IWashington DC - I-American Iron and Steel Institute (AISI) ipapashe i-AISI S250-21, "I-North American Cold Formed Steel Isakhelo soKwakha i-envelope yoMgangatho wokuTshintshela ubushushu, uHlelo lwe-2021," njengomthombo owodwa wokubala i-coefficient yokudlulisa ukushisa kwiindonga. equlathe isakhelo sentsimbi esenziwe ngokubanda kunye (ne-U-factor) isilingi/amalungu eqokobhe lophahla. Umgangatho wenzelwe ukwamkelwa kunye nokusetyenziswa e-United States, eKhanada naseMexico kwaye uyafumaneka ngokukhuphela mahala ku-www.aisistandards.org.
I-AISI S250-21 yenzelwe ukuba ekugqibeleni ithathe indawo yeendlela ezininzi kwiikhowudi zamandla zangoku kunye nemigangatho, uninzi lwayo lukhawulelwe kwi-16 "okanye i-24" yokunyuswa eludongeni kwiifreyimu zamaziko edatha. Iinketho eziqhelekileyo zezibalo zahlulwe zibe:
I-AISI S250-21 ihloselwe ukumela inqanaba elilandelayo lokuhlalutya kwindlela eyaziwayo ye-domain modified, eyadalwa ekuqaleni ngo-1997. Iinzuzo ze-AISI S250-21 kuzo zonke iindlela zokubala zangaphambili ziyakwazi ukuhlalutya iindibano zodonga kunye neempawu ezilandelayo. :
IKomiti yeMigangatho yeSikhokelo se-AISI yenze i-spreadsheet ukwenza izibalo zemathematika ngokuhambelana ne-AISI S250-21. Le theyibhile ifumaneka ngokukhululekileyo kwaye inciphisa kakhulu ixesha elifunekayo ukubala amacandelo ahlukeneyo emvulophu ngokuhambelana nomgangatho.
I-AISI isebenza njengelizwi lomgaqo-nkqubo karhulumente kwi-industry yensimbi yase-US kwaye ikhuthaza insimbi njengento ekhethiweyo kwimarike. I-AISI ikwadlala indima ephambili ekuphuhliseni nasekusetyenzisweni kweemveliso ezintsha zentsimbi kunye nobuchwepheshe bokwenza intsimbi. I-AISI yenziwe ngabavelisi bensimbi kunye nezixhobo ezidibeneyo ze-arc kunye namalungu adibeneyo ababoneleli okanye abathengi beshishini lensimbi. Ukufunda ngakumbi malunga nentsimbi kunye nokusetyenziswa kwayo, tyelela iwebhusayithi ye-AISI ku-www.steel.org. Landela i-AISI kuFacebook okanye kuTwitter (@AISIsteel).
Ixesha lokuposa: Jul-15-2023