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ASTM A53 Grade B is a standard specification established by ASTM (American Society for Testing and Materials) for black carbon steel pipes.

ASTM A334 is a forged seamless carbon steel pipe that is one of the standard specifications for cryogenic applications.

ASTM A335 is often called as chrome moly pipe because of the chemical contain of Molybdenum (Mo) and Chromium (Cr). Molybdenum increases the strength of steel and Chromium (or chrome) is the essential constituent of stainless steel.

ASTM SA/A106 seamless carbon steel pipe is a kind of seamless steel pipe widely used in high temperature and high pressure environment.