Description
Haynes 556
Material grades and equivalents: Haynes 556/ UNS R30556
Chemical composition:
% |
Fe |
Cr |
Ni |
Co |
Mo |
W |
C |
Mn |
Si |
min |
balance |
21.0 |
19.0 |
16.0 |
2.5 |
2.0 |
0.05 |
0.50 |
0.20 |
max |
23.0 |
22.5 |
21.0 |
4.0 |
3.5 |
0.15 |
2.00 |
0.80 |
|
% |
P |
S |
Al |
Ta |
Nb |
La |
Zr |
N |
B |
min |
0.10 |
0.30 |
0.005 |
0.001 |
0.10 |
||||
max |
0.040 |
0.015 |
0.50 |
1.25 |
0.30 |
0.10 |
0.10 |
0.30 |
0.020 |
Mechanical properties:
Density |
8.23 g/cm3 |
Melting range |
1330-1415℃ |
Characteristic as below：
-
Haynes 556 combines effective resistance to sulfidizing, carburizing and chlorine-bearing environments at high temperatures with good oxidation resistance, fabricability and excellent high temperature strength. It also resists to corrosion by molten zinc, molten chloride salts and other salts.
-
Processing conditions and application:
-
Industrial waste incinerators, rotary calciners and kilns, hot-dip galvanizing equipment, aerospace industry high temperature components.
