Main Data

See also

Refractories for steel bottom casting

Refractories for steel bottom casting

Technical characteristics

 Rate for grade
  ShS-28 ShS-32 MLS-67
GOST 11586-2005 rev.1 

Mass fraction, %:

Al2O3, minimum
Fe2O3, maximum

 

28
-

 

32
-

 

67
1,5
Refractoriness, °С, minimum 1670** 1690 1750
Open porosity, %,
within limits of
maximum 
15-26*
- 
15-24
- 
-
23
Residual variations of sizes when heating, %, maximum at 1350°С  0,5** 0,4 -

Thermal shock resistance of central, drift and end siphon tubes, heat cycles (heating up to 800°С, air cooling)

 1 1 3

* For bricks ShS-28 of plastic method of manufacture maximum open porosity of 28% is allowed.

** For bricks ShS-28 the following rates are allowed as agreed by the Parties:

- refractoriness - minimum 1650 °С,

- residual variation of dimensions at heating - maximum 1,0%

 

 
Funnels

Number of brickDimensions, mm
   H H1 h D D1 D2 D3  D4  d 
1 200 25 15 120  95 90  225  270  70 
2 300 25 15 140 110 105 245 295 80
3 300 25 15 150 120 115 270 320 90
4 300 25 15 160 130 125 270 320 100
5 250 25 21 180 150 140 280 340 100

 
Central tubes

Number of brickDimensions, mm
   H h h1 D D1 D2 d  d1  d2 
6 300 15 12 120  95  90  70  101  96 
250
7 300 15 12 140 110 105 80 116 111
250
8 300 15 12 150 120 115 90 126 121
250
9 300 15 12 160 130 125 100 136 131
250
190
10 300 21 18 180 150 140 120 156 146
250 100

 
Central tubes with two grooves

Number of brickDimensions, mm
   H h h1 D d d1 d2  d3  d4 
11 150 18 12 180  80  116  111  146  136 
12 150 18 12 180 90 126 121 151 141
13 150 18 12 190 100 136 131 156 146
14 150 18 18 190 100 156 146 156 146

 
Two-pass star with a groove

Number of brickDimensions, mm
   A H H1 h h1 D1 D2  d  d1  d2 d3
15 210 95 55 12  8  101  96  70  65  60

35, 40
16 210 95 55 12 8 116 111 80 65 60 35, 40
17 210 95 55 12 8 126 121 90 65 60 35, 40
18 260 115 65 12 10 126 121 90 81 76 50

 
Four-pass rectangular star

Number of brickDimensions, mm
   A H H1 h h1 D1 D2  d d1 d2 d3
30 210 95 55 12  8  101  96  70  65  60 35, 40
31 210 95 55 12 8 116 111 80 65 60 35, 40
32 210 95 55 12 8 126 121 90 65 60 35, 40
33 260 115 65 12 10 126 121 90 81 76 50
35 260 115 65 12 10 136 131 100 81 76 50
36 260 135 75 12 18 136 131 100 100 94 60

Note. As agreed by the Parties, it is allowed to manufacture stars No. 36 in the form of nonequilateral octagonal prisms, which planes with outlet hole have 120 mm in the base.

Four-pass rectangular star with a bead

Number of brickDimensions, mm
   A H H1 h h1 D1 D2 d d1 d2 d3
38 210 95 55 21 8 140 130 80 65 60 30, 40
39 210 95 55 21 8 145 135 90 65 60 35, 40
40 260 115 65 21 10 145 135 90 81 76 50
41 210 115 65 21 10 150 140 100 81 76 50
43 260 135 75 21 18 150 140 100 100 94 60

Note. As agreed by the Parties, it is allowed to manufacture stars No. 41 and No. 43 in the form of nonequilateral octagonal prisms, which planes with outlet hole have the following dimensions in the base: star No. 41 – 100 mm, No. 43 – 120 mm.


