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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 |
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 |
