347 Ibha yeNsimbi eNgatyiwayo

I-UNS S34700 (iBakala 347)

347 bar steel stainless, eyaziwa ngokuba UNS S34700 kunye Grade 347, yi austenitic steel stainless eyenziwe .08% carbon eliphezulu, 17% ukuya 19% chromium, 2% manganese ubuninzi, 9% ukuya 13% nickel, 1% lesilicon ubuninzi. , umkhondo we-phosphorus kunye nesulfure, i-1% ubuncinci ukuya kwi-10% i-columbium ephezulu kunye ne-tantalum kunye nebhalansi yentsimbi. IBanga lama-347 liluncedo kwinkonzo yobushushu obuphezulu ngenxa yeepropathi zayo ezilungileyo zomatshini; Kananjalo inokumelana okugqwesileyo kwi-intergranular corrosion kulandela ukuchanabeka kumaqondo obushushu kwi-chromium carbide precipitation range ukusuka kwi-800 ° ukuya kwi-1500 ° F. Iyafana neBanga lama-321 ngokubhekisele kwi-intergranular corrosion ephunyezwa ngokusetyenziswa kwe-columbium njengento yokuzinzisa wandise oluphawu. IBanga lama-347 alinakuqiniswa ngokunyangwa kobushushu, kodwa iimpawu eziphakamileyo zinokufunyanwa ngokunciphisa ingqele.

Amashishini asebenzisa i-347 abandakanya:

• I-Aerospace
• Ivalve

Iimveliso ezakhiwe ngokuyinxenye okanye ngokupheleleyo ze-347 ziquka:

• Amakhonkco okuqokelela iinqwelomoya
• Izixhobo zokuvelisa imichiza
• Amalungu enjini
• Ukukhupha izinto ezininzi
• I-gaskets yobushushu obuphezulu kunye nokwandiswa kwamalungu
• Amalungu enjini yerokhethi