316 316L thiab 316H stainless hlau: Dab tsi yog qhov txawv ntawm lawv?
316 316L thiab 316H stainless hlau: Dab tsi yog qhov txawv ntawm lawv?
Qhov sib txawv tseem ceeb nyob hauv cov ntsiab lus carbon, uas txiav txim siab qhov kev siv ntawm txhua qib stainless hlau: 316L muaj cov ntsiab lus qis tshaj plaws (< 0.03%), making it ideal for welding applications because it exhibits good corrosion resistance after welding; 316H has the highest carbon content (0.04-0.10%), giving it higher strength and creep resistance at high temperatures; while standard 316 has an even higher upper limit for carbon content (0.08%), falling in between the two, but due to its carbon content, it cannot obtain dual certification as both 316L and 316H.
316H txhais li cas?
General Properties
316H alloy (UNS S31609) yog lub siab - carbon modified alloy ntawm 316 alloy, tshwj xeeb tsim rau siab - qhov kub thiab txias. Cov alloy no nthuav tawm lub zog ntau dua ntawm qhov kub thiab txias thiab haum rau cov khoom siv thiab cov hlab ntsha siab ua haujlwm ntawm qhov kub siab tshaj 932℃F (500 degree).
316 stainless hlau yog molybdenum -muaj austenitic chromium-nickel stainless hlau. Qhov sib ntxiv ntawm molybdenum txhim kho nws cov kev tiv thaiv corrosion, txhim kho nws cov kev tiv thaiv rau pitting corrosion los ntawm cov tshuaj chloride, thiab ua kom nws siab - qhov kub thiab txias. Tsuas yog siab dua me ntsis siab dua - qhov kub thiab txias zog dua 304 stainless hlau, nws cov khoom tseem ceeb yog tib yam li 304 stainless hlau . 316 stainless hlau nthuav tawm kev txhim kho corrosion, tshwj xeeb tshaj yog tiv thaiv sulfuric acid, hydrochloric acid, acetic acid, formic acid, tartaric acid, acidic sulfates, thiab cov tshuaj chlorides yooj yim.
316L stainless hlau yog ib qho qis -carbon austenitic chromium-nickel stainless hlau nrog tib corrosion kuj zoo li 316 stainless hlau, tab sis muaj zog tiv thaiv intergranular corrosion tom qab vuam.
316H stainless hlau yog siab - carbon version ntawm 316 stainless hlau, tsim nyog rau siab - qhov kub thiab txias. Balanced 316Ti stainless hlau muaj cov khoom zoo sib xws. Cov ntsiab lus carbon ntau dua muab nws lub zog tensile ntau dua thiab muaj zog tawm los. Lub austenitic qauv ntawm cov khoom no kuj endows nws nrog zoo heev toughness, txawm nyob rau hauv qis kub.
Lub rooj sib piv
Cov lus hauv qab no qhia txog qhov sib txawv tseem ceeb ntawm 316, 316L, thiab 316H stainless hlau.
| Property/Feature | 316 Stainless hlau | 316L Stainless hlau | 316H Stainless hlau |
|---|---|---|---|
| Cov ntsiab lus carbon (max) | 0.08% | 0.03% | 0.04–0.10% |
| Corrosion Resistance | Zoo heev | Zoo heev (zoo tshaj tom qab vuam) | Zoo heev |
| Weldability | Zoo (tej zaum yuav xav tau kev tshaj tawm -weld annealing) | Zoo heev (tsis xav tau annealing) | Zoo (tsawg dua 316L) |
| Siab -Tsub Muaj Zog | Zoo | Nruab nrab | Zoo heev |
| Kev siv yam | Kev ua tshuaj lom neeg, marine qhov chaw | Pharmaceutical, khoom noj khoom haus, welded tank | Boilers, kub exchangers |
| Cov qauv tsim nyog | ASTM A312, A240, A182 | ASTM A312, A240, A182 | ASTM A312, A240, A182 |
| Mechanical Properties | Siab zog | Tsawg zog me ntsis | Siab tshaj ntawm qhov siab siab |
Tshuaj muaj pes tsawg leeg%
| Qib | C | Si | P | S | Cr | Mn | Ni | Cu | Mo | Ti | Fe |
| Alloy 316 | 0.08 max | 0.75 max | 0.045 max | 0.030 max | 16.0 - 18.0 | 2.0 max | 10.0 - 14.0 | - | 2.0 - 3.0 | - | Tseem tshuav |
| 316L hlau | 0.03 max | 0.75 max | 0.045 max | 0.030 max | 16.0 - 18.0 | 2.0 max | 10.0 - 14.0 | - | 2.0 - 2.0 | - | Tseem tshuav |
| Hlau alloy 316H | 0.04 - 0.10 | 0.75 max | 0.045 max | 0.030 max | 16.0 - 18.0 | 2.0 max | 10.0 - 14.0 | - | 2.0 - 3.0 | - | Tseem tshuav |
Lub cev muaj zog
| Chav tsev | Kub nyob rau hauv degree | |
| Qhov ntom | 7.99 g / cm³ | Chav |
| Tshwj xeeb kub | 0.12 Kcal / kg C | 22 degree |
| Melting Range | 1371 - 1421 degree | - |
| Modulus ntawm Elasticity | 193 KN/mm² | 22 degree |
| Hluav taws xob Resistivity | 74 ;cm | Chav |
| Coefficient ntawm Expansion | 16.0 µm / m | 20 - 100 degree |
| Thermal conductivity | 16.2 W / m -℃K | 100 degree |
| Feature | 316 Stainless hlau | 316L Stainless hlau | 316H Stainless hlau |
|---|---|---|---|
| Cov ntsiab lus carbon | Tsawg dua lossis sib npaug li 0.08% | Tsawg dua lossis sib npaug li 0.03% | 0.04 – 0.10% |
| Kev siv thawj zaug | Lub hom phiaj dav dav, sib npaug ntawm cov khoom | Welded qauv, ib puag ncig muaj kev tiv thaiv corrosion tom qab tshav kub raug | High -kev siv kub, cov hlab ntsha siab |
| Qhov tseem ceeb tshaj | Zoo corrosion kuj | Zoo heev weldability thiab corrosion kuj tom qab vuam | Siab zog thiab creep tsis kam ntawm siab kub |
| Weldability | Zoo, tab sis yuav tsum tau post-weld heat treatment nyob rau qee kis | Zoo heev, zoo tagnrho rau vuam | Ua rau rhiab heev yog tias tuav hauv 450-850℃ntau |
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