ALLOY C276 TUBING

Alloy C276 is a nickel-molybdenum-chromium-tungsten super alloy, showing excellent resistance to mechanical and chemical degradation. The high nickel and molybdenum content impart remarkable corrosion resistance in reducing environments while chromium provides the same in an oxidizing media. Molybdenum also provides strong resistance to crevice corrosion and pitting. This alloy gives an excellent performance in a wide range of chemical processing conditions, often where nothing else works. Target applications include those involving strong oxidizers such as ferric and cupric chlorides and hot contaminated media (organic and inorganic), formic acid, seawater and brine solutions.

 

PRODUCTION SPECIFICATIONS
ASTM B622, B829/ASME SB622, SB829 NACE MRO175

 

ALLOY C276 (UNS N10276) CHEMICAL COMPOSITION % (MAX.)

Ni
Mo
Cr
Fe
W
Co
Mn
C
V
P
S
Si
Nickel
Molybdenum
Chromium
Iron
Tungsten
Cobalt
Manganese
Carbon
Vanadium
Phosphorus
Sulfur
Silicon
57.0 (MIN)
15.0-17.0
14.5-16.5
4.0-7.0
3.5-4.0
2.5
1.0
.01
.35
.04
.03
.08

 

Typical Applications
Equipment in Sulfuric Acid Environments ~ Pulp & Paper Production—Digesters, Bleach Plants
Chemical Processing—Organic/Inorganic Chlorides ~ Waste Treatment—Evaporators Sour Gas Well Environs ~ Pollution Control—Sulfur Compounds in Flue Gas

 

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