ASTM A519 Grade 1026 is a specification for seamless carbon steel mechanical tubing used in mechanical and pressure applications. Here are the material properties for ASTM A519 Grade 1026:

Chemical Composition (Heat Analysis):

Carbon (C): 0.22-0.28%

Manganese (Mn): 0.60-0.90%

Phosphorus (P): 0.040% max

Sulfur (S): 0.050% max

Mechanical Properties (for Round, Square, and Rectangular Tubing):

Tensile Strength: 75,000 psi (517 MPa) minimum

Yield Strength: 65,000 psi (448 MPa) minimum

Elongation in 2 inches (50 mm): 10% minimum

Hardness: 89 HRB maximum (typical)

Physical Properties:

Density: 7.85 g/cm³ (0.284 lb/in³)

Electrical Resistivity: 0.0000159 ohm-cm

Heat Treatment:

Condition: ASTM A519 Grade 1026 tubing is often supplied in the normalized or hot-finished condition. It may also undergo further heat treatment processes such as quenching and tempering to achieve desired mechanical properties.

Applications:

Automotive Components: Parts requiring high strength and good machinability, such as shafts, axles, and other structural elements.

Pressure Tubing: Used in hydraulic cylinders, pressure vessels, and other applications where precise dimensions and high strength are required.

Machinery: Components in machinery and equipment that benefit from high strength and good machinability.

Summary:

ASTM A519 Grade 1026 is a versatile mechanical tubing material with good strength, ductility, and machinability. It is commonly used in applications that require precise dimensions and high mechanical properties, such as automotive components, pressure tubing, and various machinery parts.