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Steel grating loading capacity calculator and table

Steel Grating: Applications, Specifications, and Load Calculations

Plain steel grating and I steel grating is a common industrial material widely used in platforms, walkways, and trench covers. Its design focuses on load-bearing capacity and durability, making accurate parameter calculations essential. For instance, using a grating calculator, users can quickly determine the load capacity and structural requirements of different grating specifications in specific application scenarios. This tool simplifies the design and selection process, improving overall project efficiency.

In addition, grating load calculation is critical in real-world projects. This calculation helps users evaluate the deformation and strength of steel grating under concentrated and distributed loads, ensuring safety and reliability in use. These calculations also account for material properties, span length, and environmental factors, providing scientific guidance for selecting the appropriate grating type.

The meanings of related parameters

  • Fv in the table represents the safety additional uniformly distributed load, KN/㎡.
  • In the table, fv represents deformation deflection, mm.
  • In the table, Fp represents the applied linear load in the width direction, KN/M.
  • In the table, fp represents deformation deflection, mm.

Fv

fv

fp

Loading capacity calculator（For flat bearing bar）

Flat steel center distance(D1)
(Unit: mm)		 Span(L)
(Unit: mm)		 Flat steel width(A1)
(Unit: mm)		 Flat steel thickness(A2)
(Unit: mm)
Safe evenly distributed load(Fv)
(Unit: KN/㎡)		 Maximum deflection for safe uniformly distributed load(fv)
(Unit: mm)
0.00 0.00
Safety Linear load(Fp)
(Unit: KN/m)		 Maximum deflection of safety Linear load(fp)
(Unit: mm)
0.00 0.00

Loading capacity calculator（For i type bearing bar）

Flat steel center distance(D1)
(Unit: mm)		 Span(L)
(Unit: mm)		 Flat steel width(A1)
(Unit: mm)		 Flat steel thickness(A2)
(Unit: mm)
Safe evenly distributed load(Fv)
(Unit: KN/㎡)		 Maximum deflection for safe uniformly distributed load(fv)
(Unit: mm)
0.00 0.00
Safety Linear load(Fp)
(Unit: KN/m)		 Maximum deflection of safety Linear load(fp)
(Unit: mm)
0.00 0.00

