ASTM B464 UNS N08020 Pipe Specification
ASME SB 464 Welded Pipe
About ASTM B 464 pipe
International Specification

Useful Information
Chemical Composition Limits
| Elements | Composition, % |
|---|---|
| UNS N08020 | |
| Carbon, max | 0.07 |
| Manganese, max | 2.00 |
| Phosphorous, max | 0.045 |
| Sulfur, max | 0.035 |
| Silicon, max | 1.00 |
| Nickel | 32.00 - 38.00 |
| Chromium | 19.00 - 21.00 |
| Molybdenum | 2.00 - 3.00 |
| Copper | 3.00 - 4.00 |
| Columbium(Nb) +Tantalum | 8 x carbon 1.00 |
| Iron | remainder |
Mechanical Properties and Other Requirements
| Grade | Tensile Strength, min, psi (MPa) | Elongation 2inches or 50.8mm or 4D min, % | Yield Strength (0.2% offset) | ||
|---|---|---|---|---|---|
| min | |||||
| ksi | MPa | ksi | MPa | ||
| Alloy 20 | 80 | 551 | 30.0 | 35 | 241 |
Our Products
| ASTM B464 Welded Pipe | |||
|---|---|---|---|
| Welded Pipe | Grade | UNS No | ASTM |
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ASTM B464 UNS N02200 |
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ASTM B464 Alloy 20 Welded Pipe NB Sizes and Schedule Chart
| NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
|---|---|---|---|---|---|
| 1/8″ | ✔ | ✔ | ✔ | ✔ | |
| 1/4″ | ✔ | ✔ | ✔ | ✔ | |
| 3/8″ | ✔ | ✔ | ✔ | ✔ | |
| 1/2″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 3/4″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 1″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 1 1/4″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 1 1/2″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 2″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 2 1/2″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 3″ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 3″ | ✔ | ✔ | ✔ | ✔ | ✔ |
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