ISISHWANKATHELO sebhunga
Kwiiprojekthi ze-EPC zamazwe ngamazwe,EN 10219(iMigangatho yaseYurophu) kunyeI-SAC GB/T 6728(i-Chinese Standard) ichaza iindawo ezingenanto ezidityanisiweyo ezakhiwe ngokubandayo (I-RHS, i-SHS, i-CHSNgelixaS355JRisebenza njengeyona nto iphambiliumgangatho olingana nowesiTshayina kwi-Q355BNgenxa yokuba zilingana ne-355 MPa, ukuvunywa ngabacebisi beprojekthi kuxhomekeke kakhulu kwiikhemikhali eziqinisekisiweyo,I-EN 10204 3.1 MTCukulandeleka kwesakhiwo, kunye nokuthobelaEN 1993 (i-Eurocode 3)Njengeyona iphambili eTshayinaumthengisi wecandelo elingenanto elinolwakhiwo, Iqela leYuantai Deruninika uhlalutyo olupheleleyo olusekelwe kwidatha lweeyantlukwano ezi-5 ezibalulekileyo zokuthengwa kwempahla ezingezantsi ukukunceda ukwazi ukuhambisa izinto ezisemgangathweni ophezulu kwaye uphucule uhlahlo lwabiwo-mali lwakho.
[Uhlaziyo oluqhelekileyo lwamva nje]I-China ihlaziye ngokusesikweni umgangatho wayo wokwakha ubanda ukuzeGB/T 6728-2025Ukuze uphonononge indlela olu hlaziyo lwamva nje lwe-metallurgical kunye nokunyamezelana oluchaphazela ngayo uyilo lwakho lwangoku lobunjineli xa luthelekiswa nemigangatho yaseYurophu, funda uhlalutyo lwethu olukhethekileyo apha:Isikhokelo sokukhuphela kunye nokuthelekisa iPDF se-GB/T 6728-2025.
Kwibhidi zeprojekthi ezisebenzayo, ungangenisa iBill of Materials yakho (BOM) ngqo kwidesika yethu yorhwebo engezantsi ukuze ufumane uvavanyo oluhambelanayo.
1. Isakhelo soLawulo: EN 10219 vs GB/T 6728 Umahluko kwiZivumelwano zeHlabathi
Ukuqonda umda ochanekileyo wolawulo kunye negunya lolwakhiwo lwe-Umahluko we-EN 10219 vs GB/T 6728Kubalulekile ukuthintela ukwaliwa kokuthobela imithetho ngexesha lokuhlolwa kweeprojekthi zamazwe ngamazwe.
I-CEN EN 10219:Icacisa iimeko zobuchwephesha zokuhanjiswa kweeprofayili zesakhiwo ezidityanisiweyo ezenziwe ngokubandayo. Lo mgangatho uyimfuneko ngokukodwa kuyilo lwesakhiwo olubalwe phantsiEN 1993 (i-Eurocode 3).
I-SAC GB/T 6728:Icacisa ubukhulu, imilo, ubunzima, kunye nokuphambuka okuvumelekileyo ngaphakathi kwesakhelo somgangatho wesizwe saseTshayina kwizicelo zesakhiwo okanye zokuthwala umthwalo ngokubanzi.
Nangona zombini ezi migangatho zilawula iiprofayili ezilinganayo ngokwesakhiwo, zikhonza iinkqubo ezahlukeneyo ze-ecosystems zeprojekthi. Kwiziseko zophuhliso zikamasipala ezixhaswa ngemali karhulumente okanye ngezemali zaseYurophu, i-EN 10219 ayiqhelekanga ukuxoxiswana ngayo ngenxa yemithetho yokhuseleko lwengingqi. Nangona kunjalo, kwizakhiwo zoshishino eziqhutywa yi-EPC zehlabathi, izakhiwo ezenziwe kwangaphambili, kunye neefreyimu zokufakelwa kwelanga ezisetyenziswa kakhulu, i-GB/T 6728 iyamkelwa rhoqo ngokutshintshwa kobugcisa.
Njengenkampani ehamba phambili kwihlabathi liphelaUmboneleli we-RHS SHS we-EPCiiprojekthi, iYuantai Derun Group iphatha imveliso yonyaka yeIitoni ezili-10 lezigidi, ukuqinisekisa ukuba nayiphi na imigangatho emiselweyo kwisivumelwano sakho, imiqathango yakho yobuchwephesha yokuhambisa izinto iyafezekiswa ngokupheleleyo.
