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  2. SAE 904L stainless steel - Wikipedia

    en.wikipedia.org/wiki/SAE_904L_stainless_steel

    904L is an austenitic stainless steel.It is softer than 316L, [1] [2] and its molybdenum addition gives it superior resistance to localized attack (pitting and crevice corrosion) by chlorides and greater resistance reducing acids; in particular, its copper addition gives it useful corrosion resistance to all concentrations of sulfuric acid.

  3. Alloy 20 - Wikipedia

    en.wikipedia.org/wiki/Alloy_20

    Alloy 20 is an austenitic stainless steel containing less than 50% iron developed for applications involving sulfuric acid.Its corrosion resistance also finds other uses in the chemical, petrochemical, power generation, and plastics industries.

  4. Incoloy - Wikipedia

    en.wikipedia.org/wiki/Incoloy

    For example, alloy 020 is designed to be resistant to sulfuric acid, and the DS Incoloy is to be used in heat-treating furnaces with reactive atmospheres and many heat cycles. Incoloy 020 "exhibits excellent corrosion resistance in chemical environments that contain sulfuric acid, chlorides, phosphoric acid and nitric acid." [5]

  5. Austenitic stainless steel - Wikipedia

    en.wikipedia.org/wiki/Austenitic_stainless_steel

    Alloy 20 (Carpenter 20) is an austenitic stainless steel possessing excellent resistance to hot sulfuric acid and many other aggressive environments which would readily attack type 316 stainless. This alloy exhibits superior resistance to stress-corrosion cracking in boiling 20–40% sulfuric acid.

  6. Stainless steel - Wikipedia

    en.wikipedia.org/wiki/Stainless_steel

    At room temperature, type 304 stainless steel is only resistant to 3% acid, while type 316 is resistant to 3% acid up to 50 °C (120 °F) and 20% acid at room temperature. Thus type 304 SS is rarely used in contact with sulfuric acid. Type 904L and Alloy 20 are resistant to sulfuric acid at even higher concentrations above room temperature.

  7. Sulfuric acid - Wikipedia

    en.wikipedia.org/wiki/Sulfuric_acid

    Sulfuric acid is a very important commodity chemical; a country's sulfuric acid production is a good indicator of its industrial strength. [9] Many methods for its production are known, including the contact process, the wet sulfuric acid process, and the lead chamber process. [10] Sulfuric acid is also a key substance in the chemical industry.

  8. Man getting packages finds missing babies in a ditch - AOL

    www.aol.com/man-getting-packages-finds-missing...

    A man found 4-month-old and 5-month-old baby girls in a ditch outside his Indianapolis home after they were kidnapped in a vehicle earlier in the day.

  9. Stress corrosion cracking - Wikipedia

    en.wikipedia.org/wiki/Stress_corrosion_cracking

    For example, the fracture surface of a fuel connector showed the progressive growth of the crack from acid attack (Ch) to the final cusp (C) of polymer. In this case the failure was caused by hydrolysis of the polymer by contact with sulfuric acid leaking from a car battery. The degradation reaction is the reverse of the synthesis reaction of ...