# AS9250-AB |
| SRM-662 AISI 94B17 Steel | |
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Now the National Institute of Standards and Technology, NIST, Gaithersburg, MD USA |
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| Element | % |
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| srm-662-1 |
| srm-662-2 |
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| B | 0.0025 | | | |
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Rod 3.1mm diam, needs to be cut
National Bureau of Standards
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Polished SRM662 in T100-52 mount
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| C | 0.163 | | | |
| Al | 0.095 | | | |
| Si | 0.40 | | | |
| P | 0.044 | | | |
| S | 0.037 | | | |
| Ti | 0.084 | | | |
| V | 0.041 | | | |
| Cr | 0.30 | | | |
| Mn | 1.05 | | | |
| Fe | 95.26 | | | |
| Co | 0.30 | | | |
| Ni | 0.60 | | | |
| Cu | 0.51 | | | |
| As | 0.092 | | | |
| Zr | 0.20 | | | |
| Nb | 0.30 | | | |
| Mo | 0.070 | | | |
| Sn | 0.016 | | | |
| Sb | 0.012 | | | |
| La | 0.0004 | | | |
| Ta | 0.21 | | | |
| W | 0.21 | | | |
| Pb | 0.00043 | | | |
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| Sum | 100.0 | | | |
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