What is Secondary Steel? In the metal supply industry, “secondary steel” refers to metal that does not meet the exact prime specifications of its original mill run, or lacks official Mill Test Reports (MTRs). It can also refer to metal that has undergone secondary processing after the initial steel-making phase.

Unlike prime steel, secondary metal may feature minor surface defects, gauge variations, or chemical compositions that fell slightly outside the target parameters.

Why Use Secondary Steel? Secondary steel is a highly cost-effective alternative to prime steel. Because its market demand is separated from prime commodities, it provides substantial cost benefits to manufacturers. It is readily available in a variety of dimensions, lengths, and types, and can be easily slitted or cut-to-length to meet alternate customer specifications.

Common Applications Secondary steel is ideal for projects where exact chemical certifications are not structurally or legally mandated. It is frequently utilized in:

• Agricultural equipment and fencing

• Non-critical structural brackets

• General fabrication and stamping

• Temporary construction fixtures

FAQ Section

• What is the difference between primary and secondary steel? Primary (or prime) steel comes with a Mill Test Report (MTR) guaranteeing its exact chemical composition and mechanical properties. Secondary steel does not have these certifications, often due to minor defects or missing paperwork, making it much more affordable.

• Is secondary steel the same as scrap? No. Scrap metal is intended to be melted down and recycled. Secondary steel is fully useable, structurally sound metal that is ready for fabrication, just without the premium price tag of prime certification.