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Nickel Alloy 20 (UNS N08020) /DIN2.4660

Short Description:

Alloy 20 stainless steel is a super-austenitic stainless alloy developed for maximum corrosion resistance to sulfuric acid and other aggressive environments not suitable for typical austenitic grades.

Our Alloy 20 steel is a solution for stress corrosion cracking that can occur when stainless steel is introduced to chloride solutions. We supply Alloy 20 steel for a variety of applications and will help in determining the precise amount for your current project. Nickel Alloy 20 is readily fabricated to produce mixing tanks, heat exchangers, process piping, pickling equipment, pumps, valves, fasteners and fittings. Applications for alloy 20 requiring resistance to aqueous corrosion are essentially the same as those for INCOLOY alloy 825.


Product Detail

Product Tags

Chemical Composition

Alloy

element

C

Si

Mn

S

P

Ni

Cr

Nb+Ti

Fe

Cu

Mo

Alloy 20

Min

 

 

 

 

 

32.0

19.0

8*C

 

3.0

2.0

Max

0.07

1.0

2.0

0.035

0.045

38.0

21.0

1.0

balance

4.0

3.0

Mechanical Properties

Aolly Status

Tensile strength
Rm Mpa
Min.
Yield strength
RP 0. 2 Mpa
Min
Elongation
A 5
min %

Annealed

620

300

40

Physical Properties

Density g/cm3

8.08

Standard

Rod, Bar, Wire and Forging Stock - ASTM B 462 ASTM B 472, ASTM B 473, ASME SB 472, ASME SB 473,

Plate, Sheet and Strip - ASTM A 240, ASTM A 480, ASTM B 463, ASTM B 906, ASME SA 240,

Pipe and Tube - ASTM B 729, ASTM B 829, ASTM B 468, ASTM B 751, ASTM B 464, ASTM B 775, ASTM B 474,

Other - ASTM B 366, ASTM B 462, ASTM B 471, ASTM B 475, ASME SB 366, ASME SB-462, ASME SB 

Characteristics of Alloy 20

Inconel Coating Exporters

Excellent general corrosion resistance to sulfuric acid

Excellent resistance to chloride stress corrosion cracking

Excellent mechanical properties and fabricability

Minimal carbide precipitation during welding

Excels in resisting corrosion to hot sulfuric acids


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