Kev sib piv ntawm 316Ti thiab 321 stainless hlau
Kev sib piv ntawm 316Ti thiab 321 stainless hlau
Ob leeg 316Ti thiab 321 stainless hlau yog titanium -stabilized austenitic stainless hlau haum rau siab - qhov kub thiab txias. Txawm li cas los xij, 316Ti (S31635) tau ntxiv molybdenum (Mo), muab nws ua haujlwm zoo heev rau pitting / crevice corrosion (zoo tagnrho rau chloride / acid ib puag ncig), thaum 321 (S32100) tso siab rau titanium rau stabilization, ua tau zoo nyob rau hauv dav dav siab -kub tab sis corrosion kuj. Rau qhov chaw ntub dej uas muaj corrosive heev, 316Ti yuav tsum tau xaiv; rau siab ntshiab- daim ntawv thov kub, xws li cov tshuab tso pa, 321 yuav tsum raug xaiv.
Dab tsi yog cov ntawv thov ntawm 316Ti stainless hlau?
Vim nws zoo heev corrosion kuj thiab pitting kuj, cov hlau no yog dav siv nyob rau hauv kev lag luam xws li tshuaj engineering, nuclear fais fab, nqus tshuab, reactor instrumentation, submarine manufacturing, furnace manufacturing, sulfite smelting, sulfite pulp, textiles, pigments, fatty acids, photochemistry, thiab pharmaceuticals.
Cov tshuaj muaj pes tsawg leeg ntawm stainless hlau 316Ti thiab stainless hlau 321
316Ti thiab 321 muaj cov khoom sib xws, ob qho tib si yog austenitic stainless hlau. Txawm li cas los xij, qhov sib ntxiv ntawm molybdenum rau 316Ti txhim kho nws cov kev tiv thaiv corrosion, thaum ob qho tib si raug siab -kub stabilization kev kho mob siv titanium.
|
Element |
316 Ti (UNS S31635) |
321 (NWS S32100) |
Kev cuam tshuam rau siab -Tsev Kev Ua Haujlwm |
|---|---|---|---|
|
Cov pa roj carbon (C) |
0.08 max |
0.08 max |
Tsawg hauv ob qho tib si kom txo qis kev pheej hmoo carbide; Ti khis tshuav C. |
|
Manganese (Mn) |
max 2.00 Nws |
max 2.00 Nws |
Ib yam; tsis muaj qhov kub siab - cuam tshuam. |
|
Silicon (Si) |
0.75 max |
0.75 max |
Tsis txawv; pab oxidation tsis kam ntawm tshav kub. |
|
Phosphorus (P) |
0.045 max |
0.045 max |
Zoo tib yam impurity tswj. |
|
Sulfur (S) |
0.030 max |
0.030 max |
Tsis txawv. |
|
Chromium (Cr) |
16.00-18.00 |
17.00-19.00 |
me ntsis siab dua hauv 321 rau oxidation; ob qho tib si ua yeeb yaj kiab passive. |
|
Molybdenum (hli) |
2.00-3.00 |
- |
Mo hauv 316Ti boosts siab -temp pitting (PREN 23-28 vs. 18-20 rau 321). |
|
Nickel (Ni) |
10.00-14.00 |
9.00-12.00 |
Siab dua hauv 316Ti rau austenite stability ntawm tshav kub. |
|
Titanium (Ti) |
5x(C+N) min, 0.70 max |
5 xC min, 0.70 max |
Ti hauv ob qho tib si tiv thaiv IGC; 316Ti suav nrog N hauv calc kom zoo dua qub. |
|
Nitrogen (N) |
0.10 max |
Tsis tau teev tseg |
Me me hauv 316Ti rau lub zog. |
|
Hlau (Fe) |
Tshuav |
Tshuav |
Base matrix. |
Lub Mo hauv 316Ti muab nws zoo dua siab -kub durability nyob rau hauv sib xyaw corrosive xov xwm, thaum lub siab dua Cr nyob rau hauv 321 contributes rau ntshiab oxidation.
