Nitric Acid (HNO3)

Cov Yam Ntxwv Dav Dav:Nws yog ib qho oxidizing nruab nrab. Concentrated HNO3 feem ntau ua haujlwm ntawm qhov kub qis dua 40 ° C. Cov ntsiab lus xws li chromium (Cr) thiab silicon (Si) tiv taus oxidation, ua rau cov hlau tsis xeb thiab lwm yam khoom siv uas muaj Cr thiab Si zoo tagnrho rau kev tiv taus xeb los ntawm concentrated HNO3.
Cov hlau cam khwb cia silicon siab (STSi15R):Haum rau txhua qhov kub thiab txias hauv qab 93% concentration.
Cov hlau cam khwb cia hlau chromium siab (Cr28):Haum rau txhua qhov kub thiab txias hauv qab 80% concentration.
Hlau tsis xeb (SUS304, SUS316, SUS316L):Haum rau txhua qhov kub thiab txias hauv qab 80% concentration.
S-05 hlau (0Cr13Ni7Si4):Haum rau txhua qhov kub thiab txias hauv qab 98% concentration.
Titanium ntshiab hauv kev lag luam (TA1, TA2):Haum rau txhua qhov kub hauv qab qhov kub npau (tshwj tsis yog fuming).
Aluminium ntshiab (Al) hauv kev lag luam:Haum rau txhua qhov kub thiab txias ntawm chav tsev (siv rau hauv cov thawv xwb).
CD-4MCu cov hlau uas tau ua kom tawv dua:Haum rau txhua qhov kub hauv qab qhov kub npau.
Vim lawv txoj kev tiv taus corrosion zoo heev, cov ntaub ntawv xws li Inconel, Hastelloy C, kub, thiab tantalum kuj tsim nyog.

Cov kua qaub sulfuric (H2SO4)

Cov Yam Ntxwv Dav Dav:Lub kub npau nce ntxiv nrog rau qhov concentration. Piv txwv li, ntawm qhov concentration ntawm 5%, lub kub npau yog 101°C; ntawm qhov concentration 50%, nws yog 124°C; thiab ntawm qhov concentration 98%, nws yog 332°C. Hauv qab 75% concentration, nws qhia txog cov khoom txo (lossis nruab nrab), thiab saum 75%, nws qhia txog cov khoom oxidizing.
Hlau tsis xeb (SUS316, SUS316L):Hauv qab 40 ° C, kwv yees li 20% concentration.
904 Hlau (SUS904, SUS904L):Haum rau qhov kub thiab txias ntawm 40 ~ 60 ° C, 20 ~ 75% concentration; qis dua 60% concentration ntawm 80 ° C.
Hlau Cast Iron Silicon Siab (STSi15R):Ntau yam kev sib xyaw ntawm qhov kub thiab txias hauv chav thiab 90 ° C.
Cov Hlau Txhuas Ntshiab, Cov Hlau Txhuas Nyuaj:Ntau yam kub ntawm chav tsev kub.
S-05 Hlau (0Cr13Ni7Si4):Cov kua qaub sulfuric uas muaj concentrated hauv qab 90 ° C, cov kua qaub sulfuric uas muaj concentrated hauv qhov kub thiab txias (120 ~ 150 ° C).
Cov Hlau Carbon Ib Txwm:Cov kua qaub sulfuric uas muaj concentrated tshaj 70% ntawm chav tsev kub.
Hlau cam khwb cia:Cov kua qaub sulfuric uas muaj concentrated ntawm qhov kub thiab txias.
Monel, Nickel Hlau, Inconel:Kub nruab nrab thiab nruab nrab concentration sulfuric acid.
Titanium Molybdenum Alloy (Ti-32Mo):Hauv qab qhov kub npau, 60% sulfuric acid; hauv qab 50 ° C, 98% sulfuric acid.
Hastelloy B, D:Hauv qab 100 ° C, 75% sulfuric acid.
Hastelloy C:Ntau qhov kub thiab txias nyob ib puag ncig 100 ° C.
Hlau nickel cam khwb cia (STNiCr202):60 ~ 90% sulfuric acid ntawm chav tsev kub.

Hydrochloric Acid (HCl)

Cov Yam Ntxwv Dav Dav:Nws yog ib qho chaw nruab nrab uas muaj qhov kub siab tshaj plaws ntawm qhov concentration ntawm 36-37%. Lub ntsiab lus kub: ntawm qhov concentration ntawm 20%, nws yog 110 ° C; ntawm 20-36% concentration, nws yog 50 ° C; yog li ntawd, qhov kub siab tshaj plaws rau hydrochloric acid yog 50 ° C.
Tantalum (Ta):Nws yog cov khoom siv tiv taus corrosion zoo tshaj plaws rau hydrochloric acid, tab sis nws kim thiab feem ntau siv rau hauv cov khoom siv ntsuas precision.
Hastelloy B:Haum rau hydrochloric acid ntawm qhov kub thiab txias ≤ 50 ° C thiab cov concentration txog li 36%.
Titanium-Molybdenum Alloy (Ti-32Mo):Haum rau txhua qhov kub thiab txias.
Cov hlau Nickel-Molybdenum (Chlorimet, 0Ni62Mo32Fe3):Haum rau txhua qhov kub thiab txias.
Kev Lag Luam Titanium Ntshiab (TA1, TA2):Haum rau hydrochloric acid ntawm chav tsev kub thiab cov concentration hauv qab 10%.
ZXSNM (L) Cov Hlau (00Ni70Mo28Fe2):Haum rau hydrochloric acid ntawm qhov kub ntawm 50 ° C thiab qhov concentration ntawm 36%.

