Product Details
Product Description
Product Description
Cast basalt composite elbows are used too many industrial areas where the abrasive, chemical and hot materials transported and which are commonly lined steel elbows. Cast basalt composite elbow is composed of steel pipe tee, cast basalt pipe and cement mortar concrete. At the same time cement mortar is selected as the filling material and this can make the inside surface of steel pipe in alkali mediums. So the surface of steel pipe generates purifying films These films can prevent being rusted.
Main specification of cast basalt lined steel pipe
Cast Basalt Pipe DNStandard Steel Pipe ODCast Basalt ThicknessLength
| （mm） | （mm） | （mm） | （mm） |
| 80 | 159 | 25 | 4000 |
| 100 | 168 | 17.5
20 | 4000
6000
8000 |
| 125 | 195 |
| 150 | 219 |
| 175 | 245 | 6000
8000
10000
12000 |
| 200 | 273 |
| 225 | 300 |
| 250 | 325 |
| 275 | 345 |
| 300 | 377 |
| 350 | 426 |
| 400 | 478 | 20
25 |
| 450 | 529 |
| 500 | 600 | 25 |
| 550 | 650 |
| 600 | 720 | 30 | 6000 |
| 650 | 770 |
| 700 | 820 |
| 750 | 870 |
| 800 | 920 |
Other specifications of cast steel pipe lined with basalt can be manufactured according to customer technical requirements. Suitable for large-diameter basalt lining steel pipes with a nominal diameter greater than 800mm. Generally, according to the running status of the pipeline, different cement is used to fix the basalt brick inside the finished steel pipe to complete the basalt lining steel pipe. Its advantages are good wear resistance, wide range of use, basically not limited by the size of the pipeline and low cost of pipeline installation.
Cast basalt pipe can be divided into straight pipe, elbow, three-way (four-way) pipe and variable diameter pipe, etc.
Comparision Chart
Comparison of Ceramic lines with few other materials under standard conditions
MaterialThickness(mm)Approx life ( Months )
| Mild Steel | 10 |
|
| Cast Iron | 20 |
|
| Ni-Hard | 20 |
|
| Cast Basalt | 30 | 20-25 |
| Ceramic | 10 | 35-40 |
The excellent performance of cast basalt lined steel pipe is that it sets tenacity of steel pipe, abrasive resistance of cast basalt pipe, concreteness of cement mortar in one.
Chemical substance ( weight %) of cast basalt
SiO2Al2O2Fe2O3TiO2CaOMgOK2ONa2OFeOP2O5
| 43.13-41.12 | 12.5-13.52 | 8.64-9.5 | 2.02-2.62 | 9.05-10.22 | 8.65-10.47 | 1.4-1.75 | 4.62-5.28 | 4.82-6.25 | 1.1-1.38 |
This greatly improves the products adaptive capacity in complicated operation conditions. At the same time. Cement mortar is selected as the filling material and this can make the inside surface of steel pipe in alkali mediums. So the surface of steel pipe generates purifying films. These films can prevent being rusted.
Physical performance of cast basalt products
CategoryAttribute
| Density | 3g/cm3 |
| Compressive Strength | ≥ 450MPa |
| Bending strength | ≥ 60MPa |
| Impact strength | 1.76KJ/M2 |
| Abrasive strength | 0.07g/cm2 |
| Vickers scale | ≥ 720kg/mm |
| Elasticity modulus | 1.67x105MPa |
| Dilatation coefficient (60℃) | 8.92x10-6 |
| Chemical Attack Resistance |
|
| 95%-98% H2SO4 | ≥ 98% |
| 20%H2S4 | ≥ 94% |
| 20 %NaOH | ≥ 98% |
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