Heat-resistant stainless steel fibers melt pumping

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Product Description:

Steel Fiber Grade:
The grades of steel fiber should be suitably selected based on the temperature and atmosphere.
Physical, Mechanical and corrosion resistant properties of stainless steel fiber

304

310

330

446

430

Melting Point Range

1400-1425

1400-1450

1400-1425

1425-1510

1425-1510

Elastic modulus at 870℃
104MPa

12.66

12.66

13.71

9.84

8.44

Tensile strength at 870℃
MPa

127

155

197

54

48

Thermal expansion coefficient at
870℃  10-6 /

20.16

18.58

17.64

13.14

13.68

Heat conductance at 500℃
W/m.k

21.5

18.7

21.6

24.4

26.3

Specific gravity at romm temperature, g/cm³

8.0

8.0

8.0

7.5

7.8

Loss of weight (%) after 1000 hours of circulating oxidization at 982℃(%)

70(100h)

13

18

4

70(100h)

*Violent circulating state in air
Temperature of oxidation,℃,continuous state

870

1035

1035

1175

870

982

1050

1150

1095

815

Corrosion in H2S,Mil/yr

200

100

/

100

200

Recommended max operating temperature when it is used in SO2℃

800

1050

/

1025

800

Corrosion in natural gas at 815℃
Mil/yr

3

4

12

Corrosion in coking coal gas at 982℃

225

25

75

14

236

Nitrogenization in anhydrous ammonia at 525℃
Mil/yr

80

55

20

175

<304#
>446#

Corrosion by CH2  at 454℃, Mil/yr

4.8

2.3

8.7

21.9

Carbon pick-up of alloy % with solids carbonized at 982℃ for 24 hours and 40 times of circulations, %

1.40

0.02

0.08

0.07

1.03


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