CONSISTENCY OF MECHANICAL PROPERTIES OF ROLLED PRODUCTS.

被引：0
|
作者：
Tupilko, V.M.
Zaika, V.I.
Morozov, A.D.
Tupilko, T.V.
机构：
来源：
| 1978年 / 8卷 / 03期
关键词：
D O I：
暂无
中图分类号：
TG [金属学与金属工艺];
学科分类号：
0805 ;
摘要：
The mechanical properties of round and stepped hot-rolled St3kp, St3sp, St5, 20-45, 35GS, and 80S steel sections were investigated. Tests were made on specimens at load application rates of 6-7 and 60-80 mm/min. The hydrogen content was varied from 2. 5-4. 0 to 0. 3-0. 4 cm**3/100 g; these hydrogen contents were provided by the preliminary annealng and slow cooling of billets before the start of rolling, by decarburizing annealing, or by boiling finished rolled stock specimens for 10 h. The degree to which the yield stress dropped was goverened by the hydrogen in the steel and evolved from the metal during the transportation of finished rolled products to the customer.
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页码：174 / 176
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