Description
440C Martensitic Stainless Steel Certified Reference Material (CRM)
This AISI 440C certified reference material is a 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 440C Stainless Steel Chemical Composition:
| Element | Composition |
| Fe | Balance |
| C | 1.040% |
| Cr | 16.36% |
| Ni | 0.256% |
| Mn | 0.697% |
| Si | 0.614% |
| P | 0.0195% |
| S | 0.0012% |
| Al | 0.006% |
| As | 0.008% |
| B | 0.0005% |
| Co | 0.0212% |
| Cu | 0.184% |
| Mo | 0.488% |
| N | 0.0495% |
| Nb | 0.0074% |
| O | 0.0031% |
| Sb | 0.0027% |
| Sn | 0.011% |
| Ta | 0.004% |
| Ti | 0.0035% |
| V | 0.058% |
| W | 0.046% |
| Zr | 0.0017% |
440C Chemical Range:
| Element | Composition |
| Fe | Balance |
| C | 1.1% |
| Cr | 17% |
| Mn | 1% |
| Si | 1% |
| Mo | 0.75% |
Other Names:
Stainless Steel 440C, UNS S44004, AISI 440C, EN 1.4125, JIS SUS440C, ASTM A276, ASTM A580, AMS 5630
Available material forms:
- XRF: 1/8" thick disc, 1.5" diameter
- OES: 3/4" thick disc, 1.5" diameter
- Chips: 50g of chips
Please Contact Us if you would like to know the specific dimensions of a sample.