Alloy 316/316L
316 yog molybdenum-cov kabmob austenitic stainless hlau, uas ua rau muaj kev tiv thaiv corrosion, txhim khu kev tiv thaiv pitting los ntawm cov tshuaj chloride ion daws, thiab muab lub zog ntawm qhov kub siab. Cov ntsiab lus ntau dua nickel thiab molybdenum hauv qib no tso cai rau nws ua kom pom zoo dua tag nrho cov corrosion resistant zog tshaj 304, tshwj xeeb tshaj yog hais txog pitting thiab crevice corrosion nyob rau hauv chloride ib puag ncig. Tsis tas li ntawd, Alloy 316 / 316L muab kev kub siab tensile, creep thiab stress- rupture muaj zog, nrog rau zoo formability thiab weldability. 316L yog qis dua carbon version ntawm 316 thiab tiv thaiv kab mob los ntawm rhiab heev; Yog li ntawd, nws yog feem ntau siv nyob rau hauv hnyav gauge welded Cheebtsam.
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Hauj lwm lawm
316 yog molybdenum-cov kabmob austeniticstainless hlau, uas ua rau kom muaj kev tiv thaiv corrosion, txhim kho kev tiv thaiv pitting los ntawm cov tshuaj chloride ion daws, thiab muab lub zog ntxiv ntawm qhov kub siab. Cov nickel ntau dua thiab molybdenum cov ntsiab lus hauv qib no tso cai rau nws ua kom pom zoo dua tag nrho cov khoom tiv thaiv corrosion dua.304, tshwj xeeb tshaj yog hais txog pitting thiab crevice corrosion nyob rau hauv ib puag ncig chloride.
Tsis tas li ntawd, Alloy 316 /316Lmuab kev kub siab tensile zoo heev, creep thiab kev ntxhov siab-rupture lub zog, nrog rau zoo heev formability thiab weldability. 316L yog qis dua carbon version ntawm 316 thiab tiv thaiv kab mob los ntawm rhiab heev; Yog li ntawd, nws yog feem ntau siv nyob rau hauv hnyav gauge welded Cheebtsam.
Chemical Composition (%) ntawm 316 Stainless Hlau Phaj
| C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 0.08 | 2.00 | 0.75 | 0.045 | 0.03 | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | 0.10 |
Mechanical Properties ntawm 316 Stainless Hlau Phaj
| 0.2 feem pua Offset Yield Strength, ksi | Qhov kawg Tensile Strength, ksi | Elongation hauv 2 ntiv tes, feem pua | Hardness, Rockwell B |
| 25 feeb | 70 feeb | 40 feeb | 95 max ua |
Lub cev muaj zog ntawm 316 Stainless Hlau Phaj
| Qhov ceev lb/inᶟ | 0.285 |
| Qhov ceev g / cm | 7.89 |
| Melting Range | 2470-2555 degree F/1354 - 1402 degree |
| Thermal conductivity ntawm 212 degree F (100 degree) | 8. 0 BTU/hr/ft²/ft/ degree F |
| Thermal conductivity ntawm 212 degree F (100 degree) | 10.8 W / m- degree K |
| Hluav taws xob Resistivity | 30.7 Microhm-hauv ntawm 68 degree |
| Hluav taws xob Resistivity | 78 Microhm-cm ntawm 20 degree |
Daim ntawv thov ntawm 316 Stainless Hlau:
Kev Siv Tshuaj thiab Petrochemical - Cov hlab ntsha siab, tso tsheb hlau luam, cov khoom siv hluav taws xob, cov kav dej, flanges, fittings, li qub thiab twj tso kua mis
Kev ua zaub mov thiab dej haus
Tubrog nkoj
Kho mob
Petroleum Refining
Kev tsim kho mob
Lub zog tiam - nuclear
Pulp thiab ntawv
Textiles
Kev kho dej
Corrosion Resistance
Nyob rau hauv ntau daim ntawv thov Alloy 316/316L muaj superior corrosion kuj rau Alloy 304/304L. Cov txheej txheem ib puag ncig uas tsis corrode Alloy 304/304L yuav tsis tawm tsam qib no. Ib qho tshwj xeeb, txawm li cas los xij, yog nyob rau hauv oxidizing acids xws li nitric acid qhov twg stainless hlau muaj molybdenum tsis tshua muaj resistant. Alloy 316/316L ua tau zoo nyob rau hauv sulfur uas muaj cov kev pab cuam xws li uas tau ntsib nyob rau hauv lub pulp thiab ntawv kev lag luam. Cov hlau tuaj yeem siv rau hauv qhov siab ntawm qhov kub txog li 120 degree F (38 degree).
Alloy 316/316L kuj muaj qhov ua tau zoo rau pitting hauv phosphoric thiab acetic acid. Nws ua tau zoo nyob rau hauv boiling 20 feem pua phosphoric acid. Cov hlau tseem tuaj yeem siv rau hauv cov khoom noj thiab tshuaj txheej txheem kev lag luam uas nws tau siv los tswj cov organic thiab fatty acids kub hauv kev sib zog los txo cov khoom sib kis.
Alloy 316/316L ua tau zoo hauv kev pabcuam dej tshiab txawm tias muaj cov chlorides siab. Lub alloy muaj zoo heev tiv thaiv corrosion nyob rau hauv marine ib puag ncig nyob rau hauv atmospheric tej yam kev mob.
Cov ntsiab lus molybdenum siab dua ntawm Alloy 316/316L paub tseeb tias nws yuav muaj qhov zoo tshaj pitting tsis kam rau Alloy 304/304L hauv cov ntawv thov uas muaj cov tshuaj chloride, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig oxidizing.
Feem ntau, qhov corrosion kuj ntawm Alloys 316 thiab 316L yuav sib npaug sib npaug hauv feem ntau corrosive ib puag ncig. Txawm li cas los xij, nyob rau hauv ib puag ncig uas txaus corrosive ua rau intergranular corrosion ntawm welds thiab tshav kub-cuam tshuam cheeb tsam Alloy 316L yuav tsum tau siv vim nws cov ntsiab lus carbon tsawg.
Cim npe nrov: Tuam Tshoj alloy 316/316l manufacturers, hoobkas
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