Alloy C276 (HASTELLOY C276)


Hastelloy C270
ASTM B574 N10276
ASTM F467 (Nuts)
ASTM F468 (Bolts)
ASME SB574 N10276


Base Element Ni (Nickel)

Element Min Max
Co (Cobalt) 2.5
V(Vanadium) 3.5
P(Phosphorus) 0.4
S (Sulphur) 0.03
Ni (Nickel) Bal
Cr (Chromium) 14.5 16.5
Mn (Manganese) 1.0
Mo (Molybdenum) 15.0 17.0
C (Carbon) 0.010
Si (Silicon) 0.08
Fe (Iron) 4.0 7.0
W (Tungsten) 3.0 4.5
Mechanical Property Min Max
Ultimate Tensile Strength (UTS) 690 MPa
0.2% Yield Stress 283 MPa
Elongation 4D 40%


Digester’s and bleach plants in the paper industry.
Components exposed to sour gas.
Equipment for flue-gas desulfurisation plants.
Evaporators, heat exchangers, filters and mixers used in sulphuric acid environments.
Organic chloride process equipment.
Equipment for processes utilizing halide or acid catalysts.


Resistant to wet chloride gas, hypochlorite and chlorine dioxide solutions.
Exceptional resistance to strong solutions of oxidatizing salts, such as ferric and cupric chlorides.
Not prone to grain precipitation in the welded condition and therefore suitable for many chemical process applications.

Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
This page is protected by copyright but may be freely distributed but not reproduced without permission.

Leave a Reply