Protecting Tubes – Metal-Pipe Sizes
For EXTRA heavy, schedule 80, pipe add suffix “H”, and consult factory for prices. (e.g., 12-304-12″-0-H)
| PROTECTING TUBE | PART NUMBER D=Length, E=Mounting Accessories, and F (see notes) |
||
|---|---|---|---|
| MATERIAL | SIZE | ||
| NPT | I.D. x O.D. | ||
| CARBON STEEL |
1/4 NPT | 0.364 x 0.540 | 14 - 118 - D - E - F |
| 1/2 NPT | 0.622 x 0.840 | 12 - 118 - D - E - F | |
| 3/4 NPT | 0.824 x 1.050 | 34 - 118 - D - E - F | |
| 1 NPT | 1.049 x 1.315 | 44 - 118 - D - E - F | |
| 304 SS | 1/4 NPT | 0.364 x 0.540 | 14 - 304 - D - E - F |
| 1/2 NPT | 0.622 x 0.840 | 12 - 304 - D - E - F | |
| 3/4 NPT | 0.824 x 1.050 | 34 - 304 - D - E - F | |
| 1 NPT | 1.049 x 1.315 | 44 - 304 - D - E - F | |
| 316 SS | 1/4 NPT | 0.364 x 0.540 | 14 - 316 - D - E - F |
| 1/2 NPT | 0.622 x 0.840 | 12 - 316 - D - E - F | |
| 3/4 NPT | 0.824 x 1.050 | 34 - 316 - D - E - F | |
| 1 NPT | 1.049 x 1.315 | 44 - 316 - D - E - F | |
| 446 SS | 1/4 NPT | 0.364 x 0.540 | 14 - 446 - D - E - F |
| 1/2 NPT | 0.622 x 0.840 | 12 - 446 - D - E - F | |
| 3/4 NPT | 0.824 x 1.050 | 34 - 446 - D - E - F | |
| 1 NPT | 1.049 x 1.315 | 44 - 446 - D - E - F | |
| INCONEL 600 |
1/4 NPT | 0.364 x 0.540 | 14 - 600 - D - E - F |
| 1/2 NPT | 0.622 x 0.840 | 12 - 600 - D - E - F | |
| 3/4 NPT | 0.824 x 1.050 | 34 - 600 - D - E - F | |
| 1 NPT | 1.049 x 1.315 | 44 - 600 - D - E - F | |
1. Mild Steel
Provides good protection at lower temperatures against oxidizing and reducing atmospheres and non-corrosive liquids and vapors. Maximum working temperature 700°C (1300°F).
2. 304 SS (18% Chrome/8% Nickel)
A general purpose material that has good resistance to corrosion and oxidation.
Maximum working temperature 875°C (1600°F).
3. 316 SS (16% Chrome/10% Nickel)
A material that has superior corrosion resistance as compared to 304 SS with improved oxidation resistance and a higher hot strength. Maximum working temperature 925°C (1700°F).
4. 446 SS (28% Chrome)
Has excellent resistance to corrosion and oxidation. It is highly resistant to sulphur atmospheres, salt baths and molten non-ferrous metals. maximum working temperature 1100°C (2000°F).
5. Inconel 600TM (75% Nickel/15% Chrome)
Combines good mechanical strength at elevated temperatures with high resistance to oxidation, corrosion and scaling. Not suitable for use in sulfurous atmospheres above 875°C (1600°F).
Maximum working temperature 1150°C (2100°F).
6. Inconel 601TM (60% Nickel/23% Chrome)
Has similar properties of Inconel 600 and offers improved resistance to sulfur attack at elevated temperatures.
7. Cast Iron
A low cost material used in molten aluminum and aluminum alloy applications and also has good resistance to acid and caustic solutions. Maximum working temperatures 875 °C (1600°F) reducing; 700°C (1300°F) oxidizing.