SS304 inner
18/8 food-grade austenitic steel - the non-reactive cooking surface.
Technical Data
Tri-Ply Circle Specifications
The complete technical sheet - composition, gauges, diameters, finishes and standards.
Composition
| Layer | Material | Share |
|---|---|---|
| Inner layer (food contact) | SS304 stainless steel | 20-30% |
| Core | Pure aluminium | 30-40% |
| Outer layer | SS430 magnetic stainless steel | 30-40% |
Dimensions & finishes
| Parameter | Range | Notes |
|---|---|---|
| Thickness | 0.8 - 3.0 mm | 2.0 / 2.5 / 3.0 mm most common for cookware |
| Diameter | 200 - 500 mm | Custom diameters on request |
| Finish | Polished / Matte / 2B / BA | PVC interleaving available |
| Standard | ASTM A240 | Mill test certificates on request |
| Tolerance | ±0.05 mm thickness | Precision blanking |
Confirm exact stock sizes before ordering - custom blanks to your drawing.
Grades we work with
SS430 outer
Magnetic ferritic steel - induction compatibility and strength.
Aluminium core
High-purity aluminium - the heat engine of the sandwich.
5-ply on request
SS304 + Al + SS430 + Al + SS430 and copper-core constructions.
Tell us what you need - we will quote within 24 hours.
Finished cookware, private label, or raw tri-ply circles. One message is all it takes.