Labaran - Rolled Karfe Gano: Babban filin masana'antar

A cikin tsarin masana'antu na zamani, shirye-shiryen ƙarfe da aka yi birgima sune kayan kwalliya, kuma bambancin samfuran da ke haifar da haɓakar masana'antar ƙasa. Abubuwa daban-daban na coils masu zafi da aka birgima suna taka rawar gani a fagen gini, makamashi, da dai sauransu tare da tsarin sunadarai na musamman da kaddarorinsu na musamman. Wadannan zasu maida hankali kan nazarin zane-zanen karfe mai cike da karfe tare da buƙatun kasuwa mafi girma da kuma manyan bambance-bambancen su.

Babban babban karfi: Q235B da SS400
Q235B is the most commonly used low-carbon structural steel in China, with a carbon content of about 0.12%-0.20%, and has good plasticity and welding properties. Yawan amfaninta shine ≥235mp335 kuma ana amfani dashi cikin FASAHA, GWAMNATI GASKIYA DA KYAU sassan na inji. A cikin masana'antar gine-gine, I-BIBSTS, Channels da sauran masu ƙarfe da aka yi da Q235B hot na 60%, tallafawa kwarangwal na birane.
SS400 babban karfe ne na halitta tare da ƙarfi mai kama da Q235b, amma ikon ɗaukar sulfur da ingancin phosphorus da mafi kyawun inganci. A cikin filin jigilar kaya, ss400 hot zafi coils ana amfani da shi sau da yawa don ƙwayoyin cuta. Rasurin raunin ruwa na ruwa ya fi bakin karfe carbon na talakawa, tabbatar da amincin teku.

Hot ya yi birgima karfe COIL - Groupungiyar Royal

Wakilai masu ƙarfi: Q345B da Q960
Q345B shine low-ƙarfi babban karfe tare da 1.0% -1.6% Manganese ƙara, kuma ƙarfi yawan amfanin ƙasa yana sama da 345pta. Idan aka kwatanta da Q235B, ƙarfinsa ya ƙaru da kusan 50%, yayin da ke riƙe kyakkyawar wutan. A cikin Injiniyyen gargajiya, kwaden kwarin gwiwa da aka yi da cututtukan karfe mai zafi na iya rage nauyi da 20%, rage farashin injiniya. A cikin 2023, gadar gini mai gina gida za ta cinye fiye da miliyan 12 na coils mai zafi, asusun 45% na fitowar wannan nau'in.
A matsayin wakili na yau da kullun na ƙarfin ƙarfe mai ƙarfi, Q960MPSA ta hanyar fasahar ƙwayoyin cuta (ƙara vanadium da sauran abubuwan colding da sarrafa kayan sanyaya. A cikin filin inikalina kayan inikerin inikaifin, ana iya yin kauri daga cikin kayan kwalliyar da aka yi da Q960 zafi ana iya raguwa da sau 3, wanda ke inganta haɓakar kayan aiki masu ɗaukar nauyi kamar ɓoyewa da cranes.

PLSchmark na musamman: SPHC da Saph340
SPHC babban samfurin ne a tsakanin hot-carbon low-carbon. Ta hanyar inganta tsarin mirgina don sarrafa girman hatsi, da orongation ya kai sama da 30%. A cikin masana'antar kayan aiki na gida, ana yin amfani da coils mai zafi don samarwa kayan gyarawa mai ɗorewa. Dalili mai zurfi yana tabbatar da cewa ƙimar ƙwararrun hadadden yanayin da ke haifar da 98%. A shekarar 2024, yawan amfani da shirye-shiryen SPHC-ya birgima a cikin kayan aikin gidan gida zasu karu da 15% shekara zuwa tan miliyan zuwa miliyan 3.2.
A matsayinsa na kayan ƙarfe, Saph340 ya cimma daidaito tsakanin ƙarfi da kuma tauri ta ƙara 0.15% -0 -0 -0 -0 -0 -0 -0 -0 -0 -0 -0 -0 -0 -0 -0 carbon da kuma gano carbon da kuma gano carbon. A cikin masana'antar sabon Framas na Motar Motocin Motsi, Sap40 ruwan sanyi mai zafi na iya tsayayya da nauyin mulufi na sama da 500pta da biyan bukatun wuraren walda. A cikin 2023, da yawan coils masu zafi na wannan nau'in da aka yi amfani da su a cikin motocin da ke cikin gida sun kai kashi 70% na tsarin tsarin batir.

Abin ƙwatanci	Yawan amfanin ƙasa (MPA)	Elongation (%)	Yanayin aikace-aikace na yau da kullun
Q235B	≥235	≥26	Tsarin gini, Janar Mement
Q345B	≥345	≥21	Gadoji, tasoshin matsin lamba
SPHC	≥275	≥30	Kayan aikin gida, sassan motoci
Q960	≥960	≥12	Injiniyan Injiniya, Kayan Aiki