目前我国尚无比较合适的方法及相应的测定标准对埋弧自动焊扩散氢进行测定。本试验提出用“堆焊法”测定埋弧自动焊的扩散氢含量。该法比较符合焊接实际,简单易行,并且便于与手工焊的扩散氢进行比较。堆焊法是彷效手工电弧焊的测氢方法,采用尺寸较大的试件、引弧板和熄弧 At present, there is no suitable method and corresponding measurement standard in our country to measure the diffusion of hydrogen in submerged arc welding. The test proposed using “surfacing method” to measure the diffusion of hydrogen content of submerged arc welding. The method is more in line with the actual welding, simple and easy and manual welding of diffused hydrogen for comparison. Surfacing method is to follow the manual arc welding method of hydrogen measurement, the use of larger specimens, arc plate and arc