Steel grating specifications and marking methods

Common steel grating loading capacity

Common steel grating loading capacity

Common models and safety load tables of heavy-load pressure-welded steel gratings
型号 Type 扁钢
宽度
mm
Width
of Steel
bar		 扁钢
厚度
mm
Thickness
of bearing
bar		 横杆
尺寸
mm
Cross
bar
size		 理论
重量
Kg/㎡
Nom
Weight		 跨距（mm）Clear Span
200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
G1508/40/100 150 8 8x8 284.9 Fv 25500 6375 2883 1593 1020 708 520 398 314 255 210 177 150 130 113
fv 0.05 0.18 0.41 0.73 1.15 1.66 2.26 2.95 3.74 4.63 5.6 6.7 7.85 9.17 10.54
Fp 2550 1275 850 637 510 425 364 318 283 255 231 212 196 182 170
fp 0.04 0.15 0.33 0.59 0.92 1.33 1.81 2.36 3 3.72 4.5 5.37 6.34 7.38 8.51
G1308/40/100 130 8 8x8 247.6 Fv 19153 4788 2128 1197 766 532 390 299 236 191 158 133 113 97 85
fv 0.05 0.21 0.48 0.85 1.33 1.91 2.6 3.41 4.32 5.34 6.49 7.76 9.11 10.55 12.22
Fp 1915 957 638 478 383 319 273 239 212 191 174 159 147 136 127
fp 0.04 0.17 0.38 0.68 1.06 1.53 2.09 2.73 3.46 4.29 5.22 6.21 7.33 8.5 9.81
G1208/40/100 120 8 8x8 229 Fv 16320 4080 1813 1020 653 453 333 255 201 163 134 113 96 83 72
fv 0.06 0.23 0.52 0.92 1.44 2.07 2.83 3.7 4.68 5.8 7 8.39 9.85 11.5 13.2
Fp 1632 816 544 408 326 272 233 204 181 163 148 136 125 116 108
fp 0.05 0.18 0.41 0.74 1.15 1.66 2.26 2.97 3.76 4.66 5.65 6.77 7.94 9.24 10.64
G1008/40/100 100 8 8x8 191.7 Fv 11333 2833 1259 708 453 314 231 177 139 113 93 78 67 57 50
fv 0.07 0.28 0.62 1.1 1.73 2.48 3.396 4.45 5.61 6.97 8.43 10.05 11.94 13.73 15.94
Fp 1133 566 377 283 226 188 161 141 125 113 103 94 87 80 75
fp 0.06 0.22 0.5 0.88 1.38 1.99 2.71 3.55 4.5 5.6 6.82 8.12 9.6 11.09 12.86
G908/40/100 90 8 8x8 173.1 Fv 9180 2295 1020 573 367 255 187 143 113 91 75 63 54 46 40
fv 0.06 0.31 0.69 1.22 1.92 2.77 3.77 4.93 6.26 7.72 9.35 11.17 13.24 15.25 17.57
Fp 918 459 306 229 183 153 131 114 102 91 83 76 70 65 61
fp 0.06 0.24 0.55 0.98 1.53 2.22 3.03 3.94 5.04 6.2 7.56 9.04 10.64 12.42 14.42
G808/40/100 80 8 8x8 154.4 Fv 7253 1813 805 453 290 201 148 113 89 72 59 50 42 37 32
fv 0.09 0.34 0.77 1.38 2.16 3.11 4.25 5.56 7.04 8.71 10.5 12.66 14.73 17.53 20.11
Fp 725 363 241 181 145 120 103 90 80 72 65 60 55 51 48
fp 0.07 0.27 0.62 1.1 1.73 2.48 3.39 4.44 6.65 7.01 8.47 10.2 11.97 13.96 16.27
G758/40/100 75 8 8x8 145.1 Fv 6375 1593 708 398 255 177 130 99 78 63 52 44 37 32 28
fv 0.09 0.37 0.83 1.47 2.31 3.33 4.54 5.92 7.5 9.27 11.25 13.55 15.78 18.47 21.42
Fp 637 318 212 159 127 106 91 79 70 63 57 53 49 45 42
fp 0.07 0.29 0.66 1.18 1.84 2.66 3.64 4.74 6 7.45 9.02 10.95 12.95 14.97 17.31
G756/30/100 75 6 8x8 140.1 Fv 4781 1195 531 298 191 132 97 74 59 47 39 33 28 24 21
fv 0.09 0.37 0.83 1.47 2.3 3.31 4.52 5.9 7.56 9.22 11.25 13.55 15.93 18.48 21.44
