The quality of resistance spot welding of low carbon steel and high strength low alloy steel is studied by looking into the dynamic voltage characteristics of the electrodes.
本文通过对电阻点焊电极电压动态特性的分析，研究了低碳钢及低合金高强度钢电阻点焊的质量问题。
The gear reducer for high strength steel carburizing carburizing hardening low noise transmission.
减速器的轮为高强度渗碳钢，经渗碳淬火处理，传动噪音低。
The results showed that the if steel has better deep drawability, higher mechanical and texture strength and elongation if the hot rolling temperature was low with big reduction in ferrite region.
结果表明，较低的铁素体轧制温度和较高的铁素体区压下量时，IF钢具有更高的深冲性能、相对较高的强度、延伸率以及织构强度。
Carbon steel has high and low temperature strength is very tough and has excellent fatigue strength.
碳钢具有高温和低温强度，具有很高的韧度和优异的抗疲劳强度。
For welding low-alloy and high strength steel with corresponding strength grade.
用于相同强度等级的低合金高强钢的焊接。
Therefore, the steel is mainly used for low temperature impact of the impact of the components, welding structure and other requirements of higher strength components.
因此，镇静钢材主要用于低温下承受冲击的构件、焊接结构及其他要求强度较高的构件。
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。
To meet the development of steels used for the large engineering machinery, fatigue crack growth rates of a high strength low alloy steel HG80 and welded joint were investigated.
为适应大型工程机械焊接用钢需要，对低合金高强度钢HG80及其焊接接头的疲劳裂纹扩展速率进行了研究。
The results indicate that the X70 pipeline steel with acicular ferrite microstructure has high strength, high toughness, low transition temperature and high dynamic tear-resistance.
结果表明，本钢X70管线钢具有高强度、高抗动态撕裂能力、高低温冲击韧性以及低韧脆转变温度。
Compared with the forging die steel, casting forging die steel although toughness is low, but high strength, red hardness is good, with low notch sensitivity and high resistance to thermal fatigue.
与锻造模具钢相比，铸造热锻模具钢虽然韧性低，但强度高、红硬性好，具有较低的缺口敏感性和较高的抗热疲劳性。
There are four broad classifications of steel: carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
钢材大致可分为四类：炭素钢，合金钢，高强度低合金钢和不锈钢。
The results show that the pre-hardened plastic-mould steel belongs to a little low machinability steel because of much hard inclusion existing in microstructure and its high strength and hardness.
结果表明，这类材料属较难加工材料，这主要是由于钢中存在大量硬质点，且材料具有较高强度和硬度所致。
Suitable for welding of critical structures of low carbon steel and low-grade strength of low alloy.
用于焊接较重要的低碳钢结构和强度等级较低的低合金钢。
In order to fulfil the requirement of steel market for structure, BXSTEEL developed Q460C low alloyed high strength hot-rolling plate for structure with higher capability successfully.
为了满足钢结构用钢的市场需求，本钢成功地开发了具有较高性能的结构用低合金高强度Q 460c热轧钢板。
First, the steel fiber reinforced concrete and the lightweight aggregate concrete can make up the deficiencies of common concrete such as low tensile strength and large dead weight.
首先，钢纤维和轻骨料能弥补普通混凝土存在的抗拉强度低和自重大等方面的不足。
Low carbon steel for wire drawing has higher tensile strength in SGIS. The analysis showed that higher tensiles strength was mainly originated from the high content of Cu, As, Sn in steel.
介绍了韶钢低碳拉丝用钢抗拉强度偏高的情况，分析表明钢中微量元素铜、砷、锡含量高是导致低碳拉丝用钢强度高的主要因素。
The results showed that the strength of the steel is not sensitive to the quenching temperature, but the toughness at low temperature is.
结果表明，强度对淬火温度变化不敏感，而低温韧性则较敏感。
A kind of new M-B low-alloy wear resistance steel with high strength has been studied to overcome the deficiency of traditional high-manganese steel used in making grippad.
针对传统上高锰钢作为履带板材料在实际应用中的不足，研究了一种新型的铸造m - B低合金高强度耐磨钢。
The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.
舞钢研制开发的调质钢wh80 Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
Low carbon steel possesses a fine plasticity, and its strength and rigidity are contented with the car body. So it is widely used in car body.
低碳钢板具有很好的塑性加工性能，强度和刚度也能满足汽车车身的要求，同时能满足车身拼焊的要求，因此在汽车车身上应用很广。
On the basis of experiment research, the internal force of high strength bolt joint area of steel beams and concrete walls within steel profiled bar was analyzed under the low period cyclic load.
在试验研究的基础上，对钢梁与钢骨混凝土墙高强螺栓连接节点在低周反复荷载作用下节点域的内力进行分析。
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊接材料：低碳钢、强度钢、碳钢、合金钢。
The precipitation behaviors of titanium in high strength low alloy steel(HSLA steel) were summarized including the type, morphology, size and precipitation kinetics of the precipitates.
总结了钛在低合金高强钢中的析出行为，包括析出物的种类、形态、尺寸及析出动力学；
This paper introduces the contrast test of wear resistance of hot rolled low - carbon high strength bainite steel plate to ordinary steel plate on QLK800.32 bucket wheel reclaimer.
本文介绍了热轧低碳贝氏体高强钢板在qlk800.32型斗轮取料机上与普碳钢板进行耐磨性对比工业试验的情况。
Because the high temperature strength of the ferrite stainless steel is low, the breadth of the slab made from the vertical-arc continuous casting machine do not reach tolerance.
铁素体不锈钢由于高温强度低，直弧型连铸机生产的板坯宽度尺寸难以满足公差要求。
HG70 steel is a high strength and low carbon steel for mechanical engineering use.
HG70钢是一种高强度低合金机械工程用钢。
For welding the extra thick plate of low alloy high strength steel, due to the influence of welding stress, it relatively difficulty for controlling the defect and deformation.
低合金高强钢特厚板的焊接，由于焊接应力的影响，在控制缺陷和变形方面都比较困难。
Wwlding material:low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊接材料：低碳钢、高强度钢、中碳钢、低合金钢。
They developed a new kind of low - alloy steel which HAS great tensile strength.
他们炼出了一种有较大拉力的低合金。
They developed a new kind of low - alloy steel which HAS great tensile strength.
他们炼出了一种有较大拉力的低合金。
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