2. Ukulingana kweSigaba seNsimbi: Iipropati zeMechanical ezilinganayo ze-Q355B vs S355JR
Eyona ndawo ixhaphakileyo yokungqubana ngexesha lokungeniswa kwemigangatho enqamlezileyo kukuchongaI-Q355B xa ithelekiswa ne-S355JR elinganayomatrix. Kwimodeli yolwakhiwo,Q355Bihlaziywe rhoqo njengesiseko esilinganayo nesaseYurophuS355JR.
Itheyibhile yeeNgcebiso zoBugcisa: IiParamitha zoBugcisa kunye neMida yeeKhemikhali
Ukuze kufunyanwe imvume yeengcali zesakhiwo, amaqela okuthenga kufuneka avavanye iiparameters ezichanekileyo zeekhemikhali kunye nezoomatshini ezichazwe yimigangatho efanelekileyo (yobukhulu obuqhelekileyo ≤16mm:
| Isalathisi soBugcisa kunye neParamitha | I-CEN EN 10219-2 (S355JR) | I-SAC GB/T 6728 (Q355B) | Utshintsho olubalulekileyo loBunjineli kunye nokuqwalaselwa |
| Amandla Okuvelisa (Isivuno) | ≥ 355 MPa | ≥355 MPa | Zombini zabelana ngomlinganiselo ochanekileyo wokubala umthwalo wesakhiwo. |
| Amandla okuThanda (ukuThanda) | 470 – 630 MPa | 470 – 630 MPa | Uluhlu lwamandla okuqina olupheleleyo lufana ngokupheleleyo. |
| Ukwandiswa kwe-Fracture (A)l) | ≥20% (Ixesha elide) | ≥22% (Ixesha elide) | I-GB/T 6728 ichaza ipharamitha ye-ductility ephezulu kancinci. |
| Amandla empembelelo (Impembelelo) | ≥ 27 J @ +20℃ | ≥ 34 J @ +20℃ | Umahluko obalulekileyo:I-GB/T 6728 Q355B inyanzelisa ukufunxwa kwamandla aphezulu kubushushu begumbi. Kwizicelo ezingaphantsi kwe-zero, amanqanaba kufuneka aphuculwe abeS355J2(≥27J) okanyeQ355D(≥34J) kwi -20°C. |
| Ubuninzi beCarbon Umxholo (ubuninzi beC) | ≤0.22% | ≤0.24% | I-EN 10219 igcina uthintelo oluncinci kwi-carbon ye-metallurgical esisiseko. |
| Ubukhulu beLadle Carbon Equivalent (CEV) | ≤0.45% | Ngokubanzi ayinyanzelekanga (kuxhomekeke kwisivumelwano) | Umgibe woBugcisa:I-EN 10219 iyalela i-CEV 0.45% ukuqinisekisa ukudityaniswa kwindawo, kubalwe ngale ndlela ilandelayo: Xa betshintsha i-GB/T 6728, abathengi kufuneka bacele ukuba i-mill ibalwe kwaye ixele eli xabiso kwi-MTC. |
3. Ukunyamezelana Okulinganayo: Ubungakanani bentsimbi ye-RHS SHS CHS kunye notshintsho
Ngaphaya kwe-chemical metallurgy, utshintsho oluchanekileyo kwiI-RHS I-SHS I-CHSubungakanani kunye nobukhulu bentsimbilawula impumelelo yeendibano zemodyuli ezichanekileyo kunye nokufakelwa okuzenzakalelayo kwindawo. Kwiiprofayili ezingenanto ezinobude becala obuqhelekileyo (b, h) ngaphakathi koluhlu lwe-100 mm-200 mm, ukunyamezelana kwejometri kubonisa umahluko owahlukileyo:
Ukunyamezelana koBungqingqwa bodonga:I-EN 10219 icacisa ukunyamezelana kwe-±10% kwiiprofayili ezitshixiweyo (ezinomda ophezulu oqingqiweyo kwi-±2mm), ngelixa i-GB/T 6728 ivumela ukunyamezelana okuqhelekileyo kwe-±10% okuvumela ukuhanjiswa kobukhulu bodonga olukwindawo ethile ngokuxhomekeke kwiindidi ezithile.
