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AISI tshaj tawm AISI S250-21, "North American Thermal Transfer Standard for Cold Formed Steel Framing Building hnab ntawv 2021."

 

IMG_20221019_114644 blob lQDPJwz8DQjrHDbNCZDNDMCwu7jxHmZQShYEf5Op3oDGAA_3264_2448 OIP (5) lQLPJxf_fDUmDgDNApvNApuwhsq5VvGiNgoD3Z68-cCqAA_667_667Washington DC - Lub koom haum American Iron thiab Steel (AISI) tau luam tawm AISI S250-21, "North American Cold Formed Steel Frame Building Envelope Heat Transfer Standard, 2021 Edition," uas yog ib qho chaw rau kev suav cov cua sov hloov coefficient rau phab ntsa. muaj ib tug txias tsim steel ncej thiab (U-factor) qab nthab / ru tsev plhaub Cheebtsam. Tus qauv yog npaj rau kev saws me nyuam thiab siv hauv Tebchaws Meskas, Canada thiab Mexico thiab muaj rau rub tawm dawb los ntawm www.aisistandards.org.

AISI S250-21 tau tsim los txhawm rau hloov pauv ntau txoj hauv kev hauv ntau lub zog tam sim no cov cai thiab cov qauv, feem ntau yog txwv rau 16 ″ lossis 24 ″ phab ntsa mounts ntawm cov ntaub ntawv chaw thav ntawv. Cov kev xaiv lej txheem tau muab faib ua:
AISI S250-21 yog npaj los sawv cev rau qib tom ntej ntawm kev txheeb xyuas hauv cov txheej txheem kev hloov pauv uas paub zoo, tsim nyob rau xyoo 1997. Qhov zoo ntawm AISI S250-21 dhau los ntawm txhua txoj kev suav yav dhau los yog lub peev xwm los soj ntsuam cov phab ntsa sib dhos nrog cov yam ntxwv hauv qab no. :
Pawg Neeg Saib Xyuas Kev Ua Haujlwm AISI tau tsim daim ntawv tshaj tawm los ua lej suav nrog raws li AISI S250-21. Cov lus no muaj kev ywj pheej thiab txo qis lub sijhawm uas yuav tsum tau los suav cov khoom sib txawv ntawm lub hnab ntawv raws li tus qauv.
AISI ua lub suab ntawm tsoomfwv txoj cai rau Asmeskas kev lag luam steel thiab txhawb nqa hlau ua cov khoom siv hauv kev ua lag luam. AISI kuj tseem ua lub luag haujlwm tseem ceeb hauv kev txhim kho thiab siv cov khoom siv hlau tshiab thiab cov thev naus laus zis steelmaking. AISI yog tsim los ntawm steelmakers nrog kev sib xyaw arc furnaces thiab cov tswv cuab cuam tshuam uas yog cov neeg muag khoom lossis cov neeg siv khoom ntawm kev lag luam steel. Yog xav paub ntxiv txog steel thiab nws cov ntawv thov, mus saib AISI lub vev xaib ntawm www.steel.org. Ua raws AISI ntawm Facebook lossis Twitter (@AISISteel).


Post lub sij hawm: Lub Xya hli ntuj-15-2023