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ASTM A519 Grade 1137 is a high-strength carbon steel specification used for seamless mechanical tubing in demanding industrial applications. This grade belongs to the resulfurized carbon steel category and is known for its excellent machinability, durability, and dimensional accuracy. It is widely used in industries such as automotive, engineering, machinery manufacturing, and heavy equipment where precision mechanical tubing is required.
ASTM A519 1137 tubing contains a balanced chemical composition with approximately 0.32–0.39% carbon and 1.35–1.65% manganese, along with controlled levels of phosphorus and sulfur. This composition provides enhanced machinability and improved mechanical performance, making it suitable for components that require strength and wear resistance.