Irediyasi yeKona yangaphandle (R):Kwimilinganiselo yobukhulu bodonga obuyi-t ≤ 6mm, i-EN 10219 ithintela ngokungqongqo i-radius yangaphandle yekona ukuya kuluhlu oluphakathi kwe-1.6t kunye ne-2.4t, ngelixa i-GB/T 6728 ivumela uluhlu olubanzi lwe-≤ 2.0t. Oku kuthetha ukuba iiprofayili zaseYurophu zihambelana ngakumbi nemida eqinileyo yethiyori.
Ukuphambuka kokujika:I-EN 10219 inyanzelisa imida eqinileyo, ithintela ukujija ukuya kwi-≤ 2mm + 0.5mm/m. Ngokwahlukileyo koko, i-GB/T 6728 ivumela ukuya kuthi ga kwi-1.5mm/m okanye i-0.15% yobude obupheleleyo.
Ukuze kupheliswe iimpazamo ngexesha lokuhlolwa kwe-QA/QC kwinqanaba lesiza, iindlela zokulinganisa ezifanelekileyo zibalulekile. Umzekelo,Ii-caliper kufuneka zibekwe ngendlela efanelekileyo kude nemiphetho yeprofayili ukuze kuthintelwe ukuphazamiseka kwe-burrUkulinganisa ngokuthe ngqo emngxunyeni kunokubangela ukuguquguquka kwendawo yokusika kunye neebhar ezincinci ukuze zitshintshe idatha yobukhulu bodonga ngokwenziwa.
4. Uqinisekiso loMgangatho: EN 10204 3.1 MTC kunye nokulandeleka kwemveliso yeNombolo yoBushushu
Ukuze kuthotyelwe iprojekthi yamazwe ngamazwe, uthotho lwamaxwebhu oluqinisekisa imvelaphi yento leyo lubaluleke ngokufanayo neempawu zayo ezibonakalayo. Ukuthunyelwa kwento esemgangathweni ogqithisileyo kufuna ukuqinisekiswa okucokisekileyo kokulandelela.
Phantsi kokuthengwa okunyanzelisiweyo yi-Eurocode, abavelisi kufuneka banike ingxelo eqinisekisiweyo ngokupheleleyoIsatifikethi sovavanyo lwezinto ze-EN 10204 3.1 (MTC)Olu xwebhu luqinisekisa ukuba uhlalutyo lweekhemikhali kunye neeloti zovavanyo loomatshini ziyahambelana nomgangatho oceliweyo.
Ngokuhambelana nemiyalelo engqongqo yokulandelela iikhontraktha ze-EPC zehlabathi, ukuqinisekiswa komgangatho kwifektri yobungcali yokuqengqeleka okubandayo kusekelwe kwinyani yokuba iipropati zesinyithi zimiselwa ngokupheleleyo yi-coil yentsimbi ephambili. Ke ngoko, ulawulo lomgangatho lusebenza kwiYuantai Derun Group.zibotshelelwe ngqo kwiNombolo yoBushushu bezinto eziluhlaza.
Ukuqinisekisa ukuqinisekiswa okupheleleyo kwindawo yeprojekthi, izatifikethi zovavanyo lwezinto ze-EN 10204 3.1 ezihambelanayo ziya kuthunyelwa kunye namaxwebhu okuthumela kunye nempahla, zihambelana neeNombolo zoBushushu bezinto eziluhlaza eziboniswe kwiithegi zephakheji yemveliso. Le nkqubo yoxwebhu olula iqinisekisa ukuba abahloli bamasimu banokuqinisekisa ngoko nangoko ukwakheka kweekhemikhali kunye nohlalutyo lweladle ngokuchasene nebhili yakho yezinto, besusa izikhewu zamaxwebhu ezihlala zithintela uhlolo lwesiza samazwe ngamazwe.
5. Ukuthobela uMthetho woRhwebo: Ulawulo loMngcipheko wokuMakisha i-CE kunye nokuLwa ukuLahlwa kweNkunkuma
Ukwamkelwa kwezinto eziphathekayo kuchatshazelwa kakhulu kukunciphisa umngcipheko wezorhwebo, imida yezothutho, kunye nemithetho yorhwebo lwamazwe ngamazwe.
