Anvil Metal Corporation is a known manufacturer of SS 201 / 202 /304 / 304L / 304H / 304LN / 304N / 316 / 316L Pipes and Tubes, which is the most common stainless steel. SS 304 Welded Tubes are readily braked or roll-formed into a variety of components for applications in the industrial, architectural, and transportation fields. Stainless Steel 304LWelded Pipes is a sought-after material for use in severely corrosive conditions. A213 SS 304L Seamless Tubes is the most versatile and also widely used alloy in the stainless steel family. Due to its controlled carbon content. Stainless Steel 304 Seamless Pipes contain both chromium and nickel metals as the main non-iron constituents.