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The structural steel is widely used in such industries as automobile, construction and photovoltaics due to its good comprehensive properties. In this paper, the effects of different microalloyed compositions and metallurgical process routes on microstructure and properties of 350 MPa grade products are studied and determined based on the differences of CSP (compact strip production) and conventional hot continuous rolling aiming at the request for utilization of photovoltaic products while considering effective productions of production line. The study results indicated that the properties of products manufactured with different process routes could all meet standard requirements. Although the contents of strengthening elements (carbon, manganese and titanium) in products with CSP production line are lower than those in products with conventional hot continuous rolling production line, the yield strengths of products manufactured with the two production lines are approximate, which are 400~460 MPa.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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