Isiqulatho
- · Amaxwebhu eeNgcebiso zoBunjineli
- · Isishwankathelo Esiqhelekileyo
- · Uhlaziyo oluPhambili loBugcisa
- · Itheyibhile yoLingano lweBanga
- · Uthelekiso loBugcisa (2017 vs. 2025)
- · Izicelo
- · Uluhlu lokujonga ukuthengwa kwempahla
- · Imibuzo ebuzwa qho
- · Ubuchule boMboneleli
- · Uxhaso lobuchwepheshe
I-GB/T 6728-2025 ithatha indawo yohlelo luka-2017 lwamacandelo angenanto akhiwe ngendlela ebandayo eTshayina, ingenisa iimfuno ezihlaziyiweyo zokwenza, ulawulo lomgangatho, kunye nokuthotyelwa komgangatho.
Iiprojekthi zamazwe ngamazwe zifuna uvavanyo lokulingana kwezinto eziphathekayo nemigangatho esetyenziswa kakhulu efana ne-EN 10219 kunye ne-ASTM A500. Esi sikhokelo sinika idatha yesalathiso sobunjineli enokukhutshelwa, uthelekiso lwamanqanaba esinyithi, kunye nemilinganiselo yokuhlolwa kobugcisa.
· Amaxwebhu eeNgcebiso zoBunjineli
Ukuze kube lula ukuphononongwa kokuthobela imithetho yobugcisa kunye nokuhlolwa koyilo, umgangatho osemthethweni wesinyithi solwakhiwo uyafumaneka ukuze uvavanywe ngobunjineli kwiinguqulelo ezininzi zeelwimi:
Umthombo Osemthethweni:[I-GBT-6728-2025-Inguqulelo-esemthethweni-yesiTshayina-esemgangathweni-yePDF]
Uhlelo lweelwimi ezimbini:[Isikhokelo se-GBT-6728-2025-seeNgxelo-zeelwimi ezimbini-zesiTshayina-zesiNgesi]
Uhlelo lwesiNgesi:[I-GBT-6728-2025-Inguqulelo-yesiNgesi-yeSakhiwo-seNtsimbi-esemgangathweni]
· Isishwankathelo Esiqhelekileyo
I-GB/T 6728 yakhutshwa okokuqala ngo-2017 njengomgangatho osisiseko weendawo ezingenanto ezakhiwe ngokubandayo eTshayina.
Inkqubo yokuhlaziya yaqala ngo-2023 ukuphucula ukuhambelana kokwenziwa kunye neenkqubo zokulawula umgangatho. I-GB/T 6728-2025 yapapashwa ngo-2025 kwaye iqala ukusebenza eTshayina ukususela nge-1 kaMatshi 2026.
· Uhlaziyo oluPhambili loBugcisa
Isakhelo esihlaziyiweyo sijongana nezinto ezithile zokusebenza kwentsimbi ukuze zihambelane ngcono neemfuno zokucubungula ngokuzenzekelayo zanamhlanje:
Iimfuno Eziphezulu Zokuchaneka:Yenzelwe ngokukodwa ukwenziwa okuzenzakalelayo kunye nemigca yokuwelda yerobhothi.
Ukuphuculwa kokuhambelana kwemilinganiselo:Inciphisa ukungalungelelani kwendibano kwizakhiwo eziziimodyuli nezilungisiweyo kwangaphambili.
Ukuhambelana kwedijithali:Ulungelelwaniso olungenamthungo nedatha ye-Building Information Modeling (BIM) kunye nemibhobho yokuvelisa yedijithali.
Ukhuseleko Lokugqwala Oluphuculweyo:Iikhrayitheriya zovavanyo lwe-hot-dip galvanizing eziphuculweyo kwiindawo ezishushu zangaphandle.
Ukuhlanganiswa Kwamazwe Ngamazwe:Ukuhlanganiswa okusondeleyo nemigangatho yesakhiwo sehlabathi ukuze kuncitshiswe ukungqubana kwezorhwebo.
