Hastelloy C276 Tube Flange
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Hastelloy C276 Tube Flange

Hastelloy C276 Tube Flange are made up of the nickel chromium molybdenum alloy that is called hastelloy. The composition includes 50.99% nickel, 14.5% chromium, 15% molybdenum and carbon, manganese, silicon, sulfur, cobalt, iron and phosphorus in it. Hastelloy C276 Tube Flange have high melting point of 1370 degrees Celsius. This high melting point allows for higher operating temperatures of the flanges. The material also has 790MPa minimum tensile strength and 355MPa minimum yield strength.
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As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.

Product Introduction

Hastelloy C276 Tube Flange is a high-performance component made from Hastelloy C276, a nickel-chromium-molybdenum alloy renowned for its exceptional resistance to corrosion and high temperatures. This flange is designed for connecting and sealing tubes in demanding applications where superior durability and resistance to harsh environments are essential.

 

international Trade Names of Hastelloy C276 Tube Flange

 

UNS:

N10276

Specifications:

ASTM B564/ASME SB564

 

 

Size Schedule Chart of Hastelloy C276 Tube Flange

 

Nickel C276 Flange 1/2″ (15 NB) to 48″ (1200NB)
ASME SB564 Alloy C276 Slip on Flange 1/2″ NB – 12″ NB
ASTM B564 UNS N10276 Blind Flange 1/2″ NB – 24″ NB

 

Mechanical Characteristics of Hastelloy C276 Tube Flange

 

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy C276 8.89 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 790 Psi – 52,000 , MPa – 355 40 %

 

 

Hastelloy C276 Tube Flange Composition Standard

 

Grade C Mn Si S Co Ni Cr Fe Mo P
C276 0.010 max 1.00 max 0.08 max 0.03 max 2.50 max 50.99 min* 14.50 – 16.50 4.00 – 7.00 15.00 – 17.00 0.04 max

 

Hastelloy C276 Tube Flange Applications

 

  • Chemical Processing: Ideal for use in reactors, heat exchangers, and other equipment where resistance to corrosive chemicals is critical.
  • Aerospace: Used in high-temperature environments such as jet engines and exhaust systems.
  • Pollution Control: Suitable for flue gas desulfurization systems and other pollution control technologies.
  • Oil & Gas: Applied in offshore platforms and refining systems where exposure to corrosive substances is a concern.

 

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