
| Grade Designation | Standard Cast Grade | Equivalent Wrought Grade / UNS | Key Chemical Composition Balance (%) | Minimum Tensile Strength (MPa) | Minimum Yield Strength (MPa) | Core Applications |
| CF8 | ASTM A351 CF8 / J92600 | 304 / S30400 | Cr 18.0-21.0, Ni 8.0-11.0, C max 0.08, Si max 2.00, Mn max 1.50, Fe Balance | 485 | 205 | General valve bodies, pump housings, food process equipment, architectural castings |
| CF3 | ASTM A351 CF3 / J92700 | 304L / S30403 | Cr 17.0-21.0, Ni 8.0-12.0, C max 0.03, Si max 2.00, Mn max 1.50, Fe Balance | 485 | 240 | Welded corrosion-resistant valves, chemical fluid fittings, low-temperature process equipment |
| CF8M | ASTM A351 CF8M / J92900 | 316 / S31600 | Cr 18.0-21.0, Ni 9.0-12.0, Mo 2.0-3.0, C max 0.08, Si max 1.50, Mn max 1.50, Fe Balance | 485 | 205 | Marine hardware, pulp and paper processing castings, chemical process pumps and valves |
| CF3M | ASTM A351 CF3M / J92800 | 316L / S31603 | Cr 17.0-21.0, Ni 9.0-13.0, Mo 2.0-3.0, C max 0.03, Si max 1.50, Mn max 1.50, Fe Balance | 485 | 205 | Marine welded components, pharmaceutical process castings, high-corrosion chemical valves |
Microstructure: Austenitic structure with typical 5 to 20 percent residual delta-ferrite content for weldability and crack resistance
Density: 7.9 g/cm³ (CF8 / CF3), 8.0 g/cm³ (CF8M / CF3M)
Cast Scrap Quality Criteria:
Free of foundry sand, investment molding shells, slag, heavy scale, and metallic dross
Strictly segregated between molybdenum-bearing grades (CF8M / CF3M) and non-molybdenum grades (CF8 / CF3)
Free of non-ferrous attachments, carbon steel inclusions, heavy oil, grease, paint, or chemical residues
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