316 vs 316L Stainless Hlau Yeeb Nkab: Yuav Xaiv Li Cas?
316 vs 316L Stainless Hlau Yeeb Nkab: Yuav Xaiv Li Cas?
Rau welded Cheebtsam los yog corrosive marine / tshuaj ib puag ncig, xaiv 316L stainless hlau vim nws zoo heev weldability thiab corrosion kuj; rau cov uas tsis yog-welded Cheebtsam uas yuav tsum tau lub siab tshaj plaws lub zog, hardness, thiab me ntsis zoo dua corrosion kuj, xaiv 316 stainless hlau, raws li nws cov ntsiab lus carbon siab dua muab cov khoom zoo dua qub, tab sis tom qab- vuam yuav tsum tau kho. Qhov sib txawv tseem ceeb ntawm ob yog qhov "L" hauv 316L (cov pa roj carbon tsawg, cov ntsiab lus carbon tsawg dua lossis sib npaug li 0.03%) tiv thaiv vuam corrosion (carbide nag lossis daus) uas tuaj yeem tshwm sim hauv tus qauv 316 stainless hlau (cov ntsiab lus carbon siab tshaj ntawm 0.08%).
Dab tsi yog qhov tsis zoo ntawm 316L stainless hlau?
Lub ntsiab tsis zoo ntawm 316L stainless hlau suav nrog: tus nqi siab dua piv rau lwm qib (xws li 304); me ntsis qis dua txhua yam lub zog (yield zog) vim nws cov ntsiab lus qis dua, ua rau nws tsis haum rau siab - cov khoom ntxhov siab; susceptibility rau pitting corrosion yog tsis zoo nto kho los yog tswj nyob rau hauv heev corrosive chloride ib puag ncig; thiab muaj peev xwm rau galling thaum ua. Txawm hais tias 316L stainless hlau muaj cov khoom siv vuam zoo, nws cov ntsiab lus qis dua ua rau nws yooj yim dua los ua cov hlau nplaum tom qab ua haujlwm txias piv rau tus qauv 316 stainless hlau.
316 Stainless hlau yeeb nkab
316 stainless hlau tubing siv cov khoom no rau kev siv tswv yim xws li kev thauj mus los, kev siv cov qauv, thiab cov txheej txheem txheej txheem. Koj tuaj yeem nrhiav 316 stainless hlau tubing hauv kev ua zaub mov, kev tsim tshuaj, tshuaj nroj tsuag, thiab chaw ntug dej hiav txwv lossis ntug dej hiav txwv. Nws tseem yog feem ntau fabricated rau hauv 316 stainless hlau tiaj tus tuav, fittings, thiab flanges rau cov tshuab uas yuav tsum tau muaj corrosion kuj.
316L Stainless hlau yeeb nkab
316L stainless hlau tubing muaj tib yam zoo heev chloride thiab acid tsis kam raws li 316 stainless hlau, tab sis nrog txhim kho weldability, ua rau nws haum rau hnyav - lub luag hauj lwm los yog complex manufacturing daim ntaub ntawv. Koj yuav pom 316L stainless hlau tubing thiab fittings dav siv hauv kev ua tshuaj, khoom noj khoom haus thiab dej haus, cov chaw kho dej, thiab cov kav dej loj loj uas yuav tsum tau muaj kev tiv thaiv corrosion thiab tsis tshua muaj nqi.
316 vs 316L Stainless hlau yeeb nkab: Kev sib piv ceev
| Feature | 316 Stainless hlau yeeb nkab | 316L Stainless hlau yeeb nkab |
| Cov ntsiab lus carbon | Tsawg dua lossis sib npaug li 0.08% | Tsawg dua lossis sib npaug li 0.03% |
| Corrosion Resistance | Zoo heev hauv chloride- thaj chaw nplua nuj | Zoo heev, nrog kev tiv thaiv ntxiv ntawm thaj chaw weld |
| Weldability | Zoo, tab sis cov seem hnyav yuav xav tau kev tshaj tawm -weld annealing | Superior; tsis muaj kev tshaj tawm -weld kev kho cua sov yuav tsum tau |
| Lub zog | Me ntsis siab dua tensile thiab yield zog | Lub zog qis dua vim muaj cov pa roj carbon tsawg |
| Cryogenic Toughness | Zoo heev | Zoo heev |
| Cov Hom Phiaj | Cov yeeb nkab, yeeb nkab fittings, flanges, tiaj tus bar | Cov yeeb nkab, yeeb nkab fittings, tso tsheb hlau luam, hnyav welded qauv |
| Cov Khoom Siv Zoo Tshaj Plaws | Chloride- ib puag ncig nplua nuj nrog cov vuam nruab nrab | Loj welded kav, tso tsheb hlau luam, hnyav- ntsuas kev siv |
Chemical Composition ntawm 316 thiab 316L Stainless Hlau Tubes
| Element | 316 Stainless hlau (%) | 316L Stainless hlau (%) |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 | Tsawg dua lossis sib npaug li 0.03 |
| Chromium (Cr) | 16.0 - 18.0 | 16.0 - 18.0 |
| Nickel (Ni) | 10.0 - 14.0 | 10.0 - 14.0 |
| Molybdenum (hli) | 2.0 - 3.0 | 2.0 - 3.0 |
| Manganese (Mn) | Tsawg dua los yog sib npaug rau 2.0 | Tsawg dua los yog sib npaug rau 2.0 |
| Silicon (Si) | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua los yog sib npaug rau 1.0 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.045 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.03 | Tsawg dua lossis sib npaug li 0.03 |
Cov ntsiab lus molybdenum txhim khu kev tiv thaiv corrosion ntawm 316 316L stainless hlau raj, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau siab - qhov chaw noo noo.
