ASTM A312 UNS S31653 Cov Lus Qhiayog lub siab -kev ua tau zoo austenitic stainless hlau uas feem ntau hu uaAISI 316ln stainless hlaulos yog1.4406 stainless hlau. ASTM A312 Gr TP 316LN yeeb nkabmuaj qhov tshwj xeeb tiv thaiv corrosion, huab cua kub, thiab kev ntxhov siab tawg, ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev siv ntau yam kev siv.
AISI 316LN Stainless Hlau Khoom Khoom
Ib qho ntawm cov yam ntxwv tseem ceeb ntawmASTM A312 UNS S31653 Cov Lus Qhia welded cevyog nws tshwj xeeb tsis kam rau pitting thiab crevice corrosion. Qhov no yog vim nws cov qib siab ntawm molybdenum thiab nitrogen, uas txhim kho cov khoom muaj peev xwm tiv taus cov tshuaj lom neeg ib puag ncig. Raws li qhov tshwm sim ntawm qhov no, lubEN 1.4429 Stainless hlau khoomfeem ntau yog siv rau hauv daim ntawv thov xws li kev ua tshuaj, khoom noj khoom haus thiab dej haus, thiab kev tsim tshuaj.
Lwm qhov txiaj ntsig tseem ceeb ntawm kev siv 1.4429 stainless hlau yog nws tsis kam mus rau qhov kub thiab txias. Cov khoom muaj peev xwm tswj tau nws lub zog thiab kev ncaj ncees ntawm qhov kub thiab txias, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv nyob rau hauv siab - qhov kub thiab txias xws li cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab cov pa hluav taws xob. Ntxiv thiab,alloy 316ln stainless hlaumuaj kev nkag tau zoo heev thiab qaug zog tiv thaiv, uas yuav pab kom ntev kev pab cuam lub neej ntawm cov khoom thiab txo cov nqi tu.
ASTM A312 UNS S31653 seamless yeeb nkabNws kuj tseem tiv taus kev ntxhov siab corrosion cracking, uas yog ib qho kev txhawj xeeb loj hauv ntau qhov chaw hnyav. Qhov no yog vim nws cov qib qis ntawm cov pa roj carbon monoxide, uas tiv thaiv kev xeb hauv zos los ntawm kev tsim. Qhov no ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev siv hauv kev siv xws li marine ib puag ncig, pulp thiab ntawv ua, thiab roj thiab roj ntau lawm.
ASME SA312 UNS S31653 Lub cev muaj zog:
- Qhov ceev: 7.98 g / cm³
- Coefficient ntawm Thermal Expansion: 16.5 x 10^-6 /℃(20-100 degree)
- Thermal conductivity: 14.6 W / (m·K) (100 degree)
- Kev kub siab tshwj xeeb: 500 J / (kg·K) (0-100 degree)
- Hluav taws xob tiv thaiv: 0.75 µΩ·m
- Sib nqus Permeability: 1.02
Daim ntawv thov ntawm AISI 316LN Stainless Steel Pipes
1. Kev Ua Tshuaj: Vim nws cov corrosion kuj,AISI 316 LNyog dav siv nyob rau hauv kev lag luam chemical los tuav cov tshuaj corrosive thiab acids.
2. Roj thiab Roj: X2CrNiMoN17-13-3 steel lub siab kub thiab corrosion kuj ua rau nws tsim nyog rau kev siv roj thiab roj ua, nrog rau cov kav dej thiab cov khoom siv.
3. Pharmaceuticals:AISI 316LN welded yeeb nkabyog siv rau hauv kev tsim tshuaj vim nws cov khoom tu cev thiab tiv thaiv corrosion hauv cov txheej txheem tshuaj.
4. Marine Kev Lag Luam: Cov hlau tsis kam tiv thaiv cov dej ntsev ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv dej hiav txwv, xws li kev tsim khoom hauv nkoj thiab cov qauv hauv ntug dej hiav txwv.
