牌号级别Q460，规格型号为400mm*300mm*20mm模拟海洋环境，将角焊件试样在温度25℃、喷淋时相对湿度92%、干燥时相对湿度47%，循环周期12h，盐液沉降量121ml/h，盐液pH值7.0，盐液浓度35g/L，试验时间100h，试验加载力138MPa，采用恒定力加载的方式进行试验。

The grade is Q460, the specification and model is 400mm * 300mm * 20MM, simulating the marine environment. The fillet weld sample is tested by constant force loading at 25 ℃, 92% relative humidity during spraying, 47% relative humidity during drying, 12h cycle cycle, 121ml / h salt settlement, 7.0 salt pH value, 35g / L salt concentration, 100h test time and 138mpa test loading force.