EN 1.4565, ASTM UNS S34565 Stainless Steel

EN 1.4565, ASTM UNS S34565 Stainless Steel

EN 1.4565, ASTM UNS S34565 Stainless Steel General Characteristics 4.5% Mo, very high N alloyed austenitic grade with excellent corrosion resistance and high mechanical strength. Typically used in e.g. flue gas desulphurization applications. Typical Applications Process equipment in chemical...
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EN 1.4565, ASTM UNS S34565 Stainless Steel

General Characteristics

4.5% Mo, very high N alloyed austenitic grade with excellent corrosion resistance and high mechanical strength. Typically used in e.g. flue gas desulphurization applications.


Typical Applications

  • Process equipment in chemical industry

  • Bleaching equipment in the pulp and paper industry

  • Flue gas desulphurization applications

  • Desalination

  • Seawater handling

  • Hydrometallurgy

  • Food and beverage

  • Pharmaceuticals

  • Heat exchangers


Chemical Composition

The typical Outokumpu composition as well as the demands in some standards are given below

The chemical composition is given as % by weight.



C

Mn

CrNiMoN

Typical

0.02

5.5

24.0

17.0

4.5

0.45

ASME II A SA-240

≤0.030

5.0-7.0

23.0-25.0

16.0-18.0

4.0-5.0

0.40-0.60

ASTM A240

≤0.030

5.0-7.0

23.0-25.0

16.0-18.0

4.0-5.0

0.40-0.60

EN 10088-2

≤0.030

5.0-7.0

24.0-26.0

16.0-19.0

4.0-5.0

0.30-0.60

EN 10088-3

≤0.030

5.0-7.0

24.0-26.0

16.0-19.0

4.0-5.0

0.30-0.60

EN 10088-4

≤0.030

5.0-7.0

24.0-26.0

16.0-19.0

4.0-5.0

0.30-0.60


Mechanical Properties

The strength and elongation of 904L are similar to those for conventional austenitic stainless steels. Despite the greater strength of these steels, the possibilities for cold as well as hot forming are very good.


StandardRp0.2Rp1.0RmElongationRockwellHB

MPa

MPa

MPa

%



Product type: Cold rolled coil and sheet

Typical (thickness 1 mm)







ASME II A SA-240

≥ 415


≥ 795



≤ 241

ASTM A240

≥ 415


≥ 795


≤ 100HRB

≤ 241

EN 10088-2

≥ 420

≥ 460

800-950

≥ 30



EN 10088-4

≥ 420

≥ 460

800-950

≥ 30



Product type: Hot rolled coil and sheet

Typical (thickness 4 mm)







ASME II A SA-240

≥ 415


≥ 795



≤ 241

ASTM A240

≥ 415


≥ 795



≤ 241

EN 10088-2

≥ 420

≥ 460

850-950

≥ 30



Product type: Hot rolled quarto plate

Typical (thickness 15 mm)

440

480

825

55


200

ASME II A SA-240

≥ 415


≥ 795


≤ 100HRB

≤ 241

ASTM A240

≥ 415


≥ 795


≤ 100HRB

≤ 241

EN 10088-2

≥ 420

≥ 460

800-950

≥ 30



EN 10088-4

≥ 420

≥ 460

800-950

≥ 30





Physical Properties

The typical values of some physical properties are given in the table below.


Density

Modulus of elasticity

Thermal exp. at 100 °C

Thermal conductivity

kg/dm3

GPa

10-6/°C

W/m°C

8,0

190

14,5

12


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