ASTM A511/A511M is a standard specification from ASTM International that covers seamless stainless steel mechanical tubing. This specification applies to tubing used in mechanical applications where corrosion resistance or high-temperature strength is needed. It includes both cold-finished and hot-finished tubes, with sizes up to 12 3/4 inches (313.8 mm) in outside diameter and various wall thicknesses.

304 stainless steel square pipes are ideal for photovoltaic (PV) mounting structures, offering durability, corrosion resistance, and structural stability in outdoor solar installations.

304 stainless steel (EN 1.4301) typically contains 18% chromium, 8% nickel, and a maximum of 0.07% carbon, offering a balanced combination of corrosion resistance and formability.

The main difference between 1.4301 and 1.4306 is the carbon content, 1.4306 has a lower carbon content (0.03% max) than 1.4301 (0.07% max), which improves its weldability and resistance to intergranular corrosion.

ASTM A480/A480M-25 specifies uniform technical requirements for flat-rolled stainless steel plates, sheets and strips. Its core function is to coordinate the common requirements between different product standards, such as chemical composition verification, dimensional tolerances, surface quality, mechanical properties test methods, etc.

304 stainless steel cladding sheet offers excellent corrosion resistance and an attractive finish, ideal for architectural and decorative applications.