本标准规定了碳素结构、低合金结构钢焊接件通用技术条件。本标准适用于熔化焊。本标准适用于建筑机械与设备钢结构焊接件的设计、制造与验收。凡产品图样或技术文件无特殊要求的焊接件均应符合本标准的规定。本标准不适用于压力容器、不锈钢结构的焊接。
This standard specifies the general specification of carbon structural steel and low alloy structural steel welding.
This standard is applicable to fusion welding.
This standard is applicable to the design, manufacture and acceptance of steel structural welding of the construction machinery and equipment.
Any welding without special requirements in product drawings or technical documents shall comply with the requirements of this standard.
This standard is not applicable to welding of pressure vessels and stainless steel structure.
Foreword i
1 Scope
2 Normative References
3 Definitions
4 Symbols
5 Technical Requirements
6 Inspection of Welding Parts
7 Transportation, Packaging, Marking and Storage
Appendix A (Normative) Method for Measurement of Straightness, Planeness and Parallelism of Welding Parts