Cast steel grate bars, wear parts of waste to energy furnace
1. Casting process: Shell mold precision casting
2. Steel grade: GX130CrSi29(1.4777) ( Also can be as your requirement)
3. Dimensional Tolerance of cast: DIN EN ISO 8062-3 grade DCTG8
4. Geometrical Tolerance of cast: DIN EN ISO 8062 - grade GCTG 5
5. Application: Waste to energy incineration plants.
Garbage disposal is now a very serious global problem. Trash to energy is the currently most reasonable treatment. In recent years, many countries with strong economic strength have begun to pay attention to this point. A lot of money has been invested in the construction of waste incineration power plants. This has not only brought great improvement to our environment. At the same time, it has brought us great economic benefits.
As shown in the figure, grate bars play an important role in waste incineration. In high temperature and very harsh environment, Low quality grate will greatly affect the efficiency of waste incineration, and its service life is very short. You need to replace it very often.
However, with over 10 years casting experience, we can solve the problems for you.
Steel Grade we usually use. (It can also be as your requirements.)
Chemical composition % of steel GX130CrSi29 (1.4777): EN 10295-2002
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
1.2 - 1.4 |
1 - 2.5 |
0.5 - 1 |
max 1 |
max 0.035 |
max 0.03 |
27 - 30 |
max 0.5 |
Chemical composition % of steel GX40CrNiSi27-4 (1.4823): EN 10295-2002
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
0.3 - 0.5 |
1 - 2.5 |
max 1.5 |
3 - 6 |
max 0.04 |
max 0.03 |
25 - 28 |
max 0.5 |
Chemical composition % of steel GX40CrNiSi25-20 (1.4848): EN 10295-2002
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
0.3 - 0.5 |
1 - 2.5 |
max 2 |
19 - 22 |
max 0.04 |
max 0.03 |
24 - 27 |
max 0.5 |
Chemical composition % of steel GX40CrNiSi25-12 (1.4837): EN 10295-2002
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
0.3 - 0.5 |
1 - 2.5 |
max 2 |
11 - 14 |
max 0.04 |
max 0.03 |
24 - 27 |
max 0.5 |
| Mechanical properties(ASTM A297 Grade HH)1.4837 | UTS: Min 75 Ksi/515 Mpa |
| YS: Min 35 Ksi/ 240 Mpa | |
| Elongation: in 2 in: Min 10 % | |
| Hardness: Min 200 BHN (3 places on speciment)" | |
| Microstructure/Metallography | Predominantly Austenitic structure containing dispersed carbides |
| SoundnessTest/X-ray or UT | RT per ASTM E446 Level II |
| UT per ASTM A609 Level II | |
| NDT/LPI or MPI | MPI as per ASTM E709/E125 LEVEL II |
| LPI as per ASTM E165 Level II" | |
| Final Visual Inspection | ASTM A802 Level II |
| Package | Iron case or Wooden case. |
Our Main Market Are
OEMs and engineering companies
Waste to Energy plants
Operating companies
Biomass units
Coal-fired power plants
Service companies for maintenance operations
Different kinds of OEM grate bars
Well finished grate bars
Mature Process And Strict Quality Control Is Why will you choose us
For more inquiries or technical questions, please contact XTJ Service Team. We will provide the most reasonable technical solution and the best quotation according to your product.