Qib 310 yog ib qho nruab nrab carbon austenitic stainless hlau, rau kev siv kub xws li qhov cub thiab cov khoom siv kho cua sov.Nws yog siv los ntawm qhov kub txog li 1150 ° C hauv kev pabcuam txuas ntxiv, thiab 1035 ° C hauv kev pabcuam cuam tshuam.Qib 310S yog qhov qis carbon version ntawm qib 310.
Stainless hlau - Cov khoom thiab kev siv ntawm Qib 310/310s Stainless Hlau
Daim ntawv thov ntawm Qib 310/310S Stainless Hlau
Cov Ntawv Thov Qib 310/310S yog siv rau hauv fluidised txaj combustors, kilns, radiant tubes, raj hangers rau roj av refining thiab chav boilers, thee gasifier sab hauv Cheebtsam, lead pots, thermowells, refractory thauj tog rau nkoj bolts, burners thiab combustion chambers, retors, annealing npog, saggers, khoom noj khoom haus, cov qauv cryogenic.
Cov khoom ntawm Qib 310/310S Stainless Hlau
Stainless hlau - Cov khoom thiab kev siv ntawm Qib 310/310s Stainless Hlau
Cov qib no muaj 25% chromium thiab 20% npib tsib xee, ua rau lawv tiv taus oxidation thiab corrosion.Qib 310S yog qhov qis dua cov pa roj carbon monoxide, tsis tshua muaj siab rau embrittlement thiab rhiab heev hauv kev pabcuam.Lub siab chromium thiab nruab nrab nickel cov ntsiab lus ua rau cov hlau no muaj peev xwm rau kev siv hauv kev txo cov sulfur cua uas muaj H2S.Lawv tau dav siv nyob rau hauv nruab nrab carburising atmospheres, raws li tau ntsib nyob rau hauv petrochemical ib puag ncig.Rau qhov hnyav dua carburising atmospheres lwm cov cua sov uas tiv thaiv cov hlau yuav tsum tau xaiv.Qib 310 tsis pom zoo rau cov kua quenching ntau zaus vim nws raug kev kub ntxhov.Qib feem ntau yog siv rau hauv cov ntawv thov cryogenic, vim nws qhov toughness thiab qis sib nqus permeability.
Hauv kev sib piv nrog lwm cov austenitic stainless hlau, cov qib no tsis tuaj yeem ua kom tawv los ntawm kev kho cua sov.Lawv tuaj yeem ua haujlwm hnyav los ntawm kev ua haujlwm txias, tab sis qhov no tsis tshua muaj kev xyaum.
Stainless hlau - Cov khoom thiab kev siv ntawm Qib 310/310s Stainless Hlau
Chemcial Composition ntawm Qib 310/310S Stainless Hlau
Cov tshuaj muaj pes tsawg leeg ntawm qib 310 thiab qib 310S stainless hlau tau sau tseg hauv cov lus hauv qab no.
Stainless hlau - Cov khoom thiab kev siv ntawm Qib 310/310s Stainless Hlau
Table 1.Cov tshuaj muaj pes tsawg leeg% ntawm qib 310 thiab 310S stainless hlau
| Tshuaj muaj pes tsawg leeg | 310 | 310S ib |
| Cov pa roj carbon | 0.25 max | 0.08 max |
| Manganese | max 2.00 Nws | max 2.00 Nws |
| Silicon | 1.50 max | 1.50 max |
| Phosphorus | 0.045 max | 0.045 max |
| Sulfur | 0.030 max | 0.030 max |
| Chromium | 24.00-26.00 Nws | 24.00-26.00 Nws |
| Nickel | 19.00 – 22.00 dr hab | 19.00 – 22.00 dr hab |
Mechanical Properties ntawm Qib 310/310S Stainless Hlau
Cov khoom siv kho tshuab ntawm qib 310 thiab qib 310S stainless hlau tau sau tseg hauv cov lus hauv qab no.
Rooj 2.Mechanical zog ntawm qib 310/310S stainless hlau
| Mechanical Properties | 310/310 S ib |
| Qib 0.2% Pov Thawj Stress MPa (min) | 205 |
| Tensile zog MPa (min) | 520 |
| Elongation% (min) | 40 |
| Hardness (HV) (max) | 225 |
Lub cev muaj zog ntawm Ferritic Stainless hlau
Lub cev lub cev ntawm qib 310 thiab qib 310S stainless hlau tau sau tseg hauv cov lus hauv qab no.
