Asme B16.9 ndi muyezo wodziwika bwino m'makampaniwo kuti azigwiritsa ntchito moyenera, zopondera, ndi zigwa zomwe zimagwiritsidwa ntchito pamapaipi. Zogwirizana za kukula kwazithunzizi, kulolera, zida, ndi zolemba zamitundu yosiyanasiyana ya zinthu. Katundu wina wogwiritsidwa ntchito kwambiri ndi chipongwe, ndipo a234 wpb nthawi yayitali a rabius carbon chitsulo ndi chisankho chotchuka.
A182-F11 ndiopenga pampando wa ku American Stealitic Stopliting Stopling, State Standard: Astm-A182 \ / A182M-2017.
Mawanga osapanga dzimbiri amapindika zidutswa zomwe zimalumikizana ndi chitoliro cholunjika, nthawi zambiri pamakona 90 kapena 459, kulola zotsalira kuti zisapewe kupatulidwa, kuwotcherera, ndi ntchito zamagalimoto.
Kuphatikiza pa kukhala odalirika, imakhala ndi kulolerana kwambiri. Makhalidwe athu osapanga dzimbiri amapangidwa kuti azigwiritsa ntchito ukadaulo wamakono komanso zida zapamwamba kwambiri zomwe zimatsimikizira kutsatira miyezo yapadziko lonse.
Mumatsogolera chilichonse mwachindunji kuchokera kwa opanga ndi opanga nawo. Makina ogulitsa tsiku ndi tsiku a ziphuphu za chitsulo mumapanga dzimbiri mu kufufuza kwathu kuli matani 40 matani. Timakhulupilira kuti amapereka kuchotsera kwakukulu ndikuzigwiritsa ntchito limodzi nawo pazofunikira zawo zonse. Nthawi zonse timapereka mitengo yampikisano yopanda danga ya 90 yopanda masamba 90. Makasitomala omwe alipo.