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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 | 4 |
21 | 450 | 150 | 125 | 84 | 79 | 70 | 66 | 4 |
22 | 450 | 150 | 125 | 84 | 74 | 70 | 62 | 4 |
23 | 450 | 150 | 125 | 84 | 69 | 70 | 58 | 4 |
24 | 450 | 150 | 125 | 84 | 64 | 70 | 53 | 4 |
25 | 450 | 150 | 129 | 84 | 84 | 73 | 73 | 4 |
26 | 450 | 150 | 129 | 84 | 79 | 73 | 69 | 6 |
27 | 450 | 150 | 129 | 84 | 74 | 73 | 64 | 6 |
28 | 450 | 150 | 129 | 84 | 69 | 73 | 60 | 6 |
29 | 450 | 150 | 129 | 84 | 64 | 73 | 56 | 6 |
30 | 450 | 150 | 133 | 84 | 84 | 75 | 75 | 6 |
31 | 450 | 150 | 133 | 84 | 80 | 75 | 71 | 6 |
32 | 450 | 150 | 133 | 84 | 74 | 75 | 66 | 6 |
33 | 450 | 150 | 133 | 84 | 70 | 75 | 63 | 6 |
34 | 450 | 150 | 133 | 84 | 64 | 75 | 57 | 6 |
35 | 450 | 150 | 136 | 84 | 84 | 76 | 76 | 6 |
36 | 450 | 150 | 136 | 84 | 80 | 76 | 72 | 6 |
37 | 450 | 150 | 136 | 84 | 74 | 76 | 67 | 6 |
38 | 450 | 150 | 136 | 84 | 70 | 76 | 63 | 6 |
39 | 450 | 150 | 136 | 84 | 64 | 76 | 58 | 6 |
40 | 450 | 150 | 140 | 84 | 84 | 76 | 76 | 6 |
41 | 450 | 150 | 140 | 84 | 84 | 79 | 79 | 6 |
42 | 450 | 150 | 140 | 84 | 74 | 79 | 70 | 6 |
43 | 450 | 150 | 140 | 84 | 64 | 79 | 60 | 6 |
44 | 450 | 150 | 150 | 84 | 84 | 68 | 68 | 6 |
45 | 450 | 150 | 150 | 84 | 74 | 68 | 58 | 6 |
46 | 450 | 150 | 150 | 84 | 84 | 70 | 70 | 6 |
47 | 450 | 150 | 150 | 84 | 74 | 70 | 60 | 6 |
48 | 450 | 150 |