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Hastelloy C276 and Inconel 625 are two highly corrosion-resistant nickel-based alloys widely used in demanding environments such as chemical processing, marine engineering, and aerospace. While they share similarities in corrosion resistance and high-temperature performance, their price points differ due to composition, production cost, and market demand. This article compares the prices of Hastelloy C276 and Inconel 625 across various product forms and factors affecting their cost.
Chemical Composition Comparison
| Element | Hastelloy C276 (%) | Inconel 625 (%) |
|---|---|---|
| Nickel (Ni) | Balance | 58 min |
| Molybdenum (Mo) | 15.0–17.0 | 8.0–10.0 |
| Chromium (Cr) | 14.5–16.5 | 20.0–23.0 |
| Iron (Fe) | 4.0–7.0 | 5.0 max |
| Niobium + Tantalum | – | 3.15–4.15 |
Price Comparison by Product Type (2025 Estimates)
| Product | Hastelloy C276 (USD/kg) | Inconel 625 (USD/kg) |
|---|---|---|
| Seamless Pipe | $110 – $135 | $95 – $120 |
| Welded Pipe | $90 – $115 | $80 – $105 |
| Plate/Sheet | $85 – $105 | $75 – $95 |
| Rod/Bar | $100 – $125 | $85 – $110 |
| Wire | $120 – $145 | $100 – $125 |
Factors Influencing Price Differences
- Raw Material Cost: Hastelloy C276 contains higher molybdenum, which is more expensive than other alloying elements.
- Processing Complexity: C276 requires advanced handling and is harder to machine, increasing production cost.
- Demand: Inconel 625 is widely used in aerospace and marine industries, benefiting from higher-volume production and lower per-unit cost.
- Availability: Inconel 625 is more readily available from global suppliers, contributing to competitive pricing.
Application-Based Price Consideration
| Application | Preferred Alloy | Reason | Cost Sensitivity |
|---|---|---|---|
| Marine Exhaust Systems | Inconel 625 | Good corrosion resistance, cost-effective | Moderate |
| Chemical Reactors | Hastelloy C276 | Superior resistance to strong acids | Low |
| Heat Exchangers | Either | Depends on media type | Medium |
Supplier Pricing Trends
| Region | Hastelloy C276 Avg Price | Inconel 625 Avg Price |
|---|---|---|
| USA | $130/kg | $110/kg |
| Europe | $125/kg | $105/kg |
| India | $115/kg | $95/kg |
| China | $110/kg | $90/kg |
Conclusion
Both Hastelloy C276 and Inconel 625 offer excellent corrosion resistance, but Hastelloy C276 typically comes at a premium due to its higher molybdenum content and niche application. Inconel 625 provides a more cost-effective solution for high-performance needs where extremely aggressive corrosion is not the primary concern. Your material choice should balance cost, performance, and availability.
Related Questions
1. Which is more expensive, Hastelloy C276 or Inconel 625?
Hastelloy C276 is generally more expensive due to higher molybdenum content and greater resistance to harsh acids.
2. What are the typical prices per kg for Hastelloy C276 and Inconel 625 pipes?
As of 2025, Hastelloy C276 seamless pipe prices range from $110 to $135 per kg, while Inconel 625 pipes range from $95 to $120 per kg.
3. When should I choose Hastelloy C276 over Inconel 625?
Choose Hastelloy C276 for severe chemical environments involving acids like hydrochloric and sulfuric acid; use Inconel 625 for high-strength, corrosion-resistant applications with less chemical exposure.