| Le formulaire |
ASTM |
| Barre |
B 572 |
| Plaque, feuille et bande |
B 435, B 906 |
| Tube et tube sans soudure |
B 622 |
| Tuyau soudé |
B 619, B 775 |
| Tube soudé |
B 626, B 751 |
| Raccord à souder |
B 366 |
| Billette et barre pour reforger |
B 472 |
Composition chimique
|
%
|
Fe
|
Cr
|
Ni
|
Co
|
Mo
|
W
|
C
|
Mn
|
Si
|
|
min
|
équilibre
|
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
|
Propriétés physiques
| Densité |
8.23 g / cm3 |
| Gamme de fusion |
1330-1415 ℃ |
Caractéristiques: 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.
Applications: Industrial waste incinerators, rotary calciners and kilns, hot-dip galvanizing equipment, aerospace industry high temperature components.
|
|
