The results show that the weldments made from those metals in as-welded condition are instable in dimension and the rate of dimensional change decreases with time.
结果表明：七种材料的焊件都存在着尺寸不稳定，这种尺寸不稳定变形随时间的变化速率逐渐变缓；
Milling machine application in welded pipe production line will greatly improve the edge condition of strip steel.
铣边机在焊管生产机组上的应用将大大改善钢带的边缘状况。
The technical condition of steel used in high-pressure natural gas transmission pipeline and the productive technique and feature of the welded pipe used in the pipeline is discussed.
对国外高压输送天然气管线用钢的技术条件，管线用焊管的生产工艺和生产特点作了论述。
To adopt milling machines to prepare strip edges and groove to give good condition for forming and welding of spiral submerged arc-welded pipe.
在螺旋焊管生产中采用铣边机铣削带钢边缘和坡口，为螺旋焊管成形、焊接创造了有利的条件。
It is introduced in brief that the domestic and foreign employed situation of straight welded casing, manufacture technology and production condition, and some researches being done at present.
简要介绍了直缝焊套管国内外使用情况，生产技术以及国内外生产现状，目前正在进行的一些试验研究工作。
The method is adept to the welded machine which is consist of multiple kinds of steels and the steels are angled with any condition.
该方法适用于由多种型钢混合组成，且型钢杆件间成任意角度的焊接机架。
It is shown that under suitable welding condition, the alloy can be welded well by using TIG arc welding and the welding wire having the same composition as the alloy.
结果表明，在一定的焊接工艺条件下，使用钨极氩弧焊和与母材同质的焊丝，可以对ZA12材料进行有效的焊接。
The welding condition and welding material of D406A steel were recommended after that; the mechanical properties and microhardness of welded joint were also tested.
介绍了D406A钢的焊接工艺和焊接材料，对焊接接头的力学性能和显微硬度进行了测试。
The yield and tensile strength of the welded joints of the two kinds of materials increase under dynamic loading and prestrain condition that have little effect on the plasticity of structural steel.
两种材料焊接接头在动载和预应变下的屈服强度和抗拉强度均有所提高，但对其塑性影响均不大。
The yield and tensile strength of the welded joints of the two kinds of materials increase under dynamic loading and prestrain condition that have little effect on the plasticity of structural steel.
两种材料焊接接头在动载和预应变下的屈服强度和抗拉强度均有所提高，但对其塑性影响均不大。
应用推荐