What is the ASTM equivalent of 16Mo3 material?

16Mo3?is a European-grade steel material defined by the?EN 10028-2?standard, commonly used for high-temperature applications such as boilers and pressure vessels. Its?ASTM equivalent?depends on the specific mechanical and chemical properties required. The closest ASTM equivalent to 16Mo3 is typically?ASTM A204 Grade A?or?ASTM A387 Grade 12 Class 2. Below is a detailed comparison:

1. Chemical Composition Comparison

2. Mechanical Properties Comparison

3. Applications

16Mo3:?Used for boilers, pressure vessels, and high-temperature applications.

ASTM A204 Grade A:?Used for pressure vessel plates in moderate and high-temperature service.

ASTM A387 Grade 12 Class 2:?Used for pressure vessels and boilers in high-temperature and hydrogen service.

4. Key Differences

Molybdenum Content:?ASTM A204 Grade A and ASTM A387 Grade 12 Class 2 have slightly higher molybdenum content compared to 16Mo3, which enhances their high-temperature strength.

Tensile Strength:?ASTM A387 Grade 12 Class 2 has a higher tensile strength range than 16Mo3.

Standards:?16Mo3 is governed by EN 10028-2, while ASTM standards govern ASTM A204 and A387.

Conclusion

The closest ASTM equivalents to 16Mo3 are:

ASTM A204 Grade A?for general pressure vessel applications.

ASTM A387 Grade 12 Class 2?for high-temperature and hydrogen service applications.

If you need further clarification or specific comparisons, feel free to ask! ??

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