  
      
        
          
            標準断面寸法 
            mm | 
            断面積 
            cm2 | 
            単位質量 
            kg/m | 
            参  考 | 
           
          
            重心の位置 
            cm | 
            断面二次モーメント 
            cm4 | 
            断面二次半径 
            cm | 
            断面係数 
            cm3 | 
           
          
            | H×B | 
            t | 
            r1 | 
            r2 | 
            a | 
            304A 
            304N2A | 
            316A | 
           
          
            | Cx | 
            Cy | 
            Ix | 
            Iy | 
            ix | 
            iy | 
            Zx | 
            Zy | 
           
          
            | 40×20 | 
            3 | 
            4 | 
            2 | 
            2.271 | 
            1.80 | 
            1.81 | 
            0 | 
            0.59 | 
            5.22 | 
            0.778 | 
            1.52 | 
            0.585 | 
            2.61 | 
            0.553 | 
           
          
            | 50×25 | 
            3 | 
            4 | 
            2 | 
            2.871 | 
            2.28 | 
            2.29 | 
            0 | 
            0.72 | 
            10.6 | 
            1.60 | 
            1.93 | 
            0.746 | 
            4.26 | 
            0.896 | 
           
          
            | 80×40 | 
            5 | 
            4.5 | 
            3 | 
            7.548 | 
            5.99 | 
            6.02 | 
            0 | 
            1.16 | 
            71.1 | 
            10.9 | 
            3.07 | 
            1.20 | 
            17.8 | 
            3.83 | 
           
          
            | 100×50 | 
            4 | 
            6.5 | 
            3 | 
            7.823 | 
            6.20 | 
            6.24 | 
            0 | 
            1.36 | 
            121 | 
            18.2 | 
            3.93 | 
            1.52 | 
            24.2 | 
            4.99 | 
           
          
            | 5 | 
            6.5 | 
            3 | 
            9.643 | 
            7.65 | 
            7.70 | 
            0 | 
            1.41 | 
            146 | 
            22.1 | 
            3.89 | 
            1.52 | 
            29.2 | 
            6.16 | 
           
          
            | 6 | 
            6.5 | 
            4.5 | 
            11.37 | 
            9.02 | 
            9.07 | 
            0 | 
            1.43 | 
            168 | 
            25.3 | 
            3.85 | 
            1.49 | 
            33.7 | 
            7.09 | 
           
          
            | 130×65 | 
            6 | 
            8.5 | 
            4 | 
            15.12 | 
            12.0 | 
            12.1 | 
            0 | 
            1.80 | 
            390 | 
            58.9 | 
            5.08 | 
            1.97 | 
            60.0 | 
            12.5 | 
           
          
            | 150×75 | 
            6 | 
            8.5 | 
            4 | 
            17.52 | 
            13.9 | 
            14.0 | 
            0 | 
            2.05 | 
            609 | 
            92.3 | 
            5.90 | 
            2.30 | 
            81.2 | 
            17.0 | 
           
          
            | 9 | 
            8.5 | 
            6 | 
            25.54 | 
            20.3 | 
            20.4 | 
            0 | 
            2.16 | 
            850 | 
            129 | 
            5.77 | 
            2.25 | 
            113 | 
            24.2 | 
           
          
            | 200×100 | 
            10 | 
            10 | 
            7 | 
            38.22 | 
            30.3 | 
            30.5 | 
            0 | 
            2.81 | 
            2308 | 
            351 | 
            7.71 | 
            3.03 | 
            231 | 
            48.8 | 
           
        
       
       |