low-hydrogen welding electrode低氢型电焊条 low-temperature welding低温焊接 lowest permissible temperature for welding焊接允许的最低温度 ..
基于50个网页-相关网页
BOWE Broadway bathroom supply kitchenware industry-specific silver electrode, silver wire, low-temperature welding, silver solder powder, silver paste.
BOWE博威供应橱具卫浴行业专用银焊条，银焊丝，低温焊条，银焊粉，银焊膏。
Preheating shall be carried out for carbon and low alloy steel welding where required. Preheating temperature shall be kept uniform from the start to the end of welding.
在进行碳钢及低合金钢的焊接时应进行预热。预热温度在焊接开始到结束期间应保持均衡。
However, if outdoor temperature is comparatively low, the records preheating aren't required for the welding operation preheating to room temperature.
但由于室外温度比较低，要求预热到室温后再进行焊接操作的焊前预热可不作记录。
应用推荐