Stainless Steel 1.4724

Stainless Steel 1.4724

Stainless Steel 1.4724 Low-alloyed ferritic heat resisting grade with improved scaling resistance. Uncritical regarding embrittlement at service temperatures. Applied for e.g. furnace equipment, thermal boiler components, grids, burner nozzles, conveying parts, thermowells. The high temperature...
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Product Details

Stainless Steel 1.4724

Low-alloyed ferritic heat resisting grade with improved scaling resistance. Uncritical regarding embrittlement at service temperatures. Applied for e.g. furnace equipment, thermal boiler components, grids, burner nozzles, conveying parts, thermowells.


The high temperature (HT) ferritic stainless steels complement GNEE austenitic heat and creep portfolio. The main alloying element in the ferritic grades is chromium. Its positive effect on the scaling resistance is enhanced by silicon and aluminium. The characteristic properties are excellent resistance to oxidising and reducing sulphur containing atmospheres, good resistance to oxidation and high thermal conductivity with low thermal expansion.


STAINLESS STEEL PLATE SHEET (6) STAINLESS STEEL PLATE SHEET (8)


Chemical Compositions*

Element% Present (in product form)

C, H, P, L

Carbon (C)

0.12

Silicon (Si)

0.70 - 1.40

Manganese (Mn)

1.00

Phosphorous (P)

0.040

Sulfur (S)

0.015

Chromium (Cr)

12.00 - 14.00

Aluminium (Al)

0.70 - 1.20

Iron (Fe)

Balance


Mechanical properties (at room temperature in annealed condition)


Product Form
C, H, P

L

Thickness a or diamter d (mm)

a ≤ 12

d ≤ 25

Hardness HB max. 

192

Proof Strength

Rp0.2 N/mm2

250

Rp1.0 N/mm2

-

Tensile Strength

Rm N/mm2

450 - 650

Elongation min. in %

Long Products

15

Flat Products

0.5 ≤ a/d < 3

13

3 ≤ a/d

15


hot rolled stainless steel plate


Applications:

1.4724 Stainless ferritic high temperature steels are mostly used in high temperature applications with sulphurous atmospheres and/or low tensile loads such as for installations within:

Furnace equipment

Thermal boiler components

Grids

Burner nozzles

Conveying parts

Thermowells

Chemical industry (drums)

Power industry (coal burners)

Metalworking industry (heat treatment boxes)



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