SRM 1227
Carbon Steel
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Source
NIST
Form
Disc
Notes
1% Carbon
| Element | WT% |
| V | 0.002% |
| Mo | 0.003% |
| Co | 0.003% |
| Cu | 0.006% |
| Ni | 0.007% |
| P | 0.014% |
| Cr | 0.019% |
| S | 0.026% |
| Si | 0.215% |
| Mn | 0.402% |
| C | 0.97% |
| Fe | 98.333% |
| Compound | WT% |
