Sabon ma'aunin gyaran karafa ya sauka kuma za a fara aiwatar da shi a hukumance a karshen watan Satumba

Sabuwar sigar ma'auni na ƙasa don Rebar GB 1499.2-2024 "karfe don ƙarfafa kankare sashi na 2: sandunan ƙarfe na ƙarfe mai zafi" za a aiwatar da shi bisa hukuma a ranar 25 ga Satumba, 2024

A cikin gajeren lokaci, aiwatar da sabon ma'auni yana da tasiri mai mahimmanci akan farashinrebarsamarwa da ciniki, amma a cikin dogon lokaci yana nuna cikakkiyar akidar jagora na ƙarshen manufofin don haɓaka ingancin samfuran cikin gida da haɓaka masana'antar ƙarfe zuwa tsakiyar da babban ƙarshen sarkar masana'antu.
I. Manya-manyan canje-canje a cikin sabon ma'auni: ingantaccen inganci da haɓakar tsari
Aiwatar da ma'auni na GB 1499.2-2024 ya kawo wasu muhimman sauye-sauye, wadanda aka tsara don inganta ingancin kayayyakin rebar, da kuma kawo ka'idojin rebar na kasar Sin daidai da ka'idojin kasa da kasa. Wadannan su ne manyan canje-canje guda hudu:

1. Sabon ma'auni yana ƙara ƙarfafa iyakokin haƙurin nauyi don rebar. Musamman, iyawar da aka yarda don 6-12 mm diamita rebar shine ± 5.5%, 14-20 mm + 4.5%, kuma 22-50 mm shine + 3.5%. Wannan canjin zai shafi kai tsaye samar da daidaito na rebar, yana buƙatar masana'antun don haɓaka matakin matakan samarwa da ikon sarrafa inganci.
2. Ga makin rebar masu ƙarfi kamarHRB500E, Saukewa: HRBF600Eda HRB600, sabon ma'aunin ya ba da umarnin yin amfani da tsarin gyaran ladle. Wannan buƙatun zai inganta inganci da kwanciyar hankali na waɗannan ƙarfin ƙarfi sosaisandunan karfe, da kuma kara inganta masana'antu zuwa alkiblar haɓakar ƙarfe mai ƙarfi.
3. Don takamaiman yanayin aikace-aikacen, sabon ma'aunin yana gabatar da buƙatun aikin gajiya. Wannan canjin zai inganta rayuwar sabis da amincin rebar a ƙarƙashin kaya masu ƙarfi, musamman ga gadoji, manyan gine-gine da sauran ayyukan tare da manyan buƙatu don aikin gajiya.
4. Ma'auni yana sabunta hanyoyin yin samfur da hanyoyin gwaji, gami da ƙari na gwajin lanƙwasawa na "E" rebar. Waɗannan canje-canje za su inganta daidaito da amincin gwajin inganci, amma kuma na iya ƙara farashin gwaji ga masana'antun.
Na biyu, tasiri akan farashin samarwa
Aiwatar da sabon ma'auni zai zama mai dacewa ga shugaban masana'antun samar da zaren don haɓaka ingancin samfur, haɓaka gasa kasuwa, amma kuma kawo farashi mai ƙima: bisa ga bincike, shugaban kamfanonin samar da ƙarfe daidai da sabon ma'auni. Farashin samar da samfur zai karu da kusan yuan 20/ton.
Na uku, tasirin kasuwa

Sabon ma'aunin zai inganta haɓakawa da aikace-aikacen samfuran ƙarfe mafi girma. Misali, sandunan ƙarfe 650 MPa ultra-high-ƙarfin girgizar ƙasa na iya samun ƙarin kulawa. Wannan motsi zai haifar da canje-canje a cikin haɗe-haɗen samfur da buƙatun kasuwa, wanda zai iya fifita waɗancan injinan ƙarfe waɗanda za su iya samar da kayan haɓaka.
Kamar yadda aka ɗaga ƙa'idodi, buƙatun kasuwa don ingantaccen rebar zai ƙaru. Kayayyakin da suka dace da sabbin ka'idoji na iya ba da umarnin farashi mai ƙima, wanda zai ƙarfafa kamfanoni don haɓaka ingancin samfur.