EN 1.4466, ASTM UNS S31050 Stainless Steel

EN 1.4466, ASTM UNS S31050 Stainless Steel

EN 1.4466, ASTM UNS S31050 Stainless Steel General Characteristics High Ni and Mo austenitic grade with similar corrosion resistance to 904L. Typically used in Urea applications. Available as plate only. Typical Applications Urea applications Pulp & Paper industry Flue gas cleaning Chemical...
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EN 1.4466, ASTM UNS S31050 Stainless Steel

General Characteristics

High Ni and Mo austenitic grade with similar corrosion resistance to 904L. Typically used in Urea applications. Available as plate only.


Typical Applications

  • Urea applications

  • Pulp & Paper industry

  • Flue gas cleaning

  • Chemical industry

  • Pharmaceutical industry


Chemical Composition

The chemical composition may vary slightly between different product standards. The required standard will be fully met as specified on the order.

The chemical composition is given as % by weight.



CMnCrNiMoN

Typical

0.01


25.0

22.3

2.1

0.12

ASME II A SA-240

≤0.020

≤2.0

24.0-26.0

20.5-23.5

1.6-2.6

0.09-0.15

ASTM A240

≤0.020

≤2.00

24.0-26.0

20.5-23.5

1.60-2.60

0.09-0.15

EN 10028-7

≤0.020

≤2.00

24.00-26.00

21.00-23.00

2.00-2.50

0.10-0.16

EN 10088-2

≤0.020

≤2.0

24.0-26.0

21.0-23.0

2.0-2.5

0.10-0.16

EN 10088-4

≤0.020

≤2.0

24.0-26.0

21.0-23.0

2.0-2.5

0.10-0.16

IS 6911

≤0.20

≤2.0

24.0-26.0

20.5-23.5

1.60-2.60

0.09-0.15


Mechanical Properties

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


StandardRp0.2Rp1.0RmElongationRockwellHB

MPa

MPa

MPa

%



Product type: Cold rolled coil and sheet

ASTM A240

≥ 255


≥ 540


≤ 95HRB

≤ 217

IS 6911

≥ 255


≥ 540


≤ 95HRB

≤ 217

Product type: Hot rolled coil and sheet

ASTM A240

≥ 255


≥ 540



≤ 217

IS 6911

≥ 255


≥ 540


≤ 95HRB

≤ 217

Product type: Hot rolled quarto plate

Typical (thickness 15 mm)

280

300

630

55



ASME II A SA-240

≥ 255


≥ 540


≤ 95HRB

≤ 217

ASTM A240

≥ 255


≥ 540


≤ 95HRB

≤ 217

EN 10028-7

≥ 250

≥ 290

540-740

≥ 40



EN 10088-2

≥ 250


540-740

≥ 40



EN 10088-4

≥ 250

≥ 290

540-740

≥ 40



IS 6911

≥ 255


≥ 540


≤ 95HRB

≤ 217


Physical Properties

Data according to EN 10088, EN 10095 or typical values.

DensityModulus of elasticityThermal exp. at 100 °CThermal conductivity

kg/dm3

GPa

10-6/°C

W/m°C

8,0

195

15,7

14


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