Technology

Steel Grating Weight Table of Welded and Press Locked Types for Floor

Steel grating picture shows the detail information.
WC-01: Steel grating chart help you understand the structure of welded and press locked grating easily.
  • T: Distance between the bearing bars.
  • Q: Distance between the crossing bars.
  • t1: Distance between the center to center of the bearing bar.
  • q1: Distance between the center to center of crossing bar.

Blue Color figures represents the standard grating.

Table 1: Welded Steel Grating Weight Calculation Table

Number of Bearing Strips per 1 m.
t1 × q1
Theoretical Weight of 1 kg per Square Meter Galvanized Steel Grating Floor
20/2 20/3 25/2 25/3 30/2 30/3 40/2 40/3 40/4 40/5 50/4 50/5 60/4 60/5 70/4 70/5
67 15 × 38 27 38 33 47 39 55 51 73 95   118   141   164  
67 15 × 50 26 37 32 46 38 54 50 72 94   117   140   163  
47 21 × 38 20 28 25 34 29 40 37 53 69 85 85 105 101 125 117 146
47 21 × 50 19 27 24 33 28 39 36 52 68 84 84 104 100 124 116 145
40 25 × 24 20 27 24 32 27 37 34 48 62 76 76 93 90 110 104 128
40 25 × 38 18 25 22 30 25 35 32 46 60 73 73 91 87 108 101 125
40 25 × 50 17 24 21 29 24 34 31 45 58 72 72 90 86 107 100 124
40 25 × 76 16 23 20 28 23 33 31 44 58 71 71 89 85 106 99 123
40 25 × 101 16 22 19 28 23 33 30 43 57 71 71 88 85 105 99 123
34 30 × 38 16 22 19 26 22 31 28 40 52 64 64 78 75 93 87 108
34 30 × 50 15 21 18 25 21 30 27 39 51 62 62 77 74 92 86 107
30 34 × 24 17 27 19 26 21 30 28 38 49 59 59 71 70 86 80 99
30 34 × 38 15 20 17 24 20 28 26 36 46 57 57 70 67 83 78 97
30 34 × 50 14 19 16 23 19 27 25 35 45 56 56 69 66 82 77 95
30 34 × 76 13 18 16 22 18 26 24 34 44 55 55 68 65 81 76 95
30 34 × 101 12 17 15 21 18 25 23 33 44 54 54 67 65 81 75 94
20 51 × 50 11 14 13 17 14 20 18 26 33 41 41 50 49 60 56 69
20 51 × 76 10 13 12 16 14 19 18 25 32 40 40 50 48 59 55 69
20 51 × 101 9 13 11 16 13 19 17 24 32 39 39 49 47 58 55 68
15 68 × 50 9 12 10 14 12 16 15 21 27 33 33 40 39 48 45 55
15 68 × 76 8 11 10 13 11 15 14 20 26 32 32 39 38 47 45 54
15 68 × 101 7 10 9 13 11 15 14 19 25 31 31 39 37 46 43 53
Theoretical Weight of 1 kg per Square Meter Galvanized Steel Grating Floor
Distance Between Supports
t1 × q1
20/2 20/3 25/2 25/3 25/4 25/5 30/2 30/3 30/4 30/5 35/2 35/3 35/4 35/5 40/2 40/3 40/4 40/5 50/2 50/3 50/4 50/5 60/3 60/4 60/5 70/3 70/4
30 11 × 11 47 62 54.8 73.5     62.6 85     70.4 96.7     78 108     93.8 131.3     154        
46 22 × 11 31.8 39.2 35.8 45     39.8 51     43.8 56.8     47.8 62.6     55.8 74.4     86.1     100.1  
46 22 × 22 24.2 31.6 28.2 37.5     32.2 43.3     36.2 49.2     40.2 55     48.2 66.8     78.5     92.5  
46 22 × 33 21.7 29.1 25.7 35     29.7 40.8     33.6 46.7     37.7 52.5     45.7 64.2     76     90  
46 22 × 44 20.3 27.7 24.3 33.6     28.3 39.5     32.3 45.3     36.3 51.2     44.3 62.9     74.6     88.6  
46 22 × 55 19.6 27 23.6 32.9     27.6 38.8     31.6 44.6     35.6 50.5     43.66 62.2     74     88  
46 22 × 66 19.1 26.5 23.1 32.4     27.2 38.3     31.1 44.1     35.1 50       61.7     73.5     87.5  
46 22 × 99 18.3 25.7 22.3 31.6     26.3 37.5     30.3 43.3     34.3 49.1       60.9     72.6     86.6  
30 33 × 11 26.7 31.6 29.5 35.6     32.2 39.5     34.9 43.5     37.7 47.4     43.1 55.4     63.3     73.5  
30 33 × 22 19.1 24 21.9 28 36.8 43.7 24.6 32 44.5 52.9 27.3 35.9 50.1 59.9 30.1 39.8 55.7 66.8   47.8 66.8 80.8 55.8 78 94.7 65.9 89.1
