Research Article
Characteristics of Corrosion Related to Ash Deposition on Boiler Heating Surface during Cofiring of Coal and Biomass
Table 3
Elemental composition of the heating surface metal (%).
| Steel | C | S | P | Si | Mn | Cr | Mo | V | Cu | Ni |
| 12CrMoVG | 0.08∼0.15 | ≤0.03 | ≤0.03 | 0.17∼0.37 | 0.40∼0.70 | 0.90∼1.20 | 0.25∼0.35 | 0.15∼0.30 | ≤0.20 | ≤0.25 | 20G | 0.17∼0.24 | ≤0.03 | ≤0.03 | 0.17∼0.37 | 0.35∼0.65 | – | – | – | – | – | T91 | 0.08∼0.12 | ≤0.02 | ≤0.02 | 0.02∼0.50 | 0.30∼0.60 | 8.00∼9.50 | 0.85∼1.05 | 0.18∼0.25 | – | ≤0.40 |
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