Table 3.Lub cev muaj zog ntawm qib 310/310S stainless hlau
| Cov khoom | at | Tus nqi | Chav tsev |
| Qhov ntom |
| 8,000 | Kg / m3 |
| Hluav taws xob conductivity | 25 ° C | 1.25 | % IACS |
| Hluav taws xob Resistivity | 25 ° C | 0.78 ib | Micro ohm |
| Modulus ntawm Elasticity | 20 ° C | 200 | GPa |
| Shear Modulus | 20 ° C | 77 | GPa |
| Poisson tus ratio | 20 ° C | 0.30 Nws |
|
| Melting Rnage |
| 1400-1450 Nws | °C |
| Tshwj xeeb kub |
| 500 | J/kg.°C |
| Sib Nqus Sib Nqus Permeability |
| 1.02 ib |
|
| Thermal conductivity | 100 ° C | 14.2 | W/m.°C |
| Coefficient ntawm Expansion | 0-100 ° C | 15.9 ib | /°C |
| 0-315 ° C | 16.2 | /°C | |
| 0-540 ° C | 17.0 Nws | /°C |
Fabrication ntawm Qib 310/310S Stainless Hlau
Fabrication Qib 310/310S yog forged nyob rau hauv qhov kub ntawm 975 - 1175 ° C.Kev ua haujlwm hnyav yog nqa mus rau 1050 ° Cand ib lub teeb tiav yog siv rau hauv qab ntawm qhov ntau.Tom qab forging annealing yog pom zoo kom txo tau tag nrho cov kev ntxhov siab los ntawm cov txheej txheem forging.Cov alloys tuaj yeem yooj yim txias tsim los ntawm cov txheej txheem thiab cov khoom siv.
Machinability ntawm Qib 310/310S Stainless Hlau
Machinability Qib 310/310SS zoo ib yam li machinability rau hom 304. Kev ua hauj lwm hardening tuaj yeem yog ib qho teeb meem thiab nws yog ib txwm tshem tawm cov txheej txheem hardened los ntawm kev siv qeeb qeeb thiab hnyav txiav, nrog cov cuab yeej ntse thiab lubrication zoo.Cov tshuab muaj zog thiab cov cuab yeej hnyav, nruj yog siv.
Vuam ntawm Qib 310/310S Stainless Hlau
Vuam Qib 310/310S yog welded nrog cov electrodes sib xws thiab cov khoom siv hlau.Cov alloys tau yooj yim welded los ntawm SMAW (manual), GMAW (MIG), GTAW (TIG) thiab SAW.Electrodes to AWS A5.4 E310-XX and A 5.22 E310T-X, and filler metal AWS A5.9 ER310 are used.Argon tiv thaiv roj.Preheat thiab tom qab cua sov tsis tas yuav tsum tau, tab sis rau kev pab cuam corrosion nyob rau hauv cov kua tag nrho tom qab weld tov annealing kev kho mob yog qhov tseem ceeb.Pickling thiab passivation ntawm qhov chaw kom tshem tawm cov kub oxides yog qhov tseem ceeb kom rov qab ua kom muaj kev tiv thaiv corrosion tag nrho tom qab vuam.Qhov kev kho no tsis tas yuav tsum muaj kev pabcuam kub, tab sis vuam slag yuav tsum tau muab tshem tawm kom huv si.
Kev kho cua sov ntawm qib 310/310S Stainless hlau
Kev kho cua sov hom 310/310S yog cov tshuaj annealed los ntawm cua sov mus rau qhov kub ntawm 1040 -1065 ° C, tuav ntawm qhov kub kom txog thaum ntub dej kom huv si, ces dej quenching.
Thaum tshav kub kub Resistance ntawm Qib 310/310S Stainless hlau
Qib 310/310S muaj kev tiv thaiv zoo rau oxidation hauv kev sib cuam tshuam hauv huab cua mus txog 1035 ° Cand 1050 ° Cin kev pabcuam txuas ntxiv.Cov qib yog resistant rau oxidation, sulphidation thiab carburisation.
Muaj cov ntaub ntawv ntawm Qib 310/310S Stainless Hlau
Austral Wright Metals tuaj yeem muab cov qib no ua phaj, ntawv thiab sawb, bar thiab pas nrig, seamless raj thiab yeeb nkab, welded raj thiab yeeb nkab, forgings thiab forging billet, raj thiab yeeb nkab fittings, hlau.Corrosion Resistance Qib 310/310S feem ntau tsis siv rau corrosive kua kev pab cuam, txawm hais tias lub siab chromium thiab npib tsib xee cov ntsiab lus muab corrosion kuj superior rau qib 304. Cov alloy tsis muaj molybdenum, yog li pitting kuj tsis zoo heev.Qib 310/310S yuav sensitized rau intergranular corrosion tom qab kev pab cuam ntawm kub nyob rau hauv ntau yam 550 - 800 ° C.Chloride stress corrosion cracking yuav tshwm sim nyob rau hauv corrosive kua uas muaj chlorides ntawm kub tshaj 100 ° C.
Post lub sij hawm: Mar-29-2023