圆钢规格及理论重量表

圆钢定义：  

圆钢是指截面为圆形的实心长条钢材。其规格以直径的毫米数表示，如“ 50”即表示直径为 50毫米的圆钢。

圆钢分为热轧、锻制和冷拉三种。热轧圆钢的规格为5.5-250毫米。其中：5.5-25毫米的小圆钢大多以直条成捆供应，常用作钢筋、螺栓及各种机械零件；大于25毫米的圆钢，主要用于制造机械零件或作无缝钢管坯。

理论重量计算公式：

圆钢的计算公式w=0.006165*d*d

符号的意义 d=直径mm

0.006165*14*14=1.20834（kg）

1.20384*3.8=4.591692（kg）

规格及重量表：

直     径(mm)           截面面积 (cm2)         理论重量(kg/m)

5                                   0.1963                 0.154

5.6                               0.2463                 0.193

6                                   0.2827                 0.222

6.3                               0.3117                 0.245

7                                   0.3848                 0.302

8                                   0.5027                 0.395

9                                   0.6359                   0.499

10                                 0.7854                   0.617

11                               0.9503                   0.746

12                               1.131                     0.888

13                               1.327                       1.04

14                                 1.539                       1.21

15                                 1.767                       1.39

16                                 2.011                       1.58

17                               2.270                       1.78

18                               2.545                         2.00

19                             2.835                           2.23

20                               3.142                         2.47

21                               3.464                         2.72

22                               3.801                         2.98

24                               4.524                         3.55

25                             4.909                           3.85

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