· Itheyibhile yoLingano lweBanga
Umzekelo: Itafile yokubeka esemgangathweni
| Umgangatho | Ummandla | Uhlobo | Ingqwalasela yeSicelo |
| GB/T 6728-2025 | iTshayina | Icandelo elingenanto elidityanisiweyo elenziwe ngobandayo | Iiprojekthi zasekhaya + zokuthumela ngaphandle |
| iYurophu | Icandelo elingenanto elenziwe ngesakhiwo esibandayo | EPC / ulwakhiwo | |
| i-USA | Ityhubhu yentsimbi yekhabhoni eyenziwe ngobandayo | Ulwakhiwo lwentsimbi yesakhiwo |
Inqaku lobuchwephesha: Amanqanaba alinganayo aboniswe ngezantsi amele ukuhambelana kwepropathi yoomatshini kwaye akufuneki athathwe njengotshintsho oluthe ngqo lwezinto ngaphandle kophononongo lobunjineli.
| Umgangatho waseTshayina (GB/T 6728-2025) | I-European Equivalent (EN 10219) | I-US Equivalent (ASTM A500) | Amandla okuKhula (i-MPa) | Iimpawu zoMatshini kunye noBunjineli | Izicelo zeProjekthi eziqhelekileyo |
| Q235B | S235JRH | Ibanga A / B | ≥235 MPa | Umgangatho wesakhiwo semveliso esisiseko; kuqinisekiswe ukuba kukho iindlela ezisisiseko zokulayisha ezingashukumiyo. | Izakhiwo ezikhaphukhaphu, izakhiwo zokufakelwa kwelanga, kunye nezixhobo zokuxhasa zesibini. |
| Q355B | S355J0H | Ibanga B / C | ≥355 MPa | Isiseko samandla empembelelo esisemgangathweni se-0°C; sibhekisa kumthwalo oqhelekileyo wesakhiwo sehlabathi. | Iindawo zokugcina izinto, iindawo zokusebenzela zentsimbi, izityalo ezisele zenziwe kwangaphambili, kunye neendawo zokugcina izikhululo zeenqwelo-moya. |
| Q355D / Q355E | S355J2H / S355K2H | Ibanga C (Inkcazo ePhakamileyo) | ≥355 MPa | Ukusebenza kwempembelelo engaphantsi kobushushu obuphantsi okuqinisekisiweyo (-20°C / -40°C); kuyimfuneko kwiindlela eziguquguqukayo ze-sub-zero. | Iindawo ezinobushushu obuphantsi, iziseko zophuhliso zaselunxwemeni, amazibuko, iibhulorho, kunye nezibonelelo zaselunxwemeni. |
· Uthelekiso loBugcisa (2017 vs. 2025)
Kuphicotho lwamaxwebhu obuchwephesha, olu hlalutyo lokuthelekisa lubonisa uhlaziyo olubalulekileyo phakathi kweenkqubo eziqhelekileyo:
| Into yoBugcisa | GB/T 6728-2017 (Endala) | GB/T 6728-2025 (Entsha) | Umahluko oPhambili kunye neMpembelelo yoBunjineli |
| Ukucubungula ngeLaser | Ayifakwanga ngaphakathi kwekhowudi | Yongezwe ngokusemthethweni kunye neziseko ezithile | Iqinisekisa ukufaneleka kwezinto zokusika ngokuzenzekelayo ngesantya esiphezulu kunye nokulingana okuchanekileyo kwejometri. |
| Ukunyamezela Ubukhulu | Izibonelelo zemveli ezisekelwe kwibhetshi | Uhlu oluHlaziyiweyo lweSihlomelo B | Imisela umgangatho wemilinganiselo yobukhulu, ithintela iingozi zokunyamezelana okungalunganga kwizibalo zesakhiwo. |
