Hastelloy C276 is a nickel-molybdenum-chromium alloy with the addition of tungsten, renowned for its exceptional corrosion resistance in a wide range of harsh environments. Hastelloy C276 pipes are commonly used in chemical processing, pollution control, and oil and gas industries, where they encounter highly corrosive media and high temperatures. Here’s a comprehensive introduction to the properties, applications, and benefits of Hastelloy C276 pipes.
Hastelloy C276 Pipe Material Equivalent
STANDARD |
UNS |
WERKSTOFF NR. |
AFNOR |
EN |
JIS |
OR |
GOST |
Hastelloy C276 Pipe |
N10276 |
2.4819 |
– |
NiMo16Cr15W |
NW 0276 |
ЭП760 |
ХН65МВУ |
Material Composition Chart of Hastelloy C276 Pipe
Hastelloy C276 |
Ni |
C |
Mo |
Mn |
Si |
Fe |
P |
S |
Co |
Cr |
Balance |
0.01 max |
15 – 17 |
1.0 max |
0.08 max |
4 – 7 |
0.04 max |
0.03 max |
2.5 max |
14.5 – 16.5 |
Mechanical Characteristics of Hastelloy C276 Pipe
Density |
Melting Point |
Yield Strength (0.2%Offset) |
Tensile Strength |
Elongation |
8.89 g/cm3 |
1370 °C (2500 °F) |
Psi – 52,000 , MPa – 355 |
Psi – 1,15,000 , MPa – 790 |
40 % |
Key Advantages of Hastelloy C276 Pipe
- Versatile Corrosion Resistance:
Effective against both oxidizing and reducing agents.
- High Durability:
Excellent mechanical properties and toughness.
- Temperature Tolerance:
Maintains performance in high-temperature applications.
- Low Maintenance Costs:
Reduced need for replacement due to extended life.
Applications of Hastelloy C276 Pipe
Hastelloy C-276 pipes are used across industries requiring reliability and durability in corrosive environments, such as:
Chemical Processing: For reactors, evaporators, and transfer lines, handling aggressive chemicals.
Oil and Gas Industry: For sour gas wells, refining equipment, and in offshore platforms where saltwater exposure is common.
Pollution Control and Waste Treatment: In applications such as scrubbers, ducting, and stack liners in flue gas desulfurization systems.
Pharmaceutical and Food Processing: For equipment and piping that must meet stringent cleanliness standards and handle corrosive agents.