Izinto eziluncedo kwi-Cold Formed Welded Structural
Intsimbi eyenziwe ngokubanda iveliswa ngokugoba kunye nokwenza amaphepha ensimbi okanye iikhoyili kwiqondo lokushisa ngaphandle kokusetyenziswa kobushushu. Inkqubo ivelisa into eyomeleleyo, ehlala ixesha elide kunentsimbi eshushu. Le ntsimbi ebandayo inika iingenelo ezininzi ezingundoqo xa idityaniswe kunye ukwenza amacandelo esakhiwo.
Umgangatho | Ibakala Steel | Ukwakhiwa kweekhemikhali | Iimpawu zokuqina | UVavanyo lweMpembelelo yeCharpy kunye noVavanyo lokuLahla ubunzima beenyembezi | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | CEV4) (%) | Rt0.5 Mpa Isivuno samandla | Rm Mpa Tensile Amandla | Rt0.5/Rm | (L0=5.65 √ S0) Ubude A% | ||||||
max | max | max | max | max | max | max | max | Okunye | max | imiz | max | imiz | max | max | imiz | |||
I-L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Uvavanyo lwempembelelo ye-Charpy: Impembelelo yokufunxa amandla omzimba wombhobho kunye ne-weld seam iya kuvavanywa njengoko kufunwa kumgangatho wokuqala. Ngeenkcukacha, jonga umgangatho wokuqala. Uvavanyo lokukrazula ubunzima: Indawo yokucheba ngokuzikhethela | |
GB/T9711-2011 (PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
I-L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
I-L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
I-L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
I-L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
I-L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
I-L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
I-L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | Uthethathethwano | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Phawula: | ||||||||||||||||||
1)0.015 ≤ Altot < 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30;Mo ≤ 0.10; | ||||||||||||||||||
2)V+Nb+Ti ≤ 0.015% | ||||||||||||||||||
3) Kuwo onke amabakala ensimbi, i-Mo inokuthi ≤ 0.35%, phantsi kwekhontrakthi. | ||||||||||||||||||
Mnu Cr+Mo+V Cu+Ni4)CEV=C+ 6 + 5 + 5 |
Enye yeenzuzo eziphambili zekubanda yakhiwe ngesakhiwo esidityanisiweyo intsimbi ngumlinganiselo wayo ophezulu wamandla ukuya kubunzima. Oku kuthetha ukuba inika amandla aphezulu ngelixa ilula, isenza kube lula ukuyiphatha kunye nokuthutha ngexesha lokwakha. Ukongeza, amandla aphezulu entsimbi eyenziwe ngokubanda yenza ukuba i-slender kunye noyilo olusebenzayo lwesakhiwo olwandisa indawo kunye nokunciphisa ukusetyenziswa kwezinto eziphathekayo.
Enye inzuzo ebalulekileyo yentsimbi edibeneyo epholileyo edibeneyo yolwakhiwo kukufana kwayo kunye nokuhambelana. Inkqubo yokubumba ebandayo iqinisekisa ukuba insimbi igcina iipropati ezihambelanayo zoomatshini kuyo yonke into, okubangelwa ukusebenza okuqikelelweyo kunye nokuthembekileyo. Oku kuhambelana kubalulekile ekuqinisekiseni imfezeko yesakhiwo kunye nokhuseleko lolwakhiwo lokugqibela.

Ukongeza kumandla kunye nokungaguquguquki, intsimbi ebandayo eyakhiwe ngeWelded Structural inika ukuchaneka okugqwesileyo komgangatho kunye nokuchaneka. Inkqubo yokubumba ebandayo ivumela ukunyamezela okuqinileyo kunye nokubumba okuchanekileyo, ukuqinisekisa ukuba iinqununu zesakhiwo zihambelana ngokudibeneyo ngexesha lokudibanisa. Eli nqanaba lokuchaneka libalulekile ekufezekiseni umgangatho ophezulu, obonakalayo wemveliso egqityiweyo.
Ukongeza, intsimbi ebandayo eyakhiwe ngeWelded Structural iguquguquka kwaye inokwenziwa ngokwezifiso ukuhlangabezana neemfuno ezithile zeprojekthi. Inokubunjwa ngokulula kwaye ibunjwe kwiintlobo ezahlukeneyo zeekhonto kunye nokulungelelaniswa, ukuvumela ukuyilwa koyilo lwesakhiwo esinzima. Oku kuguquguquka kwenza ukuba kube lula kuluhlu olubanzi lwezicelo ukusuka kulwakhiwo lweendawo zokuhlala ukuya kwiindawo zoshishino.
Ukusetyenziswa kwentsimbi ebandayo eyi-Welded Structural steel nayo inegalelo kwimisebenzi yokwakha ezinzileyo. Ubume bayo obulula bunciphisa umthwalo opheleleyo kwisiseko kunye nesakhiwo senkxaso, okukhokelela ekugcinweni kweendleko ezinokubakho kunye neenzuzo zokusingqongileyo. Ukongeza, ukuphinda kusetyenziswe intsimbi kwenza kube lukhetho olulungele ukusingqongileyo kwiiprojekthi zokwakha.
Isishwankathelo, intsimbi ebandayo eyakhiwe ngeWelded Structural ibonelela ngeenzuzo ezininzi ezenza kube lukhetho olunomtsalane kwiiprojekthi zokwakha. Ubungakanani bayo obuphezulu bobunzima bobunzima, ukuhambelana, ukuchaneka, ukuguquguquka kunye nokuzinza kwenza kube yinto ebalulekileyo ekudaleni izakhiwo ezizinzileyo, ezisebenzayo. Njengoko ishishini lolwakhiwo liqhubeka nokukhula, intsimbi ebandayo eFakelwe iWelded Structural iya kudlala indima ebalulekileyo ekubumbeni izakhiwo kunye neziseko ezingundoqo zexesha elizayo.