Fp 637 318 212 159 127 106 91 79 70 63 57 53 49 45 42
fp 0.07 0.29 0.66 1.18 1.84 2.26 3.64 4.74 6 7.45 9.02 10.95 12.95 14.97 17.31
G756/40/100 75 6 8x8 110.1 Fv 4781 1195 531 298 191 132 97 74 59 47 39 33 28 24 21
fv 0.09 0.37 0.83 1.47 2.3 3.31 4.52 5.9 7.56 9.22 11.25 13.55 15.93 18.48 21.44
Fp 478 239 159 119 95 79 68 59 53 47 43 39 36 34 31
fp 0.07 0.29 0.66 1.17 1.83 2.64 3.63 4.72 6.06 7.42 9.08 10.77 12.73 15.11 17.1
G706/30/100 70 6 8x8 131.1 Fv 5553 1388 617 347 222 154 113 86 68 55 45 38 32 28 24
fv 0.1 0.39 0.89 1.58 2.47 3.56 4.85 6.32 8.04 9.96 11.99 14.41 16.82 19.9 22.65
Fp 555 277 185 138 111 92 79 69 61 55 50 46 42 39 37
fp 0.08 0.31 0.71 1.26 1.98 2.84 3.89 5.09 6.44 8.01 9.75 11.72 13.71 16.02 18.82
G706/40/100 70 6 8x8 103.2 Fv 4165 1041 462 260 166 115 85 65 51 41 34 28 24 21 18
fv 0.1 0.39 0.88 1.58 2.46 3.55 4.87 6.38 8.05 9.91 12.09 14.19 16.85 19.95 22.7
Fp 416 208 138 104 83 69 59 52 46 41 37 34 32 29 27
fp 0.08 0.31 0.71 1.26 1.97 2.84 3.88 5.12 6.48 7.98 9.64 11.58 13.95 15.93 18.4
Common models and safety load tables of I-shaped flat steel with a center spacing of 30mm press-welded steel grating
型号 Type 型钢
宽度
mm
Width
of
Steel bar		 翼缘
厚度
mm
Thick- ness of Flange		 腹部
厚度
mm
Thick-
ness of Flank		 翼缘
宽度
mm
Width
of
Flange		 理论
重量
Kg/㎡
Nom
Weight		 跨距（mm）Clear Span
200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
G757/30/50I 75 7 4 12 126.1 Fv 6460 1615 717 403 258 179 131 100 75 64 53 44 38 32 28
fv 0.09 0.37 0.83 1.47 2.3 3.31 4.5 5.88 5.89 9.25 11.26 13.3 15.89 18.11 20.99
G757/30/100I 120.7 Fp 646 323 215 161 129 107 92 80 60 64 58 53 49 46 43
fp 0.07 0.29 0.66 1.17 1.84 2.65 3.62 4.72 4.72 7.44 9.02 10.76 12.72 15 17.36
G657/30/50I 65 7 4 10 110.1 Fv 4862 1215 540 303 194 135 99 75 56 48 40 33 28 24 21
fv 0.11 0.42 0.95 1.69 2.65 3.83 5.22 6.77 6.75 10.67 13.07 15.36 18.05 20.94 24.29
G657/30/100I 104.8 Fp 486 243 162 121 97 81 69 60 45 48 44 40 37 34 32
fp 0.08 0.34 0.76 1.35 2.12 3.07 4.17 5.44 5.44 8.58 10.53 12.5 14.8 17.12 19.96
G607/30/50I 60 7 4 10 99.1 Fv 4216 1054 468 263 168 117 86 65 49 42 34 29 24 21 18
fv 0.11 0.46 1.03 1.83 2.86 4.13 5.65 7.31 7.35 11.62 13.85 16.81 19.29 22.82 25.97
G607/30/100I 96.1 Fp 421 210 140 105 84 70 62 52 39 42 38 35 32 30 28
fp 0.09 0.36 0.82 1.46 2.29 3.3 4.52 5.87 5.87 9.35 11.33 13.63 15.96 18.82 21.77
G557/30/50I 55 7 4 8.5 90.3 Fv 3502 875 398 218 140 97 71 54 41 35 28 24 20 17
fv 0.13 0.5 1.13 2 3.15 4.53 6.17 8.03 8.14 12.82 15.11 18.44 21.32 24.55
G557/30/100I 87.3 Fp 350 175 116 87 70 58 50 43 32 35 31 29 26 25
fp 0.1 0.4 0.9 1.6 2.52 3.62 4.98 6.42 6.38 10.32 12.26 14.98 17.23 20.83
