Protective Film
The thin plastic layer on a stainless sheet is not [...]
Surface Condition
A purchase order line reads: 304 stainless steel, 1.5 mm, 2B, [...]
Material Lot
Procurement teams often record "lot" and "heat number" as if [...]
Heat Number
When a sheet metal order arrives with material test reports, [...]
Material Traceability
Specifying "traceable material" on a drawing sounds straightforward — until [...]
Mill Certificate
A missing mill certificate can hold up a shipment of [...]
Material Certificate
When a shipment of sheet metal parts arrives at your [...]
Sheet Metal Thickness Tolerance: Why It Varies and How to Specify It
Every sheet of metal you order has a nominal thickness [...]
Sheet Metal Thickness Explained: Why Gauge Alone Is Not Enough
Ask a fabricator for “16 gauge”, and the actual thickness [...]
Sheet Metal Material Specifications Explained: Standards, Tolerances, Finishes, and Verification
A material specification is a technical document — or a [...]
