Heat-resistant stainless steel fibers melt pumping

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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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Q:201 stainless steel 667 and 669 difference
Stainless steel wire and stainless steel wire, various specifications and models of silk production as raw materials of stainless steel, the origin of the United States, Holland, Japan, the general section is round or flat.
Q:Fracture analysis of stainless steel screw
Customers use excessive force when using stainless steel screws. Usually you do torque test to see how much the minimum breaking force, and then adjust torque.Of course, stainless steel screws must be broken more than three reasons. But the above three reasons are the main reason for the fracture of stainless steel screws. When the fracture of the stainless steel screw is found, it can be checked step by step. See what caused it.
Q:Is the inner and outer joint of the water pipe good with copper or stainless steel?
Choose between these two materials. Use stainless steel as well.
Q:Is brushed stainless steel harmful to the body?
See demand! Generally harmless! Wire drawing is only a kind of processing technology, mainly depends on whether the substrate is harmful to the body! Conventional stainless steel can be used as food containers!
Q:Stainless steel wire why rust?
1., the surface of decorative stainless steel must be cleaned and scrubbed frequently, removing attachments and eliminating the external factors that cause modification.2. beach area should use 316 material stainless steel, 316 material can resist seawater corrosion.3., some stainless steel pipe on the market, the chemical composition can not meet the corresponding national standards, less than 304 of the material requirements. Therefore, it will cause rust, which requires users to seriously choose reputable manufacturers of products
Q:What is stainless steel wire drawing tube?
Straight silk is from top to bottom continuous lines, usually fixed wire drawing machine, workpiece before and after movement.
Q:How can stainless steel screws bite?
The direction of force is wrong. The nut must be vertical to the axis of the screw. Do not tilt.
Q:What are the advantages and disadvantages of wire drawing stainless steel?
Brushed stainless steel refers to: stainless steel surface like filamentous texture, this is only a stainless steel processing technology. The surface is Matt, and carefully look at the above there is a trace of texture, but can not touch it.
Q:Anti loosening of stainless steel screw
The first is the use of special material rebound properties, such as engineering resins, which have better rebound properties. Attach it to the stainless steel screw thread. Make it mechanically friction with nuts or material products. Generate vibration and absolute resistance. Completely solve the problem of screw loosening.
Q:202 stainless steel wire can pass 200 hours salt mist test?
Stainless steel passivation liquid has a strong advantage:First, the passivation does not change any size and color of the workpiece, effectively protect the beautiful appearance and accuracy of the workpiece.Two, the use of low cost, liquid drugs can be reused, the realization of material rust grade by sub strong (201 change 304, 304 change 316) Enhance the added value of products and effectively reduce the cost of enterprises.Three, after passivation, corrosion resistance is strong, 201 series of materials through more than 48 hours, 304 series of materials 200~1500 hours, salt fog test.Four, simple operation, stainless steel passivation liquid performance is stable, only need to soak at room temperature.

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