ASTM A500 Steel Tube – Emirerri Steel

At Emirerri Steel, we pride ourselves on providing top-quality ASTM A500 Steel Tube, a widely used specification for cold-formed, welded, and seamless carbon steel structural tubing. This material is essential in industries such as construction, automotive, infrastructure, and manufacturing, offering superior strength, durability, and weldability. Our ASTM A500 tubing is available in multiple shapes, including ASTM A500 square tube, ASTM A500 rectangular tube, and ASTM A500 round steel tube, and is classified into Grade A, B, C, and D, each with unique mechanical properties. This article provides a comprehensive overview of ASTM A500 steel structural tubing, detailing its material composition, mechanical properties, dimensions, types, key features, and applications.

Material Composition and Mechanical Properties
At Emirerri Steel, we ensure that our ASTM A500 steel tubes are made from high-quality carbon steel, guaranteeing excellent performance in structural applications. The composition varies slightly across different grades but maintains essential elements to optimize strength and durability.
Chemical Composition (%)
Element Grade A Grade B Grade C Grade D
Carbon (C), max 0.26 0.26 0.23 0.23
Manganese (Mn), max 1.35 1.35 1.35 1.35
Phosphorus (P), max 0.035 0.035 0.035 0.035
Sulfur (S), max 0.035 0.035 0.035 0.035
Copper (Cu), min (if specified) 0.2 0.2 0.2 0.2

Mechanical Properties
Property Grade A Grade B Grade C Grade D
Yield Strength (ksi) 39 42 46 50
Tensile Strength (ksi) 45 58 62 58
Elongation (%) 25 23 21 23

Dimensions and Sizes
Our ASTM A500 structural tubing is available in a variety of sizes to meet the needs of different applications:
• Square Tubing: 10–800 mm square
• Round Tubing: 13.7–1214 mm outer diameter (OD)
• Rectangular Tubing: 10–400 mm wide by 20–800 mm long