Understanding B7 and B16 Bolt Grades: Key Specifications and Applications

Learn about B7 and B16 bolt grades, their materials, and their applications in high-pressure environments.

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B7 and B16 refer to bolt grades in the ASTM International standards. B7 bolts are made of chromium-molybdenum steel and are used in high-temperature and high-pressure environments. B16 bolts are made of higher-grade chromium-molybdenum-vanadium steel, suitable for even higher temperature applications. Both are used in industries like petrochemical and power generation where reliability and strength are crucial.

FAQs & Answers

  1. What are B7 bolts used for? B7 bolts are commonly used in high-temperature and high-pressure applications, particularly in industries like petrochemical and power generation.
  2. How do B16 bolts differ from B7 bolts? B16 bolts are made from higher-grade chromium-molybdenum-vanadium steel, which makes them suitable for even higher temperature applications compared to B7 bolts.
  3. What materials are used to make B7 and B16 bolts? B7 bolts are made of chromium-molybdenum steel, while B16 bolts are made of higher-grade chromium-molybdenum-vanadium steel.
  4. In what industries are B7 and B16 bolts typically used? B7 and B16 bolts are typically used in industries that require strong and reliable fasteners, such as petrochemical and power generation.

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