What is the difference between Hastelloy C22 and C276 Pipe Fittings

Jan 30

What are Hastelloy C22 and C276 Pipe Fittings?

If you’re in the market for some quality Hastelloy pipe fitting, you may have noticed there are two common grades available: Hastelloy C22 and C276. But what’s the difference between these two types of pipes? Hastelloy C22 Pipe Fittings and Hastelloy C276 Pipe Fittings differ in their chemical compositions and physical properties, which impact how they can be used and their performance when exposed to different conditions.

Hastelloy C22 is a nickel-chromium-molybdenum alloy that offers excellent resistance to pitting, crevice corrosion, stress corrosion cracking, and oxidization. It also has superior weldability and formability compared to other alloys. That makes it ideal for flue gas desulfurization systems, chemical process equipment, and pharmaceuticals.

Difference between Hastelloy C22 and C276 Pipe Fittings

On the other hand, Hastelloy C276 is a nickel-molybdenum-chromium alloy with even better corrosion resistance than C22, making it ideal for highly corrosive environments. It offers superior resistance to oxidizing acids like nitric acid, sulfuric acid, chlorine, chlorides, and formic and acetic acids. It’s also great for applications such as wet scrubbers in pollution control systems or oil refining processes.

So, consider their respective advantages if you need to choose between Hastelloy C22 Pipe Fitting and C276 pipe fitting. While both are highly corrosion-resistant, Hastelloy C22 is excellent for use in mildly corrosive environments and has superior weldability, while Hastelloy C276 is more appropriate for highly corrosive settings. It all comes down to your specific needs and the conditions in which you plan to use them.

Price of Hastelloy C22 and C276 Pipe Fittings

The welding supplies for C276 are simpler to locate when making a purchase. There are just one or two inventory stores for the welding supplies for C22. Utilization-wise, Hastelloy C22 Pipe Fitting outperforms C276. However, those two can be applied in the majority of situations. Due to minor changes in their components, those two are almost identical in terms of material cost. Additionally, since C22 has a lower density than C276, its price should have been lower. Hastelloy C276 Pipe Fittings cost more since they can’t be made and delivered in large quantities, nevertheless.