| Production Process | Alkali Phenolic Resin Sand | Silica Sol Medium-Temp Wax Investment Casting | Precision Shell Process |
|---|---|---|---|
| Max Dimension Range (mm) | 3000×3000×2000 | 1000×1000×800 | 1500×1200×1000 |
| Max Weight (kg) | 12000 | 400 | 2000 |
| Key Features | Small-batch, large-size casting production Dimensional accuracy: ISO‑8062 DCTG11 Surface roughness: Ra25 Flow surface: Ra12.5 | Compared with resin sand castings, it offers higher dimensional accuracy and a better surface roughness; hydraulic flow passages generally require no grinding or polishing. Dimensional accuracy: ISO‑8062 DCTG9 Surface roughness: Ra12.5 Flow surface: Ra6.3 | Small-batch; foam carving can replace pattern tooling. Dimensional accuracy: ISO‑8062 DCTG10 Surface roughness: Ra25 Flow surface: Ra12.5 |
| Main Materials | Austenitic stainless steel, martensitic stainless steel, duplex stainless steel, carbon steel, nickel-based alloys | ||
| Applications | Gas transmission, ventilation, exhaust, heating, equipment cooling | ||