W.-Nr. 2.4858, UNS N08825, ISO NW8825 Stainless Steel

W.-Nr. 2.4858, UNS N08825, ISO NW8825 Stainless Steel

W.-Nr. 2.4858, UNS N08825, ISO NW8825 Stainless Steel Typical Applications Components in sour gas service Offshore oil and gas piping systems Equipment in petroleum refineries Heating coils Heat exchangers Tanks Scrubbers Chemical processing equipment Food process equipment Nuclear industry...
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Product Details

W.-Nr. 2.4858, UNS N08825, ISO NW8825 Stainless Steel

Typical Applications

  • Components in sour gas service

  • Offshore oil and gas piping systems

  • Equipment in petroleum refineries

  • Heating coils

  • Heat exchangers

  • Tanks

  • Scrubbers

  • Chemical processing equipment

  • Food process equipment

  • Nuclear industry equipment


Chemical Composition

The typical chemical composition for this grade is given in the table below, together with composition limits given for this grade according to different standards. The required standard will be fully met as specified on the order.


CMnCrNiMoOther

Typical

0.010

0.8

23.0

39.5

3.2

Si:0.35 Cu:1.7 Ti Al:0.1

ASTM B424

≤0.05

≤1.0

19.5-23.5

38.0-46.0

2.5-3.5

Cu:1.5-3.0 Ti

ISO 6208

≤0.05

≤1.0

19.5-23.5

38.0-46.0

2.5-3.5

Cu:1.5-3.0 Ti


Mechanical Properties

The mechanical properties of the available products are given in the table below.

StandardRp0.2RmElongation

MPa

MPa

%

Product type: Cold rolled coil and sheet

Typical (thickness 1 mm)

280

620


ASTM B424

≥ 241

≥ 586


ISO 6208

≥ 240

≥ 590

≥ 30

Product type: Hot rolled coil and sheet

ASTM B424

≥ 241

≥ 586


ISO 6208

≥ 240

≥ 590

≥ 30


Physical Properties

DensityModulus of elasticityThermal exp. at 100 °CThermal conductivity

kg/dm3

GPa

10-6/°C

W/m°C

8,1

195

14,1

10,5


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