The standard pans with lids is designed according to GB21456 Annex A, for testing the energy efficiency and energy efficiency of household induction cookers. The pan and lid are made of Q235 steel, wich has a maximum carbon content of 0.08%,
The surface of the pan and the lid is smooth and polished to prevent rust. The thickness of the lid (t) is 1mm, the bottom of the pan can not convex outward, and the maximum concavity at the bottom is 0.6% times the effective diameter.
| Size of vessels | |||||
| Figure No. | A/mm | B/mm | H/mm | t/mm | Volume/L |
| B1 | Φ140 | Φ120 | 75 | 1.5 | 1 |
| B2 | Φ200 | Φ180 | 95 | 1.5 | 3 |
| B3 | Φ220 | Φ200 | 110 | 1.5 | 4 |
| B4 | Φ280 | Φ260 | 105 | 2.0 | 6 |

| Size of lids | ||||
| Figure No. | A/mm | B/mm | C/mm | t/mm |
| B1 | Φ82 | Φ126 | Φ146 | 1.0 |
| B2 | Φ142 | Φ186 | Φ206 | 1.0 |
| B3 | Φ162 | Φ206 | Φ226 | 1.0 |
| B4 | Φ222 | Φ266 | Φ286 | 1.0 |
