1.1 These test methods cover the chemical analysis of chromium and ferrochromium having chemical compositions within the following limits:
| Element | Concentration, % |
| Aluminum | 0.25 max |
| Antimony | 0.005 max |
| Arsenic | 0.005 max |
| Bismuth | 0.005 max |
| Boron | 0.005 max |
| Carbon | 9.00 max |
| Chromium | 51.0 to 99.5 |
| Cobalt | 0.10 max |
| Columbium | 0.05 max |
| Copper | 0.05 max |
| Lead | 0.005 max |
| Manganese | 0.75 max |
| Molybdenum | 0.05 max |
| Nickel | 0.50 max |
| Nitrogen | 6.00 max |
| Phosphorus | 0.03 max |
| Silicon | 12.00 max |
| Silver | 0.005 max |
| Sulfur | 0.07 max |
| Tantalum | 0.05 max |
| Tin | 0.005 max |
| Titanium | 0.50 max |
| Vanadium | 0.50 max |
| Zinc | 0.005 max |
| Zirconium | 0.05 max |
1.2 The analytical procedures appear in the following order:
| Sections | |
| Arsenic by the Molybdenum Blue Photometric Method | 9-19 |
| Lead by the Dithizone Photometric Method | 20-30 |
| Chromium by the Sodium Peroxide Fusion-Titrimetric Method | 31-37 |
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 5.
Product Details
- Published:
- 06/10/2003
- Number of Pages:
- 5
- File Size:
- 1 file , 49 KB
- Redline File Size:
- 2 files , 82 KB
