全部

1·Steel welding procedure qualification under the pressure of JB / T 4708-2000 determine the product of welding procedure qualification program, to complete the project welding procedure specification.

根据钢制压力焊接工艺评定JB/T 4708-2000确定产品的焊接工艺评定项目，完成焊接工艺评定项目说明书。

2·High quality welding material and suitable welding parameters were used for the welding procedure qualification test results fully meeting the requirement of the product manufacturing specification.

采用了高质量焊接材料和适当的焊接规范参数范围，焊接工艺评定试验结果完全满足产品制造技术条件要求；