30 33 × 33 16.6 21.5 19.3 25.4 34 41 22.1 29.4 42.23 50.6 24.8 33.4 47.8 57.5 27.5 37.2 53.4 64.5 33 45.3 64.5 78.4 53 75.6 92.3 63.5 86.8
30 33 × 44 15.2 20.1 18 24.1 32.1 39 20.7 28 38.7 47 23.5 32 44.3 54 26.2 36 49.9 61   44 61 75 51.9 72.2 88.9 62 83.3
30 33 × 55 14.6 19.5 17.3 23.4 31.3 38.3 20 27.4 37.7 46 22.8 31.3 43.3 53 25.5 35.3 48.9 60 61 43.2 60 74 51.2 71.2 87.9 61.4 82.3
30 33 × 66 14 19 16.8 22.9 30.7 37.7 19.5 26.9 37 45.3 22.3 30.8 42.5 52.3 25 34.8 48.1 59.2 30.5 42.7 59.2 73.2 50.7 70.4 87.1 60.9 81.5
30 33 × 99 13.2 18.1 16 22.1 29.7 36.6 18.7 26 35.7 44 21.4 30 41.3 51 24.2 34 46.9 58   41.9 58 71.9 49.8 69.1 85.8 60 80.3
23 44 × 11 24 27.6 26.1 30.5     28.2 33.5     30.2 36.4     32.3 39.3     36.4 45.3     51.2     59.3  
23 44 × 22 16.4 20 18.5 22.9     20.5 25.9     22.6 28.8     24.7 31.7     28.8 37.7     43.6     51.7  
23 44 × 33 13.9 17.5 16 20.4     18 23.3     20 26.3     22.1 29.2       35.2     41     49.2  
23 44 × 44 12.5 16.1 14.6 19     16.7 22     18.1 25     20.8 27.9     25 33.8     39.7     47.9  
23 44 × 55 11.9 15.4 14 18.4     16 21.3     18 24.2     20.1 27.2       33.1     39     47.2  
23 44 × 66 11.4 14.9 13.4 17.9     15.5 20.8     17.5 23.8     19.6 26.7       32.6     38.5     46.7  
23 44 × 99 10.5 14 12.6 17     14.6 20     16.7 22.9     18.8 25.8       31.8     37.7     45.8  
23 44 × 133 10 13.612.1 16.5     14.1 19.5     16.2 22.4     18.2 25.3       31.3     37.2     45.3  
19 55 × 11 22.7 25.5 24.4 28     26.1 30.4     27.8 32.8     29.6 35.3     33 40.2     45.1     52.3  
19 55 × 22 15.1 18 16.8 20.4     18.5 22.8     20.2 25.3     22 27.7     25.4 32.6     37.5     44.7  
19 55 × 33 12.5 15.4 14.3 17.8     16 20.3     17.7 22.7     19.4 25.2     23 30.1     35     42.1  
19 55 × 44 11.2 14 12.9 16.5     14.6 19     16.3 21.4     18.1 23.8       28.7     33.6     40.8  
19 55 × 55 10.5 13.4 12.3 15.8     14 18.3     15.7 20.7     17.4 23.1     20.9 28     33     40.1  
19 55 × 66 10 12.9 11.8 15.3     13.5 17.8     15.2 20.2     16.9 22.6       27.5     32.5     39.6  
19 55 × 99 9.2 12 10.9 14.5     12.6 17     14.3 19.4     16 21.8       26.7     31.6     38.7  
19 55 × 133 8.7 11.5 10.4 14 .   12.1 16.4     13.8 18.9     15.6 21.3       26.2     31.1     38.2  
16 66 × 11 21.7 24 23.1 26.1     24.6 28.1     26 30.2     27.5 32.3       36.4     40.5     47  
16 66 × 22 14.1 16.4 15.5 18.5 24.1 27.9 17 20.5 29.4 33.9 18.5 22.6 32.4 37.7 20 24.6 35.5 41.5   28.8 41.5 49.1 33 47.6 56.7 39.3 53.7
16 66 × 33 11.5 13.9 13 16 21 24.9 14.5 18 25.6 30.1 16 20.1 28.6 33.9 17.4 22.1 31.7 37.7 20.3 26.3 37.7 45.3 30.4 43.8 52.9 36.8 49.9
16 66 × 44 10.2 12.5 11.7 15 19.5 23.3 13.1 16.6 23.5 28.1 15 18.7 26.6 31.9 16 20.8 29.6 35.7   25 35.7 43.3 29.1 41.8 50.9 35.5 47.9
16 66 × 55 9.5 11.9 11 14 18.6 22.5 12.5 16 22.5 27.1 14 18 25.6 30.9 15.4 20.1 28.6 34.7   24.3 34.7 42.3 28.4 40.8 49.9 34.8 46.9
16 66 × 66 9 11.4 10.5 13.4 18 21.9 12 15.5 21.8 26.3 13.4 17.5 24.8 30.1 14.9 19.6 27.9 33.9   23.8 33.9 41.5 27.9 40 49.1 34.3 46.1
16 66 × 99 8.2 10.5 9.6 12.6 17 20.9 11 14.6 20.5 25 12.6 16.7 23.5 28.8 14 18.8 26.6 32.7   22.9 32.7 40.3 27 38.8 47.9 33.4 44.8
16 66 × 133 7.7 10 9.1 12 16.4 20.2 10.6 14.1 19.8 24.3 12 16.2 22.8 28.1 13.5 18.2 25.8 31.9   22.4 31.9 39.5 26.5 38 47.1 32.9 44.0

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