| Uvavanyo lweGalvanizing | Ukuhlolwa okubonakalayo kunye nobunzima ngokubanzi | Imithetho yokuhlolwa kwakhona kweCandelo 8.3 elingqongqo | Igunyazisa ukuba kuvavanywe kwakhona ngendlela ecwangcisiweyo ukuphucula ukuthotyelwa kwe-QA yokuthintela ukugqwala ngaphandle. |
| Ukulandeleka kwedijithali | Amaphepha alinganiselweyo okanye angabhalwanga khowudi | Ukulandelela ibhetshi okucetyiswayo ngokucacileyo | Ikhuthaza ukuqinisekiswa ngokuzenzekelayo, okunciphisa ixesha lokuqinisekiswa koxwebhu ngexesha lokuhlolwa kwendawo. |
| Ulungelelwaniso lweHlabathi | Ukuhambelana okuphakathi kwehlabathi | Ukuphucula ukuhambelana ne-EN/ASTM | Ihambelana nemikhwa yovavanyo lwe-metallurgical lwehlabathi, inciphisa imiqobo yobugcisa kwiibhidi ze-EPC. |
· Izicelo
· Uluhlu lokujonga ukuthengwa kwempahla
Ngaphambi kokuba kugqitywe ii-odolo zokuthenga okanye ii-submittals, abaphathi bokuthenga kufuneka baqinisekise uluhlu lokuhlola lobunjineli olulandelayo ukuqinisekisa ukuba luhambelana neenkcukacha ezihlaziyiweyo:
Ubizo oluQhelekileyo:Qinisekisa ukuba amaphepha edatha yobugcisa okanye iiprojekthi ezithunyelweyo ziyahambelana nohlaziyoGB/T 6728-2025isakhelo.
Ingcaciso yeBanga leNtsimbi:Qinisekisa iindidi ezichanekileyo zebanga kunye neempawu zovavanyo lwempembelelo (umz., Q355B vs. Q355D) ngokusekelwe kwimida yobushushu.
Ukunyamezelana Okunemilinganiselo:Jonga ubungakanani be-Appendix B ngokuthelekisa neemfuno zenjineli yokwakha enelayisenisi yeprojekthi yakho.
Ukukhuthaza ukuThotyelwa kweMithetho:Qinisekisa ukuba iiparameter zokuhlolwa kwakhona kwe-hot-dip galvanized coating zihambelana nezigaba zeCandelo 8.3 ezihlaziyiweyo zezicelo zangaphandle.
Ukulandelelwa kunye noPhicotho:Qinisekisa ukuba umthengisi ubonelela ngeendlela eziqinileyo zokulandelela i-batch ukuze kube lula ukuphicothwa komgangatho weprojekthi.
·Imibuzo ebuzwa qho
Umbuzo 1: Ngaba umgangatho omdala we-GB/T 6728-2017 usasebenza kwi-active sourcing?
A: Ukuba iinkcukacha zeprojekthi zifuna ukuthotyelwa komgangatho wangaphambili we-GB/T 6728-2017, oku kufuneka kuchazwe ngokucacileyo kwangaphambili ngexesha lophando okanye izigaba zesivumelwano. Ngaphandle koko, imveliso yenziwa ngokuhambelana ne-GB/T 6728-2025.
Umbuzo 2: Ngaba i-EN 10219 ingawuthatha indawo ye-GB/T 6728-2025 ngokupheleleyo kuyilo lobunjineli?
A: Ukulingana kobunjineli phakathi kwe-GB/T 6728-2025 kunye ne-EN 10219 kufuna ukuqinisekiswa okusemthethweni yinjineli yesakhiwo seprojekthi ukuqinisekisa ukuthotyelwa kweekhowudi zoyilo lwengingqi kunye neemeko zokulayisha.
Umbuzo 3: Ngaba uhlobo lwentsimbi yaseTshayina i-Q355B lulingana ncakasana nohlobo lweYurophu i-S355?
