焊缝金属

Low carbon and low alloy steel ; weld metal ; microstructure ; acicular ferrite

低碳低合金钢；焊缝金属；显微组织；针状铁素体

The content of diffusible hydrogen in welded metal was determined according to the Glycerine method.

按照甘油法测定焊缝金属扩散氢的含量。

Fish eye; flakes; white dot; white point1. ichthyophthirius; ichthyophthiriasis

在焊缝金属拉断后，断面上出现的如鱼目状的一种白色圆形斑点。

Modern duplex steels are readily weldable but the procedure, especially maintaining the heat input range, must be strictly followed to obtain the correct weld metal structure.

双相钢容易焊接，但是为了获取适当的焊缝金属组织，必须严格遵循工艺，特别是保持热输入范围。

The main metallurgical characteristics of chrome is easy to rapidly oxidized to form a refractory oxide chromium oxide (Cr203), thereby increasing the possibility of weld metal inclusions.

铬的主要冶金特征是易于急剧氧化，形成难熔的氧化物三氧化二铬(Cr203)，从而增加了焊缝金属夹杂物的可能性。

In a multiple-pass weld, the temperature of the deposited weldmetal before the next pass is started.

在多焊道的焊接中，在下一焊道开始之前沉积的焊缝金属的温度。

In this article, the welding problems of high strength steels are analyzed, and the welding materials of high strength steel and the effects of heat-input 、H、N and O for weldments are introduced.

对高强钢焊接问题进行分析介绍，主要阐述了高强钢焊接材料的发展现状，线能量、氢、氮、氧对高强钢焊缝金属性能的影响。

For all other materials, the minimum carbon content of the weld metal shall be 0.05%.

对所有其它材料，焊缝金属的最低含碳量应是0.05%。

In this paper, the transformation dynamics and thermodynamics of AF in weld metal in microalloyed steel were thoroughly investigated.

因此，研究微合金钢焊缝金属中AF的形成机理，具有重要的理论和实际意义。

Addition of activating agent has no obvious effect on fracture toughness of weld metal.

添加活性剂对焊缝金属的断裂韧性没有明显作用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