Stainless Steel Square Tube

ASTM A554 304 stainless steel square tube manufactured to precision tolerances, available in a wide range of sizes with polished or brushed finish options, ideal for architectural structures, handrails, and decorative frameworks.

S355J2H is a European standard hot-finished seamless or welded structural hollow section specified under EN 10210-2. The "S" stands for structural steel, "355" indicates minimum yield strength of 355 MPa (at 16mm thickness), "J2" denotes impact testing at -20°C, and "H" signifies hollow section. S355J2H Rectangular Tube is widely used in load-bearing structures, steel frameworks, bridges, cranes, and heavy machinery where high strength, good weldability, a

What Is ASTM A554? ASTM A554 is the American standard for welded stainless steel mechanical tubing in round, square, and rectangular shapes. It is specifically designed for mechanical and structural applications – not for pressure service (use ASTM A269 or A312 for pressure). Square tubes under ASTM A554 are produced as cold-formed welded tubes from stainless steel strips, then heat-treated and finished to meet mechanical property requirements. The standard covers multiple

What Is ASTM A500? ASTM A500 is the American standard for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is the go-to specification for structural applications where strength, weldability, and economy are required. Square steel tubes under ASTM A500 are produced as cold-formed welded tubes, then heat-treated to remove internal stresses and improve mechanical properties. The standard covers four grades: A, B, C, and