Description
AISI S-7 Tool Steel Certified Reference Material (CRM)
This S7 certified reference material is a high-speed tool steel alloy widely used as a standard for calibrating and verifying your spectrometer (XRF, ICP-OES, Spark-OES, etc.). This material is precisely manufactured and certified to have traceable measurements and specified impurity levels, ensuring reliable results for laboratories performing calibration, quality control, and materials testing.
Certified S7 Chemical Composition:
| Element | Composition |
| Fe | Balance |
| Al | 0.015% |
| As | 0.005% |
| C | 0.51% |
| Co | 0.0106% |
| Cr | 3.28% |
| Cu | 0.128% |
| Mn | 0.271% |
| Mo | 1.39% |
| N | 0.0102% |
| Nb | 0.005% |
| Ni | 0.170% |
| O | 0.0023% |
| P | 0.021% |
| Pb | 0.0003% |
| S | 0.0032% |
| Sb | 0.0016% |
| Si | 0.47% |
| Sn | 0.006% |
| Ti | 0.0003% |
| V | 0.233% |
| W | 0.016% |
| Zn | 0.0011% |
S7 Industry Chemical Range:
| Element | Composition |
| Fe | Balance |
| C | 0.45-0.55% |
| Mn | 0.2-0.8% |
| Si | 0.2-1% |
| Cr | 3-3.5% |
| Mo | 1.3-1.8% |
| V | 0.2-0.3% |
| Cu | 0.25% max |
| P | 0.03% max |
| S | 0.03% max |
Other Names:
AISI S-7, Shock-Resistant Tool Steel S7, UNS T41907, DIN 1.2357, BS S7, Bohler S600, Crucible S7, ASTM A597 S-7, ASTM A681 S7
Available material forms:
- XRF: 1/8" thick disc, 1.5" diameter
- OES: 3/4" thick disc, 1.5" diameter
- Chips: 100g of chips
Please Contact Us if you would like to know the specific dimensions of a sample.