Xa kufikwa kulwakhiwo kunye nezicelo zesakhiwo, ukhetho lwezinto ezibonakalayo lubalulekile ukuqinisekisa ukhuseleko, ukuqina, kunye nokusebenza. Impahla enye ehlonelwa kakhulu kwishishini I-ASTM A252 Ibanga lesi-3 intsimbi. Oku kuchazwa kubaluleke ngakumbi ekwenzeni iipile zeepile ezisetyenziswa kwiziseko ezinzulu, zibenza babe nenxalenye ebalulekileyo kwiiprojekthi ezahlukeneyo zokwakha.
I-A252 yinkqubo esemgangathweni iphuhliswe nguMbutho waseMelika ukuba uvavanywe kunye nezixhobo (i-ASTM) ezichaza iimfuno ze-welded kunye nezingenasithuloumbhobho wentsimbiiipiles. IBanga lesi-3 lelona nqanaba liphezulu liphezulu kule nkcazo, kunye ne-SSI encinci ye-50 000 ye-345 MPA). Oku kwenza ukuba ilungele ukusetyenziswa kwezicelo ezifuna umthwalo ophethe umthwalo kunye nokuxhathisa kwesaphulelo.
Esona sibonelelo siphambili se-ASTM A252 IBakala 3 kukungabi nako konke okugqwesileyo, nto leyo evumela ukuguqulwa ngokufanelekileyo kunye nokufakwa. Ukwenziwa kweekhemikhali kwale nsimbi kubandakanya izinto ezinjengekhabhoni, i-manganese, naseSilicon, enegalelo kumandla kunye nobunzima bayo. Ukongeza, ezo zixhobo zinokumelana neemeko zengozi zokusingqongileyo, zenza ukuba zilungele ukusetyenziswa elwandle kunye nezinye iimeko ezinzima.
Ngapha koko, i-ASTM A252 IBakala 3 ihlala isetyenziswa ekwakhiweni kweebhulorho, izakhiwo, kunye nezinye iiprojekthi zeziseko zophuhliso ezifuna iziseko ezinzulu. Ukukwazi kwayo ukuxhasa imithwalo enzima ngelixa ugcina ingqibelelo yesakhiwo ibaluleke kakhulu kubomi obude kunye nokukhuseleka kwezi zinto.
Isishwankathelo,I-ASTM A252 Ibanga 3Intsimbi sisixhobo esiphambili kwishishini lokwakha, ukubonelela ngamandla kunye nokuqina okufunekayo kwizicelo ezinzulu zesiseko. Ukuqonda iimpawu zayo kunye nezibonelelo kunokunceda iinjineli kunye neekhontraktha zenza izigqibo ezizizo xa ukhetha izixhobo zeprojekthi zazo, ekugqibeleni zibangelwa zizinto ezikhuselekileyo, ezinokuthenjwa.
Ixesha lokuposa: I-NoV-23 ukuya kwi-2024