Ulwazi olusisiseko lwezinto zentsimbi (1)

Intsimbi yehagu kunye nentsimbi zidibene zibizwa ngokuba zisinyithi.I-iron yeyona nto iphambili kwaye iqulethe isixa esithile sekhabhoni kunye nezinye izinto zokulandelela.I-alloys enomxholo wekhabhoni engaphantsi kwe-2.11% (ubunzima) ibizwa ngokuba yintsimbi, kwaye i-alloys enomxholo wekhabhoni enkulu okanye elingana ne-2.11% (ubunzima) ibizwa ngokuba yintsimbi yehagu.

Intsimbi yehagu ingohlulwa ibe yintsimbi yehagu yokwenza intsimbi (ekwaziwa njengentsimbi emhlophe) kunye nentsimbi yehagu yokugalela.

Intsimbi etyhidiweyo ibizwa ngokuba yintsimbi.Ngokweempawu zemilo yegraphite, isinyithi esityhidiweyo sinokwahlulwa sibe ngamacandelo alandelayo: isinyithi esimpunga, i-codenamed HT;i-ductile cast iron, ikhowudi ye-QT;intsimbi enganyangekiyo kumhlwa;ezinye iintsimbi ezityhidiweyo, ezifana nentsimbi ekwaziyo ukumelana nobushushu kunye nentsimbi ethambileyo, intsimbi enyibilikayo, ebizwa ngokuba yi-KT, ekwabizwa ngokuba yintsimbi ethambileyo.

Imibhobho yoxinzelelo lwentsimbi kunye nezifakelo azisaveliswa ngobuninzi eUnited States nakwamanye amazwe, kodwa zinokuveliswa ngobuninzi kwamanye amazwe.Imibhobho yoxinzelelo lwentsimbi ithathelwe indawo yemibhobho yoxinzelelo lwentsimbi.Iinkcukacha ezisemgangathweni ezifanelekileyo ziquka: ASME B16.3, ASME B16.4, ASME B16.12, ASME B16.42, ASMEB16.42, ASTM A74, ASTM A126, AWWA C110, AWWA C111, AWWA C150, AWWA C153, njl.

Isinyithi ngokwesiseko yi-alloy.Icandelo eliphambili liyintsimbi kunye nenani elincinci lekhabhoni.Kwakhona iqulethe izinto zokulandelela ezifana ne-silicon, i-manganese, i-phosphorus, isulfure, i-chromium, i-nickel, i-molybdenum, i-tungsten kunye ne-vanadium.Ukwahlula kwentsimbi kuboniswe kumzobo