Stainless Steel 321H 1.4878

Stainless Steel 321H 1.4878

Stainless Steel 321H 1.4878 This data sheet applies to 321H / 1.4878 hot and cold rolled sheet, strip and bars, semi-finished products, rods and sections. Application For construction parts which should be resistant to scaling up to about 850°C and extensively inured to the effect of sulphurous...
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Product Details

Stainless Steel 321H 1.4878

This data sheet applies to 321H / 1.4878 hot and cold rolled sheet, strip and bars, semi-finished products, rods and sections.


Application

For construction parts which should be resistant to scaling up to about 850°C and extensively inured to the effect of sulphurous gases. Inclination to carbonisation in reduced gases is very low.    


Chemical Compositions

Element% Present (in product form)

Carbon (C)

0.10

Silicon (Si)

1.00

Manganese (Mn)

2.00

Phosphorous (P)

0.045

Sulfur (S)

0.015

Chromium (Cr)

17.00 - 19.00

Nickel (Ni)

9.00 - 12.00

Nitrogen (N)

5xC ≤ 0.80

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. 

215

Proof Strength

Rp0.2 N/mm2

190

Rp1.0 N/mm2

230

Tensile Strength

Rm N/mm2

500 - 720

Elongation min. in %

Long Products

40

Flat Products

0.5 ≤ a/d < 3

40

3 ≤ a/d

40

Creep Properties (estimated average values about the long-term behaviour at elevated temperature*)

1% Elongation forRupture for

Temperature °C

1,000 h N/mm2

10,000 h N/mm2

1,000 h N/mm2

10,000 h N/mm2

100,000 h N/mm2

600

110

85

200

142

65

700

45

30

88

48

22

800

15

10

30

15

10


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