Product Description
ASTM A519 is a seamless mechanical carbon and alloy steel tubing specification designed for applications requiring high strength, precision, and uniformity. Manufactured without a weld seam, A519 tubing provides superior structural integrity and is commonly used in mechanical components such as shafts, bearings, and hydraulic cylinders.
Product Benefits
High strength and durability. Seamless construction for enhanced reliability. Excellent machinability and formability. Consistent mechanical properties throughout the tubing. Suitable for high-stress applications. Available in a wide range of sizes and grades.
Product Advantages
No weld seam eliminates potential weak points. Superior performance in demanding mechanical applications. Tight dimensional tolerances for precision parts. Wide selection of carbon and alloy grades. Excellent surface finish for secondary processing.
Specifications & Requirements
Manufactured to ASTM A519 standards. Available in multiple carbon and alloy grades such as 1026, 4130, and 4140. Meets specified chemical composition limits. Mechanical properties vary depending on grade and heat treatment. Produced in accordance with dimensional tolerance requirements.
Product Properties
High tensile and yield strength. Good toughness and fatigue resistance. Excellent machinability. Uniform grain structure. Suitable for heat treatment and hardening processes.
Product Wall Thickness Options
Available in a wide range of wall thicknesses from precision thin-wall to heavy-wall tubing. Custom sizes may be produced based on application requirements.
Product Materials & Manufacturing
Manufactured from carbon and alloy steel. Produced using seamless methods such as hot finishing or cold drawing. May undergo additional processes such as heat treatment, annealing, or stress relieving. Secondary services include cutting, machining, and finishing.
Product Comparable Options
ASTM A513 mechanical tubing for welded applications. DOM tubing for tighter tolerances and improved surface finish. ASTM A106 pipe for pressure applications.
Additional Notes
Commonly used in automotive, construction equipment, energy, and industrial machinery. Ideal for applications requiring high strength and precision. Grade selection depends on strength and performance requirements.