API 5L X60 is a specification for line pipe with a minimum yield strength of 60,000 psi, commonly used in the transportation of oil and gas. When seeking an equivalent in the ASTM standards, there are a few options to consider:
ASTM A106 Grade B and C:
ASTM A106 Grade B: This specification covers seamless carbon Steel pipe for high-temperature service. The yield strength for Grade B is typically 35,000 psi, which is lower than API 5L X60.
ASTM A106 Grade C: The yield strength for Grade C is approximately 40,000 psi, still lower than X60 but closer.
ASTM A53 Grade B and C:
ASTM A53 Grade B: This specification covers seamless and welded black and hot-dipped galvanized steel pipe. The yield strength for Grade B is 35,000 psi.
ASTM A53 Grade C: The yield strength for Grade C is also 35,000 psi.
ASTM A333 Grade 6:
This specification covers seamless and welded steel pipe for low-temperature service. The yield strength is around 35,000 psi.
ASTM A572 Grade 60:
ASTM A572 Grade 60: This specification covers high-strength, low-alloy structural steel. The yield strength for Grade 60 is 60,000 psi, making it a closer match to API 5L X60 in terms of yield strength.
While there isn't a perfect ASTM equivalent to API 5L X60, ASTM A572 Grade 60 is the closest in terms of yield strength. For specific applications, it's essential to consider the chemical composition, mechanical properties, and intended use to determine the best equivalent. Consulting with material engineers or suppliers can provide further guidance for your specific needs.
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