应该说A123的应用规定要严格许多。对镀层的厚度，平均厚度等都有较严格的规定。当然度管件的要用A123了。
See below for a table of the more common fastener specifications and their AASHTO/ASTM designations.AASHTOASTMSpecification Description M-111 A123 Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products M-232 A153 Standard Specification for Zinc Coating (Hot-Dip) ...
所有的结构元素,包括螺栓,必须是被切断后,热浸镀锌,加工,标记和焊接。这镀锌,必须按照ASTM A143,ASTM A153和ASTM A123或等值,用130毫米的最小厚度。角度和钢板厚度超过6毫米,厚度为100毫米至6毫米和71毫米的螺栓,螺母,垫圈和地脚螺栓。 翻译结果2复制译文编辑译文朗读译文返回顶部 ...