| Property | SS 316 | SS 304 | PPR | CPVC | HDPE | PVC |
|---|---|---|---|---|---|---|
| Relative Cost (Material + Install) |
$$$$$ (Very High) | $$$$ (High) | $$$ (Medium) | $$ (Low-Medium) | $$$ (Medium) | $ (Very Low) |
| Max. Temp. (Continuous) |
Very High (>250°C) | Very High (>250°C) | High (~95°C) | High (~93°C) | Low (~60°C) | Low (~60°C) |
| Chemical Resistance | Excellent | Good | Excellent | Good | Excellent | Fair |
| Scaling Resistance | Good | Good | Excellent | Excellent | Excellent | Excellent |
| Ease of Installation | Difficult | Difficult | Moderate | Easy | Moderate | Easy |
| Primary Use Case | Harsh/Saline, Food/Pharma | General Purpose, Food (no salt) | Hot & Cold Water (Potable) | Hot & Cold Water (Potable) | Cold Water Main, Gas, Industrial | Cold Water, Drainage, Irrigation |