Hastelloy B2

Hastelloy B2 (UNS N10665/W.Nr. 2.4617/Alloy B2) is a solid solution strengthened nickel-molybdenum alloy with minor additions of carbon, silicon, and iron. It has good resistance to hydrogen chloride, sulfuric acid and phosphoric acid, and has excellent resistance to stress corrosion cracking and pitting corrosion at high temperatures. The significantly reduced carbon content makes Hastelloy B2 less susceptible to reduced corrosion resistance of the weld zone under welding conditions. Can be used in reducing chemical environments and chemical processing industries. However, Hastelloy B2 should not be used at temperatures between 1000°F and 1600°F, nor in oxidizing media.

Hastelloy B-2 (UNS N10665) is a solid solution strengthened nickel-molybdenum alloy commonly used in extreme reducing conditions. Compared to its predecessor Hastelloy B (UNS N2), Hastelloy B-10001 has significantly lower carbon, silicon and iron contents, making the alloy less susceptible to degradation in weld zone corrosion resistance in the welded condition. Controlling other alloying elements, such as iron and chromium, solves other problems related to manufacturability. Strict chemical control and years of development have resulted in the alloys used today, whether Hastelloy B-2 or Hastelloy B-3. Hastelloy B-2, with its limited chemical composition, can be used in welding conditions and SCC is less likely to occur in many cases. situation. As always, care must be taken when selecting the appropriate alloy for the desired application.

Hastelloy B-2 should not be used at temperatures between 1000°F and 1600°F because the alloy can form secondary phases that reduce the ductility of the material.

The following table shows the chemical composition of HASTELLOY(r) B-2.

• Excellent resistance to stress corrosion cracking and pitting corrosion
• Significant resistance to reducing conditions such as hydrogen chloride, sulfuric acid, acetic acid and phosphoric acid
• Resistant to hydrochloric acid at all concentrations and temperatures

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A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.

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A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

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Q: Can you provide sample ?

A: Yes. We can provide the small samples in stock for free, as long as you contact us.Customized samples will take about 5-7 days.

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