Stainless Hlau Qib 316: Muaj Kev Ua Haujlwm Zoo rau Corrosive Ib puag ncig

Stainless hlau 316 yog qib hwm austenitic renowned rau nws superior corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv chloride - nplua nuj ib puag ncig. Tsim los ntawm kev siv ntau yam ntawm 304, nws suav nrog molybdenum txhawm rau txhawm rau pitting thiab crevice corrosion, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv dej hiav txwv, tshuaj lom neeg, thiab ntug hiav txwv uas muaj zog tiv thaiv cov ntsiab lus hnyav yog tsis yog - sib tham.

Tshuaj muaj pes tsawg leeg (ASTM A240)

16-18% chromium, 10-14% nickel, 2-3% molybdenum, Tsawg dua los yog sib npaug rau 0.08% carbon, Tsawg dua los yog sib npaug rau 2% manganese, Tsawg dua lossis sib npaug li 1% silicon, Tsawg dua lossis sib npaug li 0.045% phosphorus, Less dua 0.0% sulfur.

Mechanical Properties (Annealed)

Yield zog: Ntau dua los yog sib npaug rau 205 MPa

Tensile zog: 515-655 MPa

Elongation: Ntau dua lossis sib npaug li 40%

Hardness: Max 217 HB

Kev Ua Haujlwm Zoo

316's molybdenum ntxiv muab qhov tshwj xeeb tiv thaiv rau cov dej ntsev, kua qaub, thiab cov tshuaj ua lag luam- ua tau zoo tshaj 304 hauv cov chaw hauv hiav txwv thiab ntug hiav txwv. Nws khaws cov ductility thiab weldability, tswj kev kub ntxhov siab (txog 870 degree), thiab yuav tsum tau saib xyuas tsawg, txo cov nqi ntawm lub neej.

Daim ntawv thov

Marine hardware, chemical storage tanks, pharmaceutical equipment, coastal architectural cladding, and food processing machinery (tshwj xeeb yog cov khoom noj acidic).

Qib sib npaug

EU: EN 1.4401

Nyiv: JIS SUS316

Tuam Tshoj: GB 0Cr17Ni12Mo2

316 vs . 304: Qhov txawv tseem ceeb

316 muaj molybdenum (304 tsis muaj) thiab ntau dua nickel, txhim kho chloride corrosion kuj. 304 yog tus nqi ntau dua - siv tau rau qhuav / sab hauv tsev, thaum 316 yog qhov tseem ceeb rau kev siv dej hiav txwv, tshuaj lom neeg, lossis dej hiav txwv.

FAQs

Puas yog 316 haum rau thaj chaw marine?Yog lawm, 316 yog qhov zoo tagnrho rau kev siv dej hiav txwv vim nws cov ntsiab lus molybdenum, uas tiv taus pitting corrosion los ntawm dej ntsev. Tsis zoo li 304, nws tiv taus cov dej hiav txwv dej, lub nkoj hulls, thiab cov khoom siv sab nrauv tsis muaj xeb. Nws cov qauv austenitic tuav lub zog hauv cov av noo, cua ntsev, thiab nws zam lub sijhawm submersion. Kev yaug dej tsis tu ncua txuas ntxiv txuas ntxiv nws txoj sia, ua rau nws yog ib qho tseem ceeb rau cov khoom siv hauv hiav txwv thiab ntug hiav txwv.

316 puas tuaj yeem siv rau qhov kub thiab txias?316 ua tau zoo nyob rau hauv sib quas ntus siab - qhov kev pab kub txog li 870 degree, ua rau nws haum rau industrial furnaces, tso pa system, thiab tshav kub exchangers. Nws khaws cov qauv kev ncaj ncees zoo dua li cov pa roj carbon steel ntawm qhov kub thiab txias thiab tiv thaiv oxidation hauv qhov kub thiab qhuav. Txawm li cas los xij, tsis tu ncua raug tshaj 870℃tuaj yeem txo qhov kev tiv thaiv corrosion, yog li nws tsis pom zoo rau kev siv hluav taws xob mus tas li ({6}} siv 309S lossis 310S hloov). Kev vuam zoo nrog cov khoom sib txuam (piv txwv li, ER316L) khaws cia siab -kev ua haujlwm kub.

Yuav ua li cas weldable yog 316 stainless hlau?316 yog qhov zoo heev uas siv TIG, MIG, thiab cov txheej txheem vuam. Nws cov chemistry sib npaug txo qhov kub tawg, thiab cov pob qij txha welded khaws feem ntau ntawm lub hauv paus hlau qhov kev tiv thaiv corrosion thaum siv cov fillers sib xws li ER316. Ua ntej-welding tu (tshem cov roj / av) thiab tswj cov cua sov tawm tswv yim tiv thaiv carbide nag lossis daus, uas tuaj yeem ua rau tsis muaj zog corrosion. Welded 316 yog dav siv nyob rau hauv chemical tanks thiab pipelines, raws li cov pob qij txha tuav lub zog thiab durability nyob rau hauv hnyav ib puag ncig.

Puas yog 316 muaj kev nyab xeeb rau kev ua zaub mov?316 yog FDA-ua raws thiab nyab xeeb rau kev ua zaub mov, tshwj xeeb tshaj yog cov khoom noj acidic lossis corrosive xws li citrus, txiv lws suav, thiab pickles. Nws tsis yog -reactive nto tsis leach hlau mus rau hauv cov zaub mov, thiab nws corrosion kuj tiv thaiv cov kab mob los ntawm xeb los yog degradation. Qhov du, tsis yog - ntxeem tau ua tiav yog yooj yim rau kev huv, ua tau raws li cov qauv kev noj qab haus huv nruj. Nws yog qhov nyiam tshaj 304 rau cov kab ua zaub mov acidic, qhov twg 304 tuaj yeem pom cov cim ntawm corrosion dhau sijhawm.

Vim li cas 316 kim dua 304?316 tus nqi siab dua stems los ntawm nws cov hwm alloy muaj pes tsawg leeg: nws muaj ntau npib tsib xee (cov hlau kim) thiab ntxiv molybdenum (lwm cov khoom kim) piv rau 304. Cov alloys no txhim khu kev tiv thaiv corrosion, justifying tus nqi rau kev siv tseem ceeb xws li marine lossis tshuaj ua haujlwm. Rau cov uas tsis yog- corrosive ib puag ncig (xws li, cov khoom siv hauv tsev), 304 muaj kev ua tau zoo txaus ntawm tus nqi qis. Txawm li cas los xij, 316 lub neej ntev dua thiab cov nqi kho mob qis dua feem ntau ua rau nws raug nqi ntau dua - siv tau rau cov mob hnyav.

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