消防管道减振托臂_41/41/52/62/72规格
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预埋槽钢预埋件基本技术要求:
1.C型钢及工字钢均为热轧制造;
2.材质为Q235;
3.预埋槽钢截面尺寸80×50×25 产品长度200mm-800mm(可根据需求定制)
4.表面热浸镀锌处理,锌层厚度不小于75um;
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热锻T型螺栓基本技术要求: