ASTM A53 is Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

Low-temperature alloy pipes refer to alloy steel pipes with good mechanical properties and corrosion resistance used in low-temperature environments.

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Available grades of A519 steel pipe include 1026, 4130, and 4140. It covers several grades of hot-rolled or cold-rolled carbon steel or alloy steel mechanical pipes. ASTM A519 Grade 1026 Seamless Pipe Designation 4130 Tensile/Mechanical Properties: Hot Rolled Ultimate Strength 90 ksi, 621 Mpa, Yield Strength 70 ksi, 483 Mpa, Hardness 89.