Hastelloy C-4/UNS N06455 sheet/bar/pipe
Equivalent designations
UNS N06455
DIN W. Nr. 2.4610
Form
ASTM
Rod
B 574
Plate, sheet and strip
B 575
Seamless pipe and tube
B 622
Welded pipe
B 619, B 775
Welded tube
B 626, B 751
Welding fitting
B 366
Chemical composition
%
Ni
Cr
Mo
Fe
Co
C
Mn
Si
P
S
Ti
min
balance
14.0
14.0
max
18.0
17.0
3.0
2.0
0.015
1.00
0.08
0.040
0.030
0.70
Physical properties
Density
8.64 g/cm3
Melting range
1350-1380℃
Features:Hastelloy C-4 has outstanding high-temperature stability, and has excellent resistance to stress-corrosion cracking and oxidizing atmospheres up to 1040℃. It has exceptional resistance to a wide variety of chemical process environments, including hot contaminated mineral acids, solvents, chlorine and chlorine contaminated media (organic and inorganic), formic and acetic acids, acetic anhydride, and seawater and brine solutions.
Applications:Chemical processing involving wet chlorine, hypochloric acid, hydrochloric acid, acetic acid and acetic anhydride; flue gas scrubber systems; pickling operations; and electro-galvanizing.