双相钢（DP）作为一种先进高强钢，具有强度高、屈强比低、初始加工硬化速率高以及强度和延性匹配好的特点。
As one of advanced high strength steel, dual phase (DP) steel is widely used in producing cars nowadays and in the coming future.
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。
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.
本文对高强度低屈强比建筑用钢进行了实验室生产研究。
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。
In this paper, steel plate for buildings with high strength and low yield ratio was studied in laboratory.
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