ọ bụrụ na akara akara akara na mkpụrụedemede A, B, C, D, ọ pụtara na ogo ọkwa nchara dị iche, nwere ọnụọgụ S, P iji belata ogo nchara iji meziwanye.Ọ bụrụ na akara mkpụrụedemede "F" n'azụ ọkwa, ọ bụ nchara na-esi nri, nke akara "b" maka nchara nke ọkara, ọ bụghị akara "F" ma ọ bụ "b" maka nchara anọ.Dịka ọmụmaatụ, Q235-AF pụtara nchara na-esi esi A-ọkwa nke nwere ebe mkpụrụ nke 235 MPa, na Q235-c pụtara c-grade quiescent steel nwere ebe mkpụrụ nke 235 MPa.
A na-ejikarị ígwè arụ ọrụ carbon eme ihe na-enweghị ọgwụgwọ okpomọkụ yana n'ọnọdụ a na-enye ya ozugbo.Ọtụtụ mgbe Q195, Q215 na Q235 steels nwere obere akụkụ nke carbon, ezigbo ịgbado ọkụ, ezigbo plasticity na ike siri ike, nwere ike ụfọdụ, a na-atụgharịkarị n'ime efere dị mkpa, ogwe osisi, ọkpọkọ ígwè welded, wdg, eji na àkwà mmiri. ụlọ na ihe owuwu ndị ọzọ na imepụta rivets nkịtị, kposara, mkpụrụ na akụkụ ndị ọzọ.Q255 na Q275 steels nwere obere akụkụ dị elu nke carbon, ike dị elu, plasticity ka mma na ike siri ike, enwere ike ịgbanye ya, ma na-atụgharịkarị ha na-atụgharịkarị na ngalaba, ogwe na efere maka akụkụ nhazi na maka imepụta akụkụ dị mfe n'ibu. dị ka mkpanaka njikọ, gia, njikọ na ntụtụ.
Oge nzipu: Jan-31-2023