Phosphoric Acid (H3PO4)

Qhov concentration ntawm phosphoric acid feem ntau yog nruab nrab ntawm 30-40%, nrog rau qhov kub thiab txias ntawm 80-90 ° C. Phosphoric acid feem ntau muaj cov khoom tsis huv xws li H2SO4, F- ions, Cl- ions, thiab silicate.
Hlau tsis xeb (SUS316, SUS316L):Haum rau cov kua qaub ntsev uas kub npau nrog cov concentration qis dua 85%.
Durimet 20 (Alloy 20):Cov hlau uas tiv taus xeb thiab hnav tsis taus rau qhov kub thiab txias hauv qab qhov kub npau thiab qhov concentration hauv qab 85%.
CD-4Mcu:Cov hlau uas tau ua los ntawm cov hlau uas muaj hnub nyoog ntev, tiv taus corrosion thiab hnav tsis kam.
Hlau Cam Khwb Uas Muaj Silicon Siab (STSi15R), Hlau Cam Khwb Uas Muaj Chromium Siab (Cr28):Haum rau ntau yam kev sib xyaw ntawm nitric acid hauv qab qhov kub npau.
904, 904L:Haum rau ntau yam kev sib xyaw ntawm nitric acid hauv qab qhov kub npau.
Inconel 825:Haum rau ntau yam kev sib xyaw ntawm nitric acid hauv qab qhov kub npau.

Hydrofluoric Acid (HF)

Cov Yam Ntxwv Dav Dav:Cov kua qaub hydrofluoric muaj tshuaj lom heev. Cov hlau cam khwb uas muaj silicon ntau, cov khoom siv av nplaum, thiab cov iav feem ntau tiv taus feem ntau cov kua qaub, tab sis cov kua qaub hydrofluoric tuaj yeem ua rau lawv lwj.
Magnesium (Mg):Nws yog ib qho khoom siv tiv taus corrosion zoo tagnrho rau hydrofluoric acid thiab feem ntau yog siv rau cov thawv.
Titanium:Haum rau cov concentration ntawm 60-100% ntawm chav tsev kub; tus nqi xeb nce ntxiv nrog cov concentration qis dua 60%.
Monel Alloy:Nws yog ib yam khoom zoo heev uas tiv taus hydrofluoric acid, muaj peev xwm tiv taus txhua qhov kub thiab txias thiab kev sib xyaw, suav nrog cov ntsiab lus kub.
Nyiaj (Ag):Cov kua qaub hydrofluoric uas kub hnyiab feem ntau yog siv rau hauv cov khoom siv ntsuas.

Sodium Hydroxide (NaOH)

Cov Yam Ntxwv Dav Dav:Qhov corrosiveness ntawm sodium hydroxide nce nrog rau qhov kub thiab txias.
SUS304, SUS304L, SUS316, SUS316L:Kev sib xyaw ua ke 42%, chav sov txog 100 ° C.
Hlau nickel cam khwb cia (STNiCr202):Kev sib xyaw ua ke hauv qab 40%, qhov kub hauv qab 100 ° C.
Inconel 804, 825:Qhov concentration (NaOH + NaCl) txog li 42% tuaj yeem ncav cuag 150 ° C.
Nickel ntshiab:Qhov concentration (NaOH + NaCl) txog li 42% tuaj yeem ncav cuag 150 ° C.
Monel Alloy:Haum rau qhov kub thiab txias, cov tshuaj sodium hydroxide uas muaj concentration siab.

Sodium carbonate (Na2CO3)

Cov dej cawv niam ntawm cov tshauv dej qab zib muaj 20-26% NaCl, 78% Cl2, thiab 2-5% CO2, nrog rau qhov kub thiab txias sib txawv ntawm 32 txog 70 degrees Celsius.
Cov hlau cam khwb cia silicon siab:Haum rau cov tshauv soda nrog qhov kub ntawm 32 txog 70 degrees Celsius thiab qhov concentration ntawm 20-26%.
Kev lag luam titanium ntshiab:Ntau lub Hoobkas loj hauv Suav teb tam sim no siv cov twj tso kua mis titanium ua los ntawm titanium rau cov cawv niam thiab lwm yam xov xwm.

Kev lag luam petrochemical, tshuaj, thiab zaub mov

Roj av:0Cr13, 1Cr13, 1Cr17.
Petrochemical:1Cr18Ni9 (304), 1Cr18Ni12Mo2Ti (SUS316).
Formic Acid:904, 904L.
Acetic Acid:Titanium (Ti), 316L.
Tshuaj:Cov hlau cam khwb cia silicon siab, SUS316, SUS316L.
Khoom noj:1Cr18Ni9, 0Cr13, 1Cr13.