| Material | Application Scenario | Product and Process Feature Introduction | Remarks |
| HTANi15C u6Cr2 | Oil Extraction | Single weight: 1.252kg, made of high-nickel austenitic cast iron, complex wax mold, one-piece molding, narrow runner, complex shell making process, low temperature casting | Tolerance accuracy of castings dimensional tolerance standard ISO8062 (GB/T6414) CT6 grade |