Mechanical zog ntawm 316Ti thiab 321 stainless hlau
|
Khoom |
316 TiM |
321 Min |
Qhov txawv tseem ceeb |
|---|---|---|---|
|
Tensile zog (MPa) |
515 |
515 |
Identical; 316Ti better at >600℃vim Mo / Ti. |
|
Yield zog (MPa) |
205 |
205 |
Tsis txawv. |
|
Elongation (%) |
40 |
40 |
Sib npaug rau kev tsim. |
|
Hardness (HRB max) |
95 |
95 |
Tsis txawv. |
|
Impact Toughness (J) |
~ 100 at RT |
~ 100 at RT |
Zoo sib xws; ob qho tib si zoo nyob rau hauv qis temp. |
316Ti muaj lub zog nkag siab dua, ua rau nws ruaj khov dua nyob rau hauv kev ruaj ntseg ntawm qhov kub thiab txias.
Lub cev muaj zog ntawm 316Ti thiab 321 stainless hlau
Ob leeg muaj lub cev zoo sib xws, tab sis titanium hauv 316Ti txhim kho nws qhov siab - qhov kub thiab txias.
|
Khoom |
316 Ti |
321 |
Sau ntawv |
|---|---|---|---|
|
Qhov ceev (g / cm³) |
8.00 |
7.93 |
316Ti me ntsis denser vim Mo. |
|
Thermal conductivity (W / m · K ntawm 100 degree) |
14.6 |
15.0 |
Qhov txawv me me. |
|
Thaum tshav kub kub tshwj xeeb (J / kg·K) |
500 |
500 |
Ib yam. |
|
Thermal Expansion (10^-6 / degree, 20-100 degree) |
16.5 |
16.6 |
Tsawg rau ob leeg. |
Qhov qis coefficient ntawm thermal expansion ntawm 316Ti txhim kho nws cov kav ntev hauv thermal cycling.
Yuav Ua Li Cas Xaiv Ntawm 316Ti thiab 321 Stainless Hlau
Xaiv 316Ti: Thaum muaj kev pheej hmoo ntawm cov tshuaj chloride lossis muaj zog acid corrosion thiab qhov kub thiab txias (piv txwv li, marine exhaust systems).
Xaiv 321: Tsim nyog rau qhov siab dav dav - qhov kub thiab txias qhov chaw uas corrosion tsis yog qhov kev txhawj xeeb tseem ceeb (xws li, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob dav dav).
Gnee Steel tshwj xeeb hauv kev tsim khoom ntawm ntau yam khoom siv stainless hlau. Gnee Steel cov khoom ntim khoom suav nrog: Hlau Strapping: Cov kav dej nrog ib txoj kab uas hla ntawm 3 ntiv tes los yog tsawg dua yog feem ntau khi ua ke nrog polypropylene zaj duab xis los tiv thaiv xeb thaum thauj dej hiav txwv, thiab tom qab ntawd khi nrog cov hlua hlau. Ntoo Cases / Crates: Cov kav dej feem ntau yog ntim rau hauv cov rooj ntoo lossis cov thawv los tiv thaiv cov kav dej thaum lub sij hawm thauj mus los, tshwj xeeb tshaj yog cov uas ntev dua los yog muaj qhov loj dua. Seaworthy Export Ntim: Cov neeg muag khoom feem ntau siv cov txheej txheem seaworthy export ntim, uas tuaj yeem suav nrog ntau yam khoom siv thiab cov txheej txheem los tiv thaiv cov kav dej thaum thauj. Tarpaulin Ntim: Qhov no tiv thaiv los nag, dej hiav txwv, thiab lwm yam sab nraud los ntawm kev nkag mus rau lub thawv xa khoom thaum thauj. Gnee Steel tshwj xeeb hauv kev tsim thiab muag cov ntaub ntawv alloy. Gnee Steel cov khoom siv dav siv hauv aerospace, tshuaj, hluav taws xob, tsheb, thiab hluav taws xob nuclear, thiab peb tuaj yeem muab cov khoom siv alloy customized raws li cov neeg siv khoom xav tau. Rau cov khoom siv alloy pricing lossis customized alloy cov ntaub ntawv daws teeb meem, thov hu rau peb rau ib qho kev tsocai:ru@gneesteelgroup.com