brief

28 alloy (UNS N08028, W.Nr.1.4563) is a nickel-iron-chromium alloy added with molybdenum and copper. It has excellent resistance to reduction and oxidation of acid, stress corrosion cracking, pitting and crevice corrosion. The alloy is resistant to sulfuric acid and phosphoric acid. For chemical processing, pollution control equipment, oil and gas pipelines, nuclear fuel reprocessing, acid production and pickling equipment.

introduction

Chemical Composition Wt.%

Ni

Cr

Mo

Cu

C

Mn

S

Si

Fe

max

32

28

4

1.5

0.02

2

0.03

1

bal

min

30

26

3

0.8

Physical Constants

density

8.08g/cm³

Melting point

1357-1430?

Mechanical Constants

Alloy state

tensile strength (MPA) Rm N/mm2

Yield Strength(MPA) RP0.2N/mm2

Elongation

A5 %

Incoloy 28

500

215

40