EN 1.4948, ASTM TYPE 304H / UNS S30409 Stainless Steel

EN 1.4948, ASTM TYPE 304H / UNS S30409 Stainless Steel

EN 1.4948, ASTM TYPE 304H / UNS S30409 Stainless Steel General Characteristics Stainless steel grade with wet corrosion resistance and improved high-temperature strength (creep resisting steel). Good formability and weldability. Commonly used for tubes and pressure vessels. Typical Applications...
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Product Details

EN 1.4948, ASTM TYPE 304H / UNS S30409 Stainless Steel

General Characteristics

Stainless steel grade with wet corrosion resistance and improved high-temperature strength (creep resisting steel). Good formability and weldability. Commonly used for tubes and pressure vessels.


Typical Applications

  • Tubes

  • Pressure vessels

  • Iron, steel, and non-ferrous industries

  • Engineering industry

  • Energy conversion plants

  • Cement industry


Chemical Composition

The chemical composition is given as % by mass.


CMnCrNiMoN

Typical

0.05


18.1

8.3



ASME II A SA-240

0.04-0.10

≤2.00

18.0-20.0

8.0-10.5



ASTM A240

0.04-0.10

≤2.00

18.0-20.0

8.0-10.5



EN 10028-7

0.04-0.08

≤2.00

17.00-19.00

8.00-11.00


≤0.10

IS 6911

0.04-0.10

≤2.00

18.0-20.0

8.0-10.5

≤0.70



Mechanical Properties

StandardRp0.2Rp1.0RmElongationRockwellHB

MPa

MPa

MPa

%



Product type: Cold rolled coil and sheet

Typical (thickness 1 mm)







ASME II A SA-240

≥ 205


≥ 515



≤ 201

ASTM A240

≥ 205


≥ 515


≤ 92HRB

≤ 201

EN 10028-7

≥ 230

≥ 260

530-740

≥ 45



IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201

Product type: Hot rolled coil and sheet

Typical (thickness 4 mm)







ASME II A SA-240

≥ 205


≥ 515



≤ 201

ASTM A240



≥ 515



≤ 201

IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201


Physical Properties

Data according to EN 10088

DensityModulus of elasticityThermal exp. at 100 °CThermal conductivity

kg/dm3

GPa

10-6/°C

W/m°C

7.9

200

16,3

17


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