347/347H Stainless hlau

Alloy 347 yog ib qho sib npaug, austenitic, chromium steel uas muaj cov columbium uas yuav tsum tau xav txog qhov kawg ntawm carbide nag lossis daus, thiab yog li intergranular corrosion. Alloy 347 yog sib npaug tawm los ntawm kev nce ntawm chromium thiab tantalum thiab muaj ntau dua creep thiab kev nyuaj siab rupture zog tshaj alloy 304 thiab 304L, uas tej zaum kuj yuav siv tau rau exposures qhov rhiab heev thiab intergranular corrosion muaj kev txhawj xeeb.Qhov expansion ntawm columbium kuj tso cai rau Alloy 347. kom muaj kev tiv thaiv corrosion zoo, zoo dua li ntawm alloy 321. Alloy 347H yog cov pa roj carbon ntau dua daim ntawv ntawm Alloy 347and display enhanced high temperature and creep properties.
Yam ntxwv

• Kev ntxhov siab ntau dua thiab cov khoom tawg thaum piv nrog 304
• Zoo tagnrho rau kev pabcuam kub
• Overcomes rhiab heev thiab intergranular corrosion kev txhawj xeeb
• Nws tuaj yeem siv rau hauv cov ntawv thov kub siab
• Vim stabilization cov khoom muaj zoo tag nrho corrosion kuj thaum piv rau 304/304L

• Kev ua tshuaj lom neeg
• Cov khoom siv ua zaub mov thiab kev cia khoom
• Petroleum Refining kua catalytic cracking units, kev pabcuam polythionic acid
• Pharmaceutical Production
• Khib Kub Recuperators

Alloy 347 stainless hlau phaj qhia zoo dav dav corrosion kuj zoo ib yam li 304. Nws tau tsim rau siv nyob rau hauv lub chromium carbide nag lossis daus los ntawm 800 - 1500 ° F (427 - 816 ° C) qhov twg tsis sib npaug alloys xws li 304 yog raug intergranular. nres. Nyob rau hauv qhov ntsuas kub no, tag nrho corrosion kuj ntawm Alloy 347 stainless hlau phaj yog zoo dua li Alloy 321 stainless hlau phaj. Alloy 347 kuj tseem ua tau zoo dua rau Alloy 321 hauv cov xwm txheej oxidizing zoo txog 1500 ° F (816 ° C). Cov hlau tuaj yeem siv los ua ib feem ntawm cov tshuaj nitric; feem ntau diluted organic acids nyob rau hauv nruab nrab kub thiab nyob rau hauv ntshiab phosphoric acid nyob rau hauv qis kub thiab mus txog rau 10% diluted daws nyob rau hauv high kub. Alloy 347 stainless hlau phaj resists polythionic acid kev nyuaj siab corrosion cracking nyob rau hauv kev pab cuam hydrocarbon. Nws kuj tuaj yeem siv rau hauv cov tshuaj chloride lossis fluoride dawb caustic daws ntawm qhov kub thiab txias. Alloy 347 stainless hlau phaj tsis ua haujlwm zoo hauv cov tshuaj chloride, txawm tias nyob rau hauv me me, lossis hauv sulfuric acid.