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Огнеупорные изделия для футеровки вагранок
Refractory products for cupola lining
Refractory products for cupola lining and other thermal units
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Norm for mark |
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|---|---|---|---|---|---|
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SHVG-30 |
SHVG-33 |
SHVG-35 |
MKRVG-45 |
MKVG-72 |
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GOST 3272-2002 |
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Mass fraction, %: Al2O3, no less Fe2O3, no more |
30 not applic. |
33 not applic. |
35 not applic. |
over 45 3,5 |
over 72 1,5 |
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Refractory property, °C, no low |
1670 |
1710 |
1730 |
1750 |
not applic. |
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Compressive resistance, N/mm2, no less |
20 |
22 |
30 |
35 |
35 |
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Open porosity, %, no more |
22 |
21 |
20 |
19 |
24 |
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Residual changes in the sizes during heating, %, no more than, at the temperature: 1400 °C 1600 °C |
±0,4 not applic. |
±0,2 not applic. |
±0,2 not applic. |
±0,4 not applic. |
not applic. ±1,0 |
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Onset temperature of softening, °C, no less |
not applic. |
1400 |
1500 |
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Form and sizes
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Product number |
Sizes, mm |
Capacity, сm3 |
Radius of laying (R), mm |
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|---|---|---|---|---|---|---|
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a |
a1 |
б |
в |
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Neck brick |
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1 |
65±2 |
45±2 |
114±3 |
230±4 |
1440 |
257 |
|
2 |
65±2 |
55±2 |
114±3 |
230±4 |
1570 |
627 |
|
8 |
140±3 |
120±3 |
65±2 |
230±4 |
1940 |
390 |
|
Straight brick |
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|
3 |
230±4 |
- |
114±3 |
65±2 |
1704 |
- |
| Product number | Sizes, mm | Capacity, сm3 | Radius of laying (R) | |||
|---|---|---|---|---|---|---|
| a | a1 | б | в | |||
| Trapezoidal brick | ||||||
| 4 | 230±4 | 195±4 | 125±3 | 75±2 | 1990 | 696 |
| 5 | 210±4 | 170±4 | 125±3 | 75±2 | 1780 | 531 |
| 6 | 230±4 | 205±4 | 150±3 | 80±2 | 2610 | 1230 |
| 7 | 265±4 | 227±4 | 150±3 | 80±2 | 2950 | 896 |