Umqobo ophambili ekufumaneni iimveliso ezisemgangathweni ogqithisileyo sisiqinisekiso sengingqi. Iiprojekthi ezibotshelelwe yimigaqo ye-European Union zifuna isiqinisekiso esisebenzayoUphawu lwe-CE lwamacandelo angenanto entsimbi yesakhiwoUkuba umenzi akanayo i-Factory Production Control (FPC) odithi efunekayo ukuze kukhutshwe i-EN 10219Uphawu lwe-CE, ukulingana kobugcisa kuba yinto engafanelekiyo ngokusemthethweni kwizithethe.
Iqela leYuantai Derun libambe ngokupheleleyoUkumakishwa kwe-CE (EN 10219-1), BC1 (eSingapore)kunyeI-ISO 9001/14001/45001iziqinisekiso, ezivumela ukuvunyelwa okuthe tye kwizibuko zaseYurophu nakwihlabathi liphela.
Ucwangciso lwezothutho kufuneka lube chanekileyo ukuze luphucule umgangatho wakhoixabiso lecandelo elingenanto lentsimbi ngetoni nganyeIqela lethu lokuthumela ligqwesile ekuphuculeni umthwalo wemithwalo ngokusebenzisa umgangatho oqhelekileyoIzikhongozeli ze-20GP (uqaphele ukuba iinkcukacha zesikhongozeli ze-20GP zahlukile ngokupheleleyo kwiindlela ze-High Cube/HQ ngokuphakama kunye nomthamo)ukuhambelana nemida yezibuko zengingqi kunye nokuthintela ukulibaziseka okungalindelekanga kokuphathwa kwendawo.
IMatrix yesishwankathelo: Isakhelo seSigqibo seProjekthi
| Iimeko kunye neemfuno zeProjekthi | Isenzo Sokufumana Esicetyiswayo | Amaxwebhu afunekayo |
| Indawo yaseYurophu, ukunyanzeliswa okungqongqo kwe-Eurocode, iziseko zophuhliso zikarhulumente, okanyeUkumakishwa kwe-CEimiyalelo. | Cacisa i-EN 10219 kuphelangemigca eqinisekisiweyo kaYuantai. | EN 10204 3.1 MTC + CE Isatifikethi |
| Iifreyimu zoshishino ze-EPC zamazwe ngamazwe, izakhiwo zokufakelwa kwelanga ezizimeleyo, okanye iinkqubo ze-PEB. | Cebisa i-GB/T 6728 (Q355B/D) njengenye indlela ephuculiweyo yeendleko. | I-EN 10204 3.1 MTC |
Imibuzo Ebuzwa Rhoqo (Imibuzo Ebuzwa Rhoqo)
Umbuzo 1: Ngaba i-GB/T 6728 Q355B ingangena endaweni ye-EN 10219 S355JR?
A1:Ngokwenyani, ewe. Zombini ezi zigaba zabelana ngamandla emveliso angama-355 MPa kwaye zibonelela ngokusebenza okufanayo kwizakhelo zesakhiwo ezisemgangathweni. Nangona kunjalo, ukutshintshwa ngokuthe ngqo kufuna imvume yomcebisi wesakhiwo kunye nokuqinisekiswa kwemida yokunyamezelana kweprojekthi ethile.
Umbuzo 2: Ngowuphi umahluko ophambili wolwakhiwo phakathi kwe-S355J2 kunye ne-Q355D?
A2:Zombini zimele amanqanaba aphezulu enzelwe iindawo ezinobushushu obuphantsi.S355J2ifuna amandla amancinci okuchaphazela angama-27 Joules kwi--20°C, ngelixaQ355Difuna ubuncinci iiJoules ezingama-34 kwi -20°C. Ngokwasemsebenzini, i-Q355D iyahlangabezana okanye idlula imigangatho yempembelelo ye-S355J2, nto leyo eyenza ukuba ibe yinto elingana nobuchwepheshe obuhle kakhulu.
Umbuzo 3: Ngaba umthengisi wecandelo elingenanto elakhiweyo eTshayina angabonelela nge-EN 10204 3.1 MTCs ze-GB/T 6728?
A3:Ewe. Abavelisi beTier-1 abafana neYuantai Derun bafomata zonke iingxelo zovavanyo lwe-mill ngokwemigangatho ye-EN 10204 3.1, nokuba iinkcukacha zokwenziwa zithini, ukuqinisekisa ukulandelelwa kwedatha eqhelekileyo kubahloli behlabathi.
Ixesha leposi: Julayi-06-2026
