304 316 Stainless Steel Condenser Tube
Stainless steel is chosen for condenser tubes due to its excellent corrosion resistance, mechanical properties, and durability.
| Grade | 310 | |
| UNS No | S31000 | |
| Old British | BS | 304S31 |
| En | 58E | |
| Euronorm | No | 1.4841 |
| Name | X5CrNi18-10 | |
| Swedish SS | 2332 | |
| Japanese JIS | SUS 310 | |
| GOST | 20Ch25N20S2 | |
| Grade | DIN 1.4841 | |
|---|---|---|
| Density (kg/m3) | 7750 | |
| Elastic Modulus (GPa) | 200 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 15.9 |
| 0-3150C | 16.2 | |
| 0-5380C | 17.0 | |
| Thermal Conductivity (W/m.K) | at 1000C | 14.2 |
| at 5000C | 18.7 | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 720 | |
The density of 1.4841 is approximately 7.9g/cm³.
Weight calculation formula:
Weight (kg) = Width (mm) × Length (mm) × Thickness (mm) × Density (g/cm³) ÷1000
Processing and polishing:
1. During the processing and polishing of 4841 stainless steel, attention needs to be paid to the cutting speed and cutting depth. The surface can be treated through mechanical polishing, chemical polishing and other methods to improve its smoothness and aesthetics.





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