| 金属风管的制作中对板材的要求如下 |
| 添加时间：2022/9/7 14:21:07 浏览次数： |
| 金属风管的制作中对板材的要求如下 The requirements for plates in the fabrication of metal air ducts are as follows: 1 普通钢板的表面应平整、光滑，厚度均匀，允许有紧密的氧化铁薄膜；不得有裂纹、结疤等缺陷，其材质应符合现行国家标准《优质碳素结构钢冷轧薄钢板和钢带》GB／T 13237或《优质碳素结构钢热轧薄钢板和钢带》GB／T 710的规定。 1 the surface of ordinary steel plate shall be flat, smooth, uniform in thickness, and tight iron oxide film is allowed; There shall be no crack, scar and other defects, and the material shall conform to the provisions of the current national standard cold rolled high quality carbon structural steel sheet and strip (GB / T 13237) or hot rolled high quality carbon structural steel sheet and strip (GB / T 710). 2 镀锌钢板(带)宜选用机石家庄电动伸缩门 保定桌椅 保定水处理设备 河北机械加工 北京电动门 保定养老院 保定防水械咬合类，其锌层厚度应符合设计或合同的规定，当无任何规定时，应采用不低于80g／m2(Z80)的板材，其材质应符合现行国家标准《连续热镀锌钢板及钢带》GB／T 2518的规定。 2 the galvanized steel sheet (strip) should be of mechanical engagement type, and the thickness of its zinc layer should conform to the design or the contract. If there is no provision, the sheet of no less than 80g / m2 (Z80) should be used, and the material should conform to the provisions of the current national standard continuous hot dip galvanized steel sheet and strip (GB / T 2518). |
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