EN 1.4845, ASTM TYPE 310S / UNS S31008 Stainless Steel

EN 1.4845, ASTM TYPE 310S / UNS S31008 Stainless Steel

EN 1.4845, ASTM TYPE 310S / UNS S31008 Stainless Steel General Characteristics Austenitic heat resisting 1.4845 grade with very good oxidation resistance. This grade 1.4845 belongs to austenitic chromium-nickel stainless steel grades. A specific feature for 1.4845 grade is high chromium and high...
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EN 1.4845, ASTM TYPE 310S / UNS S31008 Stainless Steel

General Characteristics

Austenitic heat resisting 1.4845 grade with very good oxidation resistance. This grade 1.4845 belongs to austenitic chromium-nickel stainless steel grades. A specific feature for 1.4845 grade is high chromium and high nickel contents, which make this grade suitable for use in high temperatures.


Optimising steels for high temperatures has meant that their resistance to aqueous corrosion has been limited. All steels are austenitic, resulting in relatively high creep strength values. Characteristic properties • Good resistance to oxidation • Good resistance to high-temperature corrosion • Good mechanical strength at elevated temperatures


Chemical Composition

Typical chemical composition is given in the table below. The chemical composition is given as % by weight.



CMnCrNiMoN

Typical

0.05


25.5

19.1



ASTM A240

≤0.08

≤2.00

24.0-26.0

19.0-22.0



EN 10095

≤0.10

≤2.00

24.00-26.00

19.00-22.00


≤0.11

IS 6911

≤0.25

≤2.0

24.0-26.0

18.0-21.0

≤0.70


IS 6911

≤0.08

≤2.00

24.0-26.0

19.0-22.0

≤0.70



Mechanical Properties

StandardRp0.2Rp1.0RmElongationRockwellHB

MPa

MPa

MPa

%



Product type: Cold rolled coil and sheet

Typical (thickness 1 mm)

280

320

590

60



ASTM A240

≥ 205


≥ 515


≤ 95HRB

≤ 217

EN 10095

≥ 210

≥ 250

500-700

≥ 33



IS 6911

≥ 210


≥ 490


≤ 95HRB

≤ 217

IS 6911

≥ 205


≥ 515


≤ 95HRB

≤ 217

Product type: Hot rolled coil and sheet

Typical (thickness 4 mm)

290

330

590

47


83

ASTM A240

≥ 205


≥ 515



≤ 217

EN 10095

≥ 210

≥ 250

500-700

≥ 35



IS 6911

≥ 210


≥ 490


≤ 95HRB

≤ 217

IS 6911

≥ 205


≥ 515


≤ 95HRB

≤ 217


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

196

15,5

15


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