Haynes 556

Short Introduction:

  • 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.

Category:

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.