A: Ziyafana kakhulu ngamandla okuvelisa aqhelekileyo, kodwa kukho umahluko omncinci malunga nemida yokwakheka kweekhemikhali, iimfuno zokuqina kwempembelelo kumaqondo obushushu athile enkonzo, kunye neendlela zokuqinisekisa ezisemgangathweni. Ukukhethwa kwezinto zokugqibela kunye neemfuno zokuthobela kufuneka zimiselwe ngokusekelwe kwiinkcukacha zeprojekthi kunye neekhowudi zoyilo ezifanelekileyo.
Umbuzo 4: Ngaba i-GB/T 6728-2025 igubungela umngxuma wesakhiwo ogqityiweyo ngobushushuamacandelo?
A: Hayi.I-GB/T 6728-2025 isebenza ngokukodwa kwiindawo ezingenanto ezidityanisiweyo ezenziwe ngokubandayo. Iiprofayili zesakhiwo ezigqityiweyo zishushu ziwela phantsi kwemigangatho yesizwe eyahlukileyo ngokupheleleyo.
· Ubuchule boMboneleli
Xa kukhethwa amaqabane okuvelisa amacandelo angenanto phantsi komgaqo-nkqubo we-GB/T 6728-2025, abaphathi bokuthenga kufuneka bavavanye ezi ndlela zilandelayo zomthengisi:
Ukuthatha inxaxheba okuqhelekileyo:Ngaba umenzi ukhe wabandakanyeka kwiingxoxo zobugcisa ezinxulumene nemigangatho yesizwe yecandelo elingenanto?
Amandla eMveliso:Ngaba umsi wokugaya ungamelana neemfuno ezinkulu zokwenziwa kobushushu obuphezulu ngaphandle kokuphazamisa ukuhambelana kwejometri?
Iinkqubo zokulandelelwa:Ngaba umthengisi unikezela ngezixhobo zokuqinisekisa ibhetshi eziqinileyo ukuze kube lula ukuvavanya indawo?
Izixhobo zoHlolo:Ngaba ubuchule bokuvavanya obutshabalalisayo nobungonakalisiyo ngaphakathi buqinisekisiwe ngokupheleleyo?
Amacandelo angenanto akhiweyo enziwe ngokuhambelana ne-GB/T 6728-2025, exhaswa ziinkqubo zolawulo lomgangatho wangaphakathi kunye nokulandeleka kwebhetshi kwizicelo ze-EPC zamazwe ngamazwe.Njengomthathi-nxaxheba okhutheleyo ekuqulunqweni nasekuxoxweni ngobugcisa ngemigangatho yesinyithi yesizwe saseTshayina,Tianjin Yuantai Derun Iqela lokuVelisa uMbhobhoiqinisekisa ukuba iiprofayili zayo ezidityanisiweyo ezisikwere, ezixande, nezingqukuva zizalisekisa ngokungqongqo umgangatho ophezulu, uvavanyo oluchanekileyo, kunye nemida yokunyamezelana esekwe phantsi komgaqo-nkqubo we-GB/T 6728-2025 ohlaziyiweyo.
· Uxhaso lobuchwepheshe
Amaxwebhu obuchwephesha, uhlalutyo lokulingana kwezinto, kunye nenkxaso yokutolika okusemgangathweni ziyafumaneka xa kuceliwe kwiimfuno ezithile zeprojekthi.
[ ✉️ Cela uXwebhu loBugcisa oluKhethekileyo kwiProjekthi kunye neNkxaso ]
⚠️Isikhanyeli soBugcisa:Nangona iiparameter zobugcisa, iireferensi ezisemgangathweni, kunye neeprofayili zezinto eziqinisekisiweyo zibonelelwa ngeenjongo zereferensi, asiboneleli ngezibalo zobunjineli besakhiwo kwiindlela ezithile zoyilo lweprojekthi. Ukuqinisekiswa kokugqibela kwesakhiwo, ukulinganisa umthwalo, kunye nokuvunywa kokhuseleko lwesicelo kufuneka kwenziwe kuphela yiNjineli yoBugcisa enelayisenisi yeprojekthi.
Ixesha leposi: Juni-23-2026
