| 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.
Note: Hastelloy is a registered trademark of Haynes International, Inc.
