Alloy 28 ne mai matuƙar alloyed austenitic bakin karfe miƙa juriya ga iri-iri na lalata kafofin watsa labarai.Ta hanyar abubuwan da ke cikin chromium da molybdenum, gami yana ba da juriya ga duka oxidizing da rage acid da gishiri.Kasancewar jan ƙarfe yana ƙara juriya ga sulfuric acid.Ana amfani da gawa a cikin masana'antar sarrafa sinadarai da petrochemical.Alloy tubes suna sanyi aiki zuwa babban ƙarfin matakan don sabis na saukar da ruwa a cikin rijiyoyin iskar gas mai zurfi mai lalata matsakaici.
Alloy | % | Ni | Cr | Fe | Mo | C | P | Mn | Si | S | Cu |
028 | Min. | 30 | 26 | bal | 3.0 | 0.6 | |||||
Max. | 34 | 28 | 4.0 | 0.03 | 0.03 | 2.5 | 1.0 | 0.03 | 1.4 |
Yawan yawa | 8.0 g/cm³ |
Wurin narkewa | 1260-1320 ℃
|
Matsayi | Ƙarfin ƙarfi N/mm² | Ƙarfin bayarwa Rp 0.2N/mm² | Tsawaitawa Kamar yadda % | Brinell taurin HRB |
Maganin Magani | 500 | 214 | 40 | 80-90 |