ERW (Electric Resistance Welded) and SAW (Submerged Arc Welded) are two common methods for manufacturing steel pipes.

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ASTM A335 P11 is a grade of seamless ferritic alloy steel pipe specifically intended for high-temperature service.

ASTM A53 Grade B ERW (Electric Resistance Welded) steel pipe is a type of carbon steel pipe that conforms to the specifications outlined in ASTM A53/A53M,

ASTM A106 pipe is a seamless carbon steel pipe that is commonly used for high-temperature service.