Mechanical Properties ntawm 316 thiab 316L Stainless Hlau Tubes
| Khoom | 316 Stainless hlau | 316L Stainless hlau |
| Tensile zog (MPa) | Ntau dua lossis sib npaug li 515 | Ntau dua lossis sib npaug rau 485 |
| Yield zog (MPa) | Ntau dua lossis sib npaug rau 205 | Ntau dua lossis sib npaug li 170 |
| Elongation (%) | Ntau dua lossis sib npaug li 40 | Ntau dua lossis sib npaug li 40 |
| Hardness (Brinell) | Tsawg dua lossis sib npaug li 217 | Tsawg dua lossis sib npaug li 217 |
Cov yam ntxwv no qhia tau hais tias 316/316L stainless hlau tubing muaj zog thiab ruaj khov, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev thov.
Kev tsim cov txheej txheem ntawm 316/316L Stainless hlau kav
1. Kev xaiv raw khoom
High - zoo stainless hlau raug xaiv, thiab nws cov tshuaj muaj pes tsawg leeg thiab purity raug kuaj xyuas kom ua raws li cov qauv kev lag luam.
2. Cov yeeb nkab tsim
Stainless hlau yog tsim los rau hauv cov ntawv los ntawm txias dov los yog kub dov, thiab ces ua rau hauv cov kav dej siv seamless los yog vuam txheej txheem.
Kawm paub ntxiv: Stainless Hlau Yeeb Nkab Vuam Txheej Txheem Specifications
3. Kev kho cua sov thiab vuam
Rau cov kav dej welded, cov yeeb nkab npoo yog fused siv TIG (Tungsten Inert Gas) vuam. Cov kav dej tau txais kev kho annealing los txo cov kev ntxhov siab sab hauv thiab txhim kho corrosion kuj.
4. Pickling thiab Passivation
Txhawm rau tshem tawm cov impurities saum npoo, cov kav dej tau raug xaiv thiab kev kho mob passivation los txhim kho lawv cov oxidation tsis kam.
5. Kev soj ntsuam zaum kawg thiab kev sim
Txhua 316/316L stainless hlau yeeb nkab tau dhau los ntawm ntau yam tsis yog -kev puas tsuaj thiab kev puas tsuaj los xyuas nws qhov tseeb qhov tseeb, cov khoom siv kho tshuab, thiab kev tiv thaiv corrosion.
Qhov zoo ntawm 316/316L Stainless hlau kav:
1. Zoo heev Corrosion Resistance
Nws cov ntsiab lus molybdenum muab kev tiv thaiv zoo rau pitting, crevice corrosion, thiab oxidation nyob rau hauv ib puag ncig hnyav.
2. Muaj zog thiab kav ntev
316/316L stainless hlau kav dej muaj zog tensile thiab yield zog, ua kom lub neej ntev kev pab cuam thiab kev ua tau zoo txawm nyob rau hauv huab cua txias.
3. Zoo Weldability thiab Machinability
Cov ntsiab lus qis dua ntawm 316L ua rau nws haum rau vuam thiab tsis tshua muaj carbide nag lossis daus.
4. Cov khoom siv tu cev
Nws tsis yog -reactive nto ua rau nws zoo tagnrho rau cov ntawv thov uas yuav tsum tau muaj kev huv huv, xws li hauv cov zaub mov, tshuaj, thiab kev lag luam kho mob.
5. Thaum tshav kub kub tsis kam
Nrog lub siab melting point thiab tiv thaiv oxidation ntawm qhov kub thiab txias, cov kav dej stainless hlau no ua tau zoo heev hauv kev kub siab -.
