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Designation:A426 Standard Speciï¬cation for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature ServiceA743/A743M-13a Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General ApplicationA451ASTM A451-06 Standard Specification for Centrifugally Cast Austenitic Steel Pipe for High-TemperatuA487 Standard Specification for Steel Castings Suitable for Pressure ServiceA351 Standard Specification for Castings, Austenitic, for Pressure-Containing PartsA352 Standard Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature ServiceFeatures:1. High abrasion resistance2. Thermal shock resistance3. Corrosion resistance 4. Hardness: >40HRC Applications:1. Thermal power plant coal transportation systems, dry ash conveying pipe 2. Waste slurry disposal system3. Stone in the coal power plant systems 4. Powder pneumatic conveying system
| Results of materials testing | ||||||||
| Chemical Analysis (%) | ||||||||
| Tube No. | C | Si | Mn | P | S | Cr | Cu | Hardness(HRC) |
| >3.3 | >1.80 | 0.3-1.0 | <0.05 | <0.04 | 0.3-0.8 | >0.5 | >40 | |
| 4.039 | 2.353 | 0.928 | 0.033 | 0.014 | 0.667 | 0.869 | 48 | |
| 3.866 | 2.140 | 0.897 | 0.031 | 0.014 | 0.627 | 0.881 | 45 | |
| 4.043 | 2.427 | 0.656 | 0.029 | 0.013 | 0.647 | 0.948 | 44 | |
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