316l VS 316 thiab 316l
ASTM A312 Qib tp316ln stainless hlau Chemical Composition
| Qib | AISI 316 (1.4401) | AISI 316L (1.4404) | AISI 316LN (1.4406) |
| Cr (Chromium) | 16.5 – 18.5 % | 16.5 – 18.5 % | 16.5 – 18.5 % |
| Ni (Nickel) | 10 - 13 % | 10 - 13 % | 10 – 12.5 % |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 2% | Tsawg dua lossis sib npaug li 2% | Tsawg dua lossis sib npaug li 2% |
| Molybdenum (zeeg) | 2 – 2.5 % | 2 – 2.5 % | 2 – 2.5 % |
| Si (Silicon) | Tsawg dua lossis sib npaug li 1% | Tsawg dua lossis sib npaug li 1% | Tsawg dua lossis sib npaug li 1% |
| N (Nitrogen) | 0.11% | 0.11% | 0.12-0.22 % |
| P (phosphorus) | 0.05% | 0.05% | 0.05% |
| C (Carbon) | Tsawg dua lossis sib npaug li 0.07% | Tsawg dua lossis sib npaug li 0.03% | Tsawg dua lossis sib npaug li 0.03% |
| S (Sulphur) | 0.03% | 0.02% | 0.02% |
Alloy 316LN Hlau Mechanical Properties
| Qib | AISI 316 (1.4401) | AISI 316L (1.4404) | AISI 316LN (1.4406) |
|
Qhov ntom |
8 g/cm³ |
8 g/cm³ |
8 g/cm³ |
|
Elastic modulus |
193 gp ua |
193 gp ua |
200 GPa |
|
Hardness, Brinell |
215 Max HB |
215 Max HB |
220 Max HB |
|
Tensile zog |
500 - 700 MPa |
520 - 680 MPa |
580-780 MPa |
|
Yield zog |
200 MPa |
220 MPa |
205 MPa |
|
Coefficient ntawm thermal expansion |
1.59*10-5 1/K |
1.59*10-5 1/K |
|
|
Thermal conductivity |
16.3 W/(m·K) |
16.3 W/(m·K) |
15 W/(m·K) |
|
Melting point |
1400 degree |
1400 degree |
1400 degree |
Ua ntej, 316LN muaj feem pua ntawm nitrogen ntau dua AISI 316 thiab316L stainless hlau. Qhov no ua rau 316LN tiv taus ntau dua rau pitting thiab crevice corrosion, tshwj xeeb tshaj yog nyob rau hauv chloride - nplua nuj ib puag ncig zoo li dej hiav txwv. AISI 316LN kuj muaj lub zog tensile siab dua AISI 316 thiab 316L, ua tsaug rau cov ntsiab lus nitrogen ntxiv. Qhov no tuaj yeem ua rau nws yog qhov kev xaiv zoo tshaj plaws hauv cov ntawv thov uas lub zog yog qhov kev txhawj xeeb tseem ceeb.
DIN 1.4429 Cov txheej txheem tsim khoom
DIN 1.4406 stainless hlau kavUa raws li ASTM A312 ua haujlwm seamless lossis welded ntau lawm txheej txheem. Seamless kav yog tsim los ntawm extrusion los yog teb tho, thaum welded kav yog tsim los ntawm fusion welding txoj kev.
ASME SA 312 UNS S31653 Tube Vuam
Alloy 316LN stainless hlauyog ib qho yooj yim -rau- vuam cov khoom. Cov txheej txheem vuam feem ntau suav nrog SMAW (hluav taws xob arc vuam), TIG (argon arc vuam), MIG (hlau inert gas welding) thiab vuam tsis kam.
Qib 316ln Stainless Steel Thaum tshav kub kub kho txheej txheem:
AISI 316LN Solution Annealing:
Qhov kub thiab txias: 1010℃- 1150℃(1850℃F - 2100℃F)
Lub sijhawm ua haujlwm: 30 feeb mus rau 2 teev
Kev kho tshuaj pab tshem tawm cov cheeb tsam rhiab rau intergranular corrosion tshwm sim los ntawm vuam thiab kho cov khoom sib xws.
Kev txias txias:
Tom qab kev daws teeb meem, cov khoom ua haujlwm tau txias sai heev rau hauv chav tsev kub, feem ntau yog siv dej los yog cua txias.
Kev txias nrawm pab tiv thaiv cov nag lossis daus ntawm intergranular thiab txhim kho cov khoom siv corrosion kuj.
Kev kuaj Hardness:
Kev ntsuam xyuas hardness yog ua los xyuas kom meej tias qhov hardness ntawm cov khoom siv kho mob nyob rau hauv qhov tsim nyog.
Stress Relief Thaum tshav kub kub kho:
Rau qhov loj dua lossis tuab dua, kev kho cua sov yuav raug txiav txim siab, feem ntau nyob rau hauv 550℃- 650℃(1020℃F - 1200}℃F).
Lub sijhawm ua haujlwm: 2-4 teev
Cool Down:
Txias maj mam mus rau chav tsev kub kom tsis txhob rov- ua rau muaj kev ntxhov siab ntxiv.
