镀锌管的尺寸规格表

作者: 镀锌管 来源: www.niutoug.com 日期: 2019-05-14 08:47:23 人气: - 评论: 16

镀锌管的尺寸规格表都是根据理论重量计算公式算出来的,一般有圆管的和方管两种。圆管的里算方法简单点,方管的相对复杂一些。下面给大家介绍几种镀锌管的尺寸规格如下:



方矩形钢管理论重量计算公式:


  正方形和长方形(矩形)截面碳钢钢管:每米重量单位: kg/m(千克/米) & lb/ft(磅/英尺)

  常用方矩管计算公式为: (长+宽)×2÷3.14-厚度×厚度×0.02466= kg/m

  公式二:kg/m = (Oc - 4Wt) * Wt * 0.00785

  其中:Oc是钢管外周长,Wt是钢管壁厚; 正方形Oc=4*a ; 长方形Oc=2a+2b a,b是边长 通俗的解释为:4x壁厚x(边长-壁厚)x7.85

  其中,方管边长和壁厚都以毫米为单位,直接把数值代入上述公式,得出即为每米方管的重量,以克为单位。


我国水管的规格均采用我国法定单位的公称直径来标称的。如DN20,就是表示公称直径20毫米的镀锌水管。镀锌水管的系列有:DN15、DN20、DN25、DN32、DN4O、DN50、DN65、DN80、DN100、......等。


金属管: 

镀锌管、不锈钢管、不锈钢衬塑管、薄壁不锈钢管、镀锌衬塑管、铜管、铸铁管等。

如果分母和分子能够约分,如分子是2、4、8、16、32时如果能够约分,就应该约分。 

英寸的表示是在右上角打上两撇,如1/2" 

如DN25的水管就是英制1"的水管,也是解放前的8分水管。 

DN15的水管就是英制1/2"的水管,也是解放前的4分水管。 

如DN20的水管就是英制3/4"的水管,也是解放前的6分水管。


英寸的表示是在右上角打上两撇,如1/2" 

如DN25(25mm,下同)的水管就是英制1"的水管,也是解放前的8分水管。 

DN15的水管就是英制1/2"的水管,也是解放前的4分水管。 

如DN20的水管就是英制3/4"的水管,也是解放前的6分水管。 


材质: 材质就有很多,根据不同的需要。

标准: 有英制标准和国际标准两种。 

尺寸: 

DN15(4分管)、DN20(6分管)、DN25(1寸管)、DN32(1寸2管)、DN40(1寸半管)、DN50(2寸管)、DN65(2寸半管)、DN80(3寸管)、DN100(4寸管)、DN125(5寸管)、DN150(6寸管)、DN200(8寸管)、DN250(10寸管)等。 


以上这些都是镀锌管的镀锌管的尺寸规格表,对应您的设计图纸找自己所需规格,壁厚一般都是国标,这个也可以询问厂家。以上都是平时工程所用的规格,希望能帮到大家,祝大家发财!

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