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.
但抗拉强度将随卷曲温度的降低而有少量损失，而屈强比提高。
But the tensile strength will be reduced a little, and the yield ratio increased.
管体屈服强度和屈强比有明显变化，其主要影响因素是防腐前的中频加热温度。
There is clearly changed on yield strength and ratio of yield and tensile strength and the main affecting elements is middle frequency heating temperature before coating.
热处理调质是为了提高紧固件的综合力学性能，满足产品规定的抗拉强度值和屈强比。
Quenching and tempering heat treatment are integrated in order to improve the mechanical properties of fasteners to meet the product requirements of tensile strength and yield ratio value.
随钢结构建筑的迅猛发展，对建筑用钢板的强韧度、屈强比、焊接性等提出了更高的要求。
With the rapid development of steel framed buildings, the steel plates for buildings must possess higher performances of strength, toughness, yield ratio and weldability, etc.
受非马氏体组织的影响及可动位错密度降低的作用，屈服强度、屈强比随退火温度升高而升高。
The yield strength, yield ratio increase with the increase of annealing temperature, due to the impact of non-martensite and the decrease of movable dislocation density.
较低退火温度获得高强度、高屈强比易表现出循环软化特征，不利于提高连续油管的疲劳寿命。
At lower annealing temperature obtain high strength and high yield ratio showed cyclic softening feature easily. That is detrimental to the using life of coiled tubing.
母材纵向的屈服强度及其屈强比均有上升趋势；钢管母材横向和纵向抗拉强度都呈上升趋势。
The ultimate tensile strength(UTS) both in transverse and longitudinal of pipe body showed the trend for rising.
屈服强度、屈强比、韧性等是钢管(板)的主要质量指标，合理确定这些指标的数值有相当难度。
The yield strength, yield tensile ratio and toughness are major quality indexes of steel pipe (board). However, it is quite difficult to determine them reasonably.
随着应变时效温度升高，强度和硬度增加，塑性和韧性下降，屈强比呈升高的趋势，形变强化指数降低。
With the strain aging temperature increasing, strength and hardness increases, plasticity and toughness decreases, yield ratio has the ascending trend, hardening index decreases.
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.
研究了氮含量对热镀锌双相钢拉伸性能的影响，用定拉伸试验方法模拟了平整伸长率对热镀锌双相钢屈强比的影响。
Using scaling tension test method simulated the effect of leveling elongations on yield strength ratio of hot dip galvanized dual phase steels.
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.
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.
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.
应用推荐