What is A672 Grade D80 made of?
A672 Grade D80 pipe is a kind of electro-melt welded steel pipe for medium temperature and high pressure, its specific material composition and characteristics are as follows:
A672 Grade D 80 Chemical composition (%)
| composition | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | |
|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of finished products | Min | - | 0.13 | 0.64 | - | - | - | - | - | - |
| Max | 0.24 | 0.55 | 1.46 | 0.025 | 0.025 | 0.29 | 0.28 | 0.38 | 0.09 |
| composition | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | |
|---|---|---|---|---|---|---|---|---|---|---|
| Melting analysis | Min | - | 0.15 | 0.7 | - | - | - | - | - | - |
| Max | 0.24 | 0.5 | 1.35 | 0.025 | 0.025 | 0.25 | 0.25 | 0.35 | 0.08 |






