Description
CDA C48500 Naval Brass Certified Reference Material (CRM)
This CDA C485 certified reference material is a copper 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 CDA 485 Naval Brass Chemical Composition:
| Element | Composition 1 |
| Cu | 60.7% |
| Ag | 0.0014% |
| Al | 0.002% |
| As | 0.004% |
| Be | 0.0006% |
| Bi | 0.0011% |
| C | 0.002% |
| Cd | 0.0010% |
| Co | 0.0010% |
| Cr | 0.0006% |
| Fe | 0.013% |
| Mg | 0.0005% |
| Mn | 0.0006% |
| Ni | 0.003% |
| P | 0.0018% |
| Pb | 1.69% |
| S | 0.0012% |
| Sb | 0.0040% |
| Si | 0.0037% |
| Sn | 0.73% |
| Zn | 36.8% |
CDA 485/C48500 Naval Brass Chemical Range:
| Element | Composition |
| Cu | 59-62% |
| Pb | 1.3-2.2% |
| Sn | 0.5-1% |
| Zn | Remainder |
| Fe | 0.10% |
Other Names:
High Leaded Naval Brass, Leaded Naval Brass, CDA 485, CDA C485, UNS C48500, ASTM B21/B21M, ASTM B124/B124M, ASTM B283/B283M, Federal QQ-B-639
Available material forms:
- XRF: ~1/8" thick disc, ~1.5" diameter
- OES: ~0.75" thick disc, ~1.5" diameter
- Chips: 50g of chips
Please Contact Us if you would like to know the specific dimensions of a sample.

