ASTM B462 UNS N10276 / Hastelloy C276 Weld Neck Flange Nickel Alloy WNRF Flange

B16.5 Forged Flanges ASTM B462 UNS N10276 / 2.4819 / Hastelloy C276 WNRF Flange

Hastelloy C276 has a excellent resistance to localized corrosion, stress corrosion cracking, oxidizing and reducing media, which is suit for a wide variety of chemical process environments, including ferric and cupric chlorides, hot contaminated media (organic and inorganic), formic and acetic acids, seawater and brine solutions. Meanwhile, Hastelloy C276 is the few kinds of material that can withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide.

Equivalent Grades for Hastelloy C276

Hastelloy C276 Chemical Composition

Hastelloy C276 Mechanical properties(Minimum value at 20℃)

-N10276 Welding Neck Flange(WNF) & Long Welding Neck Flange(LWNF)
-N10276 Slip-on Flange(SOF)
-Lap Joint Flange(LJW)
-N10276 bind Flange
-Socket Welding Flange (SWF)
-Threaded Flange(THW)
-Plate Flange

ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSI B16.48 flange
slip on flange, Weld Neck Flange ,Threaded Flange Blind Flange

Here are some key advantages of using Hastelloy C276 flanges:

1. Corrosion Resistance: Hastelloy C276 is highly resistant to pitting, crevice corrosion, and stress corrosion cracking, making it suitable for aggressive environments like chemical processing and marine applications.

2. Temperature Tolerance: The alloy maintains its strength and corrosion resistance at high temperatures, allowing it to perform well in extreme conditions.

3. Versatility: It can be used in a wide range of environments, including those exposed to hydrochloric acid, sulfuric acid, and other corrosive chemicals.

4. Weldability: Hastelloy C276 has excellent weldability and can be easily fabricated into complex shapes without losing its desirable properties.

5. Durability: Dimensions hold well under mechanical stress, contributing to the longevity of flanged connections in industrial systems.

6. Low Maintenance: Due to its durability and resistance to corrosion, components made from Hastelloy C276 often require less maintenance and replacement, reducing overall operational costs.

Application

• Marine environment, engineering
• Desalination systems
• Flue gas desulfurization equipment
• Reaction vessels for pharmaceutical production
• Waste treatment
• Pollution control
• Piping Connection