1) Q345 angle steel
Q345角钢
1.
The abnormality of tensile strength of Q345 angle steel was observed through mechanica test.
通过力学试验,发现Q345角钢抗拉强度异常,进行化学成分、低倍、显微组织和夹杂物检验,发现角钢边部存在夹层(偏析),夹杂物严重,从而导致角钢强度下降,出现性能异常。
2) Q345 Grade Angle Steel
Q345级角钢
3) Q345 steel
Q345钢
1.
Continuous cooling transformation curve of undercooling austenite about Q345 steel
Q345钢奥氏体连续冷却转变曲线(CCT图)
2.
The fracture toughness and fatigue crack growth rate of Q345 steel were studied.
分别对Q345钢J积分值和裂纹扩展速率进行了测定。
3.
An experimental study on Q345 steel coming from 10 factories at 600 ℃ degree were carried out with transient tests.
采用恒载升温试验方法,对国内10个厂家生产的Q345钢试件在600℃下进行40次有效试验,得到每批次试件在不同荷载下变形随时间的变化曲线。
4) structural steel Q345
Q345结构钢
6) Q345 grade steel
Q345级钢
1.
This experiment makes a study of the influence of alloy design and production process on the comprehensive properties of fire-resistant steel based on Q345 grade steel,obtains better result,and lays a foundation for developing high quality,economical,fire-resistand steel in Shougang.
本试验研究了合金设计及生产工艺对以Q345级钢为载体的耐火钢综合性能的影响,并取得较好结果,为首钢开发经济、优质耐火钢奠定了基础。
补充资料：顾恺之(约345-406)
东晋画家。字长康，小字虎头，晋陵无锡(今属江苏)人。士族出身。官至散骑常侍。人谓其有三绝：才绝、画绝、痴绝。善画人物，特别强调眼睛传神。画风绵密，画史上称为“密体”。撰《论画》等文，倡“以形写神”。兼工诗文书法。有《女史箴图》存世。
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