GB21456 Low Carbon Steel Test Pans With Calibration Certificate Issued by ISO17025 Lab
GB21456 Low Carbon Steel Test Pans with Calibration Certificate issued by ISO17025 Lab
1. Introduction
The standard pan is designed according to annex A, GB21456-2014, it is applied to evaluate the energy efficiency and energy efficiency grades. The pan and the lid are made of Q235 having a maximum carbon content of 0.08%, and 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. The surface of the pan and the lid should be smooth and polished to prevent rust.
2. Parameter
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 |

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