Full
Outline
At the initial stage of producing cold rolled low carbon steel SPCC with the continuous annealing cold rolling production line of Baotou Steel, there were the problems that the yield strength was higher and the yield platform. In the paper, the effect of dislocation pinning is achieved through reducing the content of [N] in the chemical components of SPCC aiming at the above problems. In view of the differences between continuous annealing and cover annealing, the performance optimization for cold rolled steel SPCC with continuous annealing is finally realized through increasing the hot rolling coiling temperature of strip steel from 650 ℃ to 710 ℃ and controlling the precipitated phases of carbides and nitrides for strip steel after hot rolling to reduce the yield strength and eliminate yield platform.
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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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