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Products for lining of hot-metal ladles

Products for lining of hot-metal ladles

Technical characteristics

 

Norm for mark

 

SHCHU-37

SHCHU -37U

MKRCHU-45

MKRCHU -55

MKCHS-72

GOST 15635-2015

Mass fraction, %:

Al2O3, no less
Fe2O3, no less


37
-


37
-


45
3,5


55
4

over
72
1,5

Compressive resistance, N/mm2    ,no less                  

25

30

35

35

30

Open porosity, %, no more

20

18

19

20

24

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

 

1400 °C 

0,4

0,2

0,4

up -0,4 to +1,0

-

1600 °C 

-

-

-

-

1,0

Thermal resistance, thermal cycling , no less

-

-

4

4

-

Refractory property, °C, no low than

1730

1730

1730

1750

-

Onset temperature of softening, °C, no low

-

-

1400

-

1500

Form and sizes

Product number

Sizes, mm

Product designation

 

a

a1

б

в

в1

  

1

210

176

230

80 

for a working lining of a cylindrical part of ladles with an inside radius of laying, mm

2

230

198

230

80

-

      

using one product number

1130 - 1290

1350 - 1540

using two product numbers

1290 - 1350

 

3

77

-

230

113

95

for a working lining of a bumped head with an inside radius of laying 1150 – 2150mm

 

Product number Sizes, mm Product designation
  a a1 б в в1 г г1   
4 65 54 230 113  95  - -

for a working lining of a bumped head with an inside radius of laying 1150 – 2150 mm

the same, when laying the battle unit of the end plate

5 65 50 300 113 89 - -
6 65  54  230  113  95  45 38

for a working lining of a bumped head with an inside radius of laying 1150 - 2150

 

the same, when laying the battle unit of the end plate
7 65 54 230 113 95 55 46
8 65 54 230 113 95 60 50
9 65 50 300 113 89 55 43
Product number Sizes, mm Product designation
  b r r1   
10 115 261,5  239  for central part of a bumped head with an inside radius of laying, 1150 - 2150мм
11 115 284 261,5

 

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