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Products for the open-hearth checkers

Products for the open-hearth checkers

Products for the open-hearth checkers and other thermal units

Technical characteristics

 

Norm for mark

 

SHN-38

SHN-45

ТS 1546-002-00190495-97 with a change 1

ТS 14-194-262-03

Mass fraction ( on ignition basis), %:

Al2O3, no less

Fe2O3, no more

 

38

-

 

45

3,5

Compressive resistance, N/mm2   ,no less               

22

35

Open porosity, %, no more

21

20

Residual changes in the sizes, %, no more, at the temperature 1400 °C

0,4

0,4

Refractory property °C, no low

1730

1750

Thermal resistance, thermal cycling , no less

-

3

Onset temperature of softening, °C, no low

 1400

1400

Limit deviation (mm)

Kinds and sizes of products

Limit deviation

 

SHN-38

SHN-45

   Rectangular shaped products:

 

   in length

±3

±4

   in width

±2

±2

   in height

±2

±2

   Molded products: 

 

   up to 100 mm inclusive

±2

±2

   over 100 to 400 mm inclusive, %

±1,5

±1,5

Form and sizes


Straight brick
GOST 8691-73 with a change 1-4 

Product number

Sizes, mm

Complexity unit

 

a

b

c

 

2

230

65

85

3

5

230

65

114

1

8

250

65

124

1

9

300

65

150

2

10

345

75

150

3

 

 

Side brick (double sided and single sided).
GOST 8691-73 with a change 1-4
Products number Sizes, mm Complexity unit
  a b b1 c  
20 230 75 65 114 4
22 230 65 55 114 3
23 230 65 45 114 4
25 250 65 55 124 3
29 300 65 55 150 4

T-shaped packed and underflue brick
GOST 6024-75 with a change 1-3

Product number Sizes, mm
  a a1 b с d k r
39 230 150 114 75 40 25 5

 

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