Description
Custom 450 Martensitic Stainless Steel Certified Reference Material (CRM)
This Custom 450 certified reference material is a martensitic stainless 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 Custom 450 Stainless Steel Chemical Compositions:
| Element | Composition 1 |
| Al | 0.005% |
| As | 0.0044% |
| B | 0.0006% |
| C | 0.032% |
| Cr | 14.39% |
| Co | 0.024% |
| Cu | 1.54% |
| Mn | 0.76% |
| Mo | 0.722% |
| Ni | 6.35% |
| Nb | 0.63% |
| N | 0.0148% |
| O | 0.003% |
| P | 0.019% |
| Si | 0.26% |
| S | 0.0018% |
| Sn | 0.009% |
| Ti | 0.002% |
| W | 0.020% |
| V | 0.041% |
| Zr | 0.003% |
Custom 450 Stainless Steel Chemical Range:
| Element | Composition |
| C | 0.05% max |
| Si | 1% max |
| Mn | 1% max |
| Ni | 5-7% |
| P | 0.03% max |
| S | 0.03% max |
| Cr | 14-16% |
| Mo | 0.5-1% |
| Nb | 8xC min |
| Cu | 1.25-1.75% |
| Fe | Balance |
Other Names:
UNS 45000, AMS 5763, AMS 5773, AMS 5859, AMS 5863, ASTM A564 (XM-25), ASTM A693 (XM-25), ASTM A705 (XM-25)
Available material forms and sample sizes:
- XRF: Disc - 1/8" thick, 1.5" diameter
- OES: Disc - 3/4" thick, 1.5" diameter
- Chips: 50g of chips
Please Contact Us if you would like to know the specific dimensions of a sample.

