DIN EN877 Cast Iron Pipes and Fittings, Grey Cast Iron Product Service, China Original Feme

Grey cast iron e bua ka tšepe e entsoeng ka tšepe e nang le flake graphite, e bitsoang grey cast iron hobane ho robeha ho ba bohlooho bo lefifi ha ho robeha. Lintho tse ka sehloohong ke tšepe, carbon, silicon, manganese, sebabole le phosphorus. Ke tšepe e entsoeng ka ho fetisisa e sebelisoang ka ho fetisisa 'me tlhahiso ea eona e hlahisa ho feta 80% ea kakaretso ea tšepe e entsoeng ka tšepe. Grey cast iron e na le thepa e ntle ea ho lahla le ho itšeha le ho hanyetsa ho apara hantle. E sebelisetsoa ho etsa liraka, lik'habote, joalo-joalo The graphite ka tšepe e bohlooho e entsoeng ka tšepe e ka sebōpeho sa li-flakes, sebaka se sebetsang hantle sa ho jara se batla se le senyenyane, 'me ntlha ea graphite e atisa ho imeloa kelellong, kahoo matla, polasetiki le toughness ea bohlooho. tšepe e entsoeng ka tšepe e tlase ho feta tse ling. Empa e na le damping e ntle haholo ea ho sisinyeha, kutlo e tlase-notch, le khanyetso e phahameng ea ho roala.

Grey cast iron e na le khabone e batlang e phahame (2.7% ho isa ho 4.0%), e ka nkoang e le matrix a carbon steel plus flake graphite. Ho ea ka mekhoa e fapaneng ea matrix, tšepe ea bohlooho e arotsoe ka mekhahlelo e meraro: ferrite matrix grey cast iron; pearlite-ferrite matrix grey cast iron; pearlite matrix grey cast iron

Hajoale, lihlahisoa tsa rona tsa tšepe tse bohlooho li entsoe haholo ka liphaephe tsa drainage tsa tšepe.