weldability test

In this weldability test, the weld defect is eliminated, and the welding quality and efficiency are improved by adjusting welding parameter, optimizing the groove size and enhancing the fabricating precision of the backing and the inner clapboard.

通过焊接熔透性工艺试验、调控焊接工艺参数、优选装配坡口尺寸、提高衬条及隔板加工精度，保证了电渣焊质量和焊接效率的提高。

Weldability test on X80 steel newly produced in WISCO was carried out.

针对武钢新近开发的高性能管线钢X80钢进行了焊接性能研究。

The effect of different vanadium contents on weldability of high strength rail steel was investigated by means of thermal simulating test.

通过焊接热模拟试验，研究了不同钒含量对高强钢轨钢可焊性的影响。

The weldability of 800 MPa high strength steel has been studied with 20 mm and 42 mm thickness plates by the maximum hardness test of heat-affected zone, Y slit cracking test and the test of weld energy input etc.

采用热影响区最高硬度试验、斜Y型坡口裂纹试验及焊接线能量的测试等手段研究了板厚分别为20mm及42mm的800MPa高强钢的焊接性。