Zinc Coated ERW Steel Tube for refrigeration is manufactured through Electric Resistance Welding (ERW) process and then coated with zinc to prevent rust and corrosion. It is widely used in refrigeration systems due to its excellent durability and resistance to low temperatures.
| Type | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| Cold Rolled Low Carbon Steel | ≤0.08 | ≤0.03 | ≤0.30 | ≤0.030 | ≤0.030 |
| Cold Rolled Ultra-Low Carbon Steel | ≤0.008 | ≤0.03 | ≤0.25 | ≤0.020 | ≤0.030 |
Usual Diameter: 4, 4.2, 4.76, 6, 6.35, 7.8 mm (4-12 mm available in production)
Usual Thickness: 0.5, 0.65, 0.7 mm (0.45-1.5 mm available in production)
Annual Output: 30,000 MT
Surface coated copper or zinc available, time of salt spray testing reach to 240 hours.
| O.D (mm) | Thickness (mm) | Unit Weight (g/m) | Work Pressure (kg/m²) |
|---|---|---|---|
| 4.00 | 0.5 | 43.16 | 350 |
| 4.00 | 0.7 | 56.97 | 350 |
| 4.76 | 0.6 | 61.56 | 350 |
| 4.76 | 0.7 | 70.00 | 350 |
| 6.00 | 0.7 | 91.49 | 350 |
| 6.00 | 1.0 | 123.31 | 350 |
| 6.35 | 0.7 | 97.54 | 350 |
| 8.00 | 0.7 | 126.02 | 250 |
| 8.00 | 1.0 | 172.63 | 250 |
| 9.52 | 1.7 | 152.26 | 250 |
| 9.52 | 1.0 | 210.12 | 250 |
| 10.0 | 1.7 | 160.55 | 250 |
| 10.0 | 1.0 | 221.95 | 250 |
| 12.0 | 0.7 | 195.07 | 250 |
| 12.0 | 1.0 | 271.28 | 250 |
| 12.7 | 0.7 | 207.16 | 250 |
| 12.7 | 1.0 | 288.54 | 250 |