SRM 663
Chromium- Vanadium Steel
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Source
NIST
Form
Rod
Notes
| Element | WT% |
| Au | 0.0005% |
| La | 0.0006% |
| Sb | 0.002% |
| Pb | 0.0022% |
| S | 0.0055% |
| As | 0.01% |
| P | 0.029% |
| W | 0.046% |
| Co | 0.048% |
| Nb | 0.049% |
| Ti | 0.05% |
| Zr | 0.05% |
| Cu | 0.098% |
| Al | 0.24% |
| Mo | 0.3% |
| V | 0.31% |
| Ni | 0.32% |
| C | 0.57% |
| Si | 0.74% |
| Cr | 1.31% |
| Mn | 1.5% |
| Fe | 94.3192% |
| Compound | WT% |
