本標準規定了碳素結構、低合金結構鋼焊接件通用技術條件。本標準適用于熔化焊。本標準適用于建筑機械與設備鋼結構焊接件的設計、制造與驗收。凡產品圖樣或技術文件無特殊要求的焊接件均應符合本標準的規定。本標準不適用于壓力容器、不銹鋼結構的焊接。
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
