Refractory products, raw materials, facilities - LLC «OST Company»

Home page / Catalogue / Products of «BRP» / Molded goods / Refractory and high-refractory products for laying the blast heaters of air flue of blast furnace

Refractory and high-refractory products for laying the blast heaters of air flue of blast furnace

Refractory and high-refractory products

Refractory and high-refractory products for laying the blast heaters of air flue of blast furnace are used for a laying of blast heaters and hot-blast lines of blast furnaces and other thermal units

Technical characteristics

 

Norm for mark

 

SHV-28

SHV-37

SHV-42

MKV-72

GOST 20901-2016

Mass fraction, %:

Al2O3, no less

Fe2O3, no more

  

28

-

 

37

-

 

42

1,7

 

over 72

1,2

Compressive resistance, N/mm2 ,for products numbers:

- packed

- walling, domical and for air flue, fittings, tuyere zones

 

 15

15

 

 20

20

 

 40

30

 

50

30

Open porosity, %, no more than, for products  numbers:

- packed

- walling, domical and for air flue, fittings, tuyere zones

  25

27

  23

25

in the limit

14-20

 21

24

Residual changes in the sizes during heating,%, no more, at the temperature:

1350 °C

1450 °C

1600 °C

 

 -0,5

-

-

 

 -0,2

-

-

 

 -

- 0,4

-

 

-

-

-0,8

Onset temperature of softening, °C, no low

1270

1330

1500

1550

Refractory property, °C, no low

1670

1730

1750

-

 

Limit deviation, mm

Product size, mm

Product number

 

1-74, 81-106

75-79

 length

 

  up to 230 inclusive

±2

- 2

  over 230 to 350  inclusive

±3

-

  over 350 to 450  inclusive

±4

-

 width

±2

- 2

 thickness

±1

±1

Product size

 

 

packed hex product №80

 distance between parallel faces

 -2

thickness

±2

inner diameter

±2

Form and sizes

Rectangular product (walling and packed)

 

 Product number

Sizes, mm

Complexity unit

  

L

H

S

 

1

230

150

75

2

2

345

150

75

3

3

450

150

75

4

4

230

150

100

4

5

345

150

100

4

6

450

100

100

4

 

 

Trapezoidal double sided wedge (walling product)

Product number Sizes, mm Complexity unit
   L S1 S H  
7 230 135 150 75 3
8 230 120 150 75 3
9 345 125 150 75 4
10 345 110 150 75 4
11 450 115 150 75 4
12 230 135 150 100 4
13 230 125 150 100 4
14 345 120 150 100 4
15 345 110 150 100 4
16 450 115 150 100 4

Wedge product (domical)

Product number Sizes, mm       Complexity unit
   L H H1 S S1 S2 S3  
17 450 150 117 84 84 65 65 3
18 450 150 117 84 74 65 57 3
19 450 150 117 84 64 65 49 4
20 450 150 125 84 84 70 70
21 450 150 125 84 79 70 66
22 450 150 125 84 74 70 62
23 450 150 125 84 69 70 58
24 450 150 125 84 64 70 53
25 450 150 129 84 84 73 73
26 450 150 129 84 79 73 69
27 450 150 129 84 74 73 64
28 450 150 129 84 69 73 60
29 450 150 129 84 64 73 56
30 450 150 133 84 84 75 75
31 450 150 133 84 80 75 71
32 450 150 133 84 74 75 66
33 450 150 133 84 70 75 63
34 450 150 133 84 64 75 57
35 450 150 136 84 84 76 76
36 450 150 136 84 80 76 72 6
37 450 150 136 84 74 76 67
38 450 150 136 84 70 76 63
39 450 150 136 84 64 76 58
40 450 150 140 84 84 76 76
41 450 150 140 84 84 79 79
42 450 150 140 84 74 79 70
43 450 150 140 84 64 79 60
44 450 150 150 84 84 68 68
45 450 150 150 84 74 68 58
46 450 150 150 84 84 70 70
47 450 150 150 84 74 70 60
48 450 150  

 

Вы успешно зарегистрированы

Чтобы создать запрос на расчет стоимости, необходимо войти в личный кабинет на сайте.

Войти Закрыть окно

Registration

If you are registered, enter your personal account

Enter

Оставить заявку или задать вопрос

Прикрепить файл