AWS D14。D13/D14。3M:2019提供了用于土方、建筑和农业设备制造的结构焊缝生产标准。此类设备被定义为自行式、公路上和公路外机械及相关工具。制造商的责任与焊接实践有关，在该设备上生产焊接件的行业内已被证明是成功的。在整个文件中定义并解释了基本尺寸焊接细节，以供应用。规定用于识别这些焊接件中使用的贱金属。 考虑到影响可焊性的因素，包括确保其与兼容、可识别的焊接工艺和耗材焊接的程序。

AWS D14.3/D14.3M:2019 provides standards for producing structural welds used in the manufacture of earthmoving, construction, and agricultural equipment. Such equipment is defined as self-propelled, on- and off-highway machinery and associated implements. Manufacturers responsibilities are presented as they relate to the welding practices that have been proven successful within the industry in the production of weldments on this equipment. Basic dimensional weld details are defined and interpreted for application throughout the document. Provisions are made to identify base metals used in these weldments. Procedures to assure they are welded with compatible, identifiable welding processes and consumables are included with consideration given to factors that affect weldability.