Four-pass oblique stars with a grove

Number of brickDimensions, mm
   A H H1 h h1 D1 D2 d d1 d2 d3
46 210 95 55 12  8  116  111  80  65  60 35, 40
47 210 95 55 12 8 126 121 90 65 60 35, 40
49 210 115 65 12 10 136 131 100 81 76 50
51 260 135 75 12 18 136 131 100 100 94 60


Four-pass oblique stars with a bead

Number of brickDimensions, mm
   A H H1 h h1 D1 D2 d d1 d2 d3
54 210 95 55 21 8 145 135 90 65 60 35, 40


Six-pass stars with a grove

Number of brickDimensions, mm
   A H H1 h h1 D1 D2 d d1 d2 d3
60 210 95 55 12  8  116  111  80  65  60 35, 40
61 210 95 55 12 8 126 121 90 65 60 35, 40
62 260 115 65 12 10 126 121 90 81 76 50
64 260 115 65 12 10 136 131 100 81 76 50


Eight-pass stars with a grove

Number of brickDimensions, mm
   A H H1 h h1 D1 D2 d d1 d2 d3
65 210 95 55 12  8  116  111  80  65  60 35, 40
66 210 95 55 12 8 126 121 90 65 60 35, 40
67 210 115 65 12 8 136 131 100 65 60 40
68 260 115 65 12 8 136 131 100 65 60 35, 40

Note. As agreed by the Parties it is allowed to manufacture eight-pass stars with two plugged holes.



Siphon drift tubes

Number of brickDimensions, mm
   B D1 D2 d d1 d2 L l l1
69 80 62 56

35

40 

 65  60 

125

150

175

200

225

250

275

300

 10  8
70 100 78 72 50 81 76

150

185

200

250

300

 12 10
71 120 94 88 60 100 94

150

170

200

250

300

 21 18

Siphon oblique drift tube

Number of brickDimensions, mm
   B D1 D2 d L l l1
72 80 62 56  40

250

300 

 10 8

Siphon drift tube with two beads

Number of brickDimensions, mm
   B D1 D2 d L l
73 100 78 72 50

200

250

300

 12
74 120 94 88 60

170

200

250

300

 21

Siphon angular tube

Number of brickDimensions, mm
   B d d1 d2 L L1 l1 α
81 80

35

40

 65 60 100 100 8 135о
82 100

50

 81 76 100 100 10 135о
83 120

60

 100 94 100 100 18

120

135

150

Siphon drift tube with a lateral hole

Number of brickDimensions, mm
   B D D1 d d1 d3 L L1 l l1
75 80 62 56

35

40

 65 60

150

200

250

300

 75 10 8
76 100 78 72 50 81 76

150

200

250

300

 75 12 10
77 120 94 88 60 100 94

150

200

250

300

 75 21 18

Siphon drift tube with two holes

Number of brickDimensions, mm
   B D D1 d d1 d2 L L1 l l1
78 80 62 56

35

40 

 65  60 

150

200

260

300 

 75 10  8

Siphon drift tube with two lateral holes on opposite edges

Number of brickDimensions, mm
   B D D1 d d1 d2 L L1 l l1
79 80 62 56

35

40 

 65  60 

150

300 

 75  10 8

Siphon tee-tube

Number of brickDimensions, mm
   B D1 D2 d d1 d2 d3 L l l1
80 80 62 56

35

40

 65 60 - 138 10 8
80a 80 62 56 40 65 60 60 138 10 8

Siphon end tube

Number of brickDimensions, mm
   B D1 D2 d L l K
84 80 62 56

35

40

150

175

200

250

300

 10 25
85 100 78 72 50

150

175

200

250

300

 12 30
86 80 62 56

35

40

150

300

 10 25

Siphon end tube with a lateral hole

Number of brickDimensions, mm
   B D1 D2 d d1 d2 L L1 l l1 K
87 80 62 56

35

40

 65 60

150

300

 75 10 8 25

Nozzle for molds

Number of brickDimensions, mm
   H D D1 d d1
88 110 90 105

40

50

 60
89 140 95 112 50 65
90 220 115 135

50

60

 70

Intermediate funnel

Number of brickDimensions, mm
   H H1 D D1 D2 d d1
91 300 100 160 320 260 95 114

Nozzle for intermediate funnels

Number of brickDimensions, mm
   H d1 d2 d
92 100 93 112

24

26

28

30

35

40

45

50

Blind inserts

Number of brickDimensions, mm
   H D D1
93 110 90 105