Mechanical properties and fracture mechanism of high strength steel sheet with low yield ratio under impact loading have been studied through instrumented impact and quasi-static tensile tests.
通过室温下的仪器化冲击试验和静态拉伸试验，研究一种低屈服比高强度钢板在冲击载荷下的力学性能和断裂机理。
Pipeline steel adopting the spicular ferrite owns the better properties of forming and anti corrosion for its low ratio of yield strength and tensile strength and uniform microstructure.
由于低屈强比和组织均匀，管线钢采用针状铁素体组织可以具有较好的（管）成型性及耐腐蚀性。 用针状铁素体管线钢平板或卷板制造的焊管的力学性能彼此相差不大。
In this paper, steel plate for buildings with high strength and low yield ratio was studied in laboratory.
本文对高强度低屈强比建筑用钢进行了实验室生产研究。
The results show that the steel has high strength, low yield ratio, powerful fire-resistant and good welding performance, so it can completely satisfy the request of JIS3136 standard of Japan.
结果表明，该钢种具有强度高，屈强比低，耐火性能强及焊接性能优良等特点，完全能够达到日本JIS3136标准要求。
The results show that the steel has high strength, low yield ratio, powerful fire-resistant and good welding performance, so it can completely satisfy the request of JIS3136 standard of Japan.
结果表明，该钢种具有强度高，屈强比低，耐火性能强及焊接性能优良等特点，完全能够达到日本JIS3136标准要求。
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