G507/30/50I 50 7 4 8 83.2 Fv 2912 728 323 182 116 80 59 45 34 29 24 20 17
fv 0.14 0.55 1.24 2.21 3.44 4.94 6.78 8.85 8.93 14.07 17.14 20.37 24.01
G507/30/100I 80.2 Fp 291 145 97 72 58 48 41 36 27 29 26 24 22
fp 0.11 0.44 0.99 1.75 2.76 3.96 5.4 7.12 7.13 11.33 13.63 16.45 19.34
G505/30/50I 50 5 3 8.5 62.8 Fv 2085 521 231 130 83 57 42 32 24 20 17 14
fv 0.14 0.55 1.23 2.2 3.44 4.91 6.73 8.79 8.8 13.57 16.97 19.95
G505/30/100I 59.8 Fp 208 104 69 52 41 34 29 26 19 20 18 17
fp 0.11 0.44 0.98 1.76 2.72 3.92 5.33 7.17 7.01 10.94 13.21 16.31
G445/30/50I 44 5 3 8 56.5 Fv 1654 413 183 103 66 45 33 25 19 16 13
fv 0.16 0.62 1.4 2.5 3.92 5.56 7.59 9.86 10.01 15.6 18.7
G445/30/100I 53.5 Fp 165 82 55 41 33 27 23 20 15 16 15
fp 0.12 0.5 1.12 1.99 3.14 4.46 6.07 7.93 7.95 12.58 15.81
G385/30/50I 38 5 3 7 49.9 Fv 1246 311 138 77 49 34 25 19 14 12
fv 0.18 0.73 1.64 2.89 4.51 6.52 8.93 11.64 1.47 18.22
G385/30/100I 46.9 Fp 124 62 41 31 24 20 17 15 11 12
fp 0.14 0.58 1.3 2.33 3.55 5.13 6.98 9.25 9.08 14.72
G325/30/50I 32 5 3 6 43.3 Fv 884 221 95 55 35 24 18 13 10
fv 0.21 0.86 1.94 3.44 5.37 7.68 10.74 13.35 13.71
G325/30/100I 40.3 Fp 88 44 29 22 17 14 12 11 9
fp 0.17 0.69 1.53 2.76 4.19 6.01 8.24 11.36 13.42
G225/30/50I 25 5 3 4.5 35.1 Fv 544 136 60 34 21 15 11
fv 0.28 1.1 2.47 4.45 6.75 10.06 13.77
G225/30/100I 32.1 Fp 54 27 18 13 10 9 7
fp 0.22 0.88 1.95 3.41 5.17 8.09 10.13
型号 Type 型钢
宽度
mm
Width
of
Steel bar		 翼缘
厚度
mm
Thick- ness of Flange		 腹部
厚度
mm
Thick-
ness of Flank		 翼缘
宽度
mm
Width
of
Flange		 理论
重量
Kg/㎡
Nom
Weight		 跨距（mm）Clear Span
200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
G757/40/50I 75 7 4 12 101 Fv 4845 1211 538 302 193 124 98 75 75 59 48 40 33 28 24
fv 0.09 0.37 0.83 1.47 2.29 3.31 4.49 5.89 5.89 7.44 9.27 11.35 13.33 15.66 18.16
G757/40/100I 95.6 Fp 484 242 161 121 96 80 69 60 60 53 48 44 40 37 34
fp 0.07 0.29 0.66 1.18 1.38 2.64 3.63 4.72 4.72 5.79 7.45 9.13 10.85 12.83 14.83
G657/40/50I 65 7 4 10 88.5 Fv 3646 911 405 227 145 101 74 56 56 45 36 30 25 21 18
fv 0.11 0.42 0.95 1.69 2.64 3.83 5.21 6.75 6.75 8.72 10.68 13.1 15.54 18.1 21
G657/40/100I 83.2 Fp 364 182 121 91 72 60 52 45 45 40 36 33 30 28 26
fp 0.08 0.34 0.76 1.36 2.1 3.04 4.2 5.44 5.44 6.92 8.6 10.55 12.54 14.98 17.5
G607/40/50I 60 7 4 10 78.9 Fv 3162 790 351 197 126 87 64 49 49 39 31 26 21 18 16
fv 0.11 0.46 1.03 1.83 2.86 4.1 5.61 7.35 7.35 9.41 11.46 14.13 16.28 19.33 23.23
G607/40/100I 75.9 Fp 316 158 105 79 63 52 45 39 39 35 31 28 26 24 22
fp 0.09 0.37 0.82 1.47 2.29 3.28 4.52 5.87 5.87 7.54 9.22 11.16 13.54 16 18.48
G557/40/50I 55 7 4 8.5 71.9 Fv 2626 656 291 164 105 72 53 41 41 32 26 21 18 15
fv 0.13 0.5 1.13 2.01 3.15 4.49 6.14 8.14 8.14 10.22 12.72 15.14 18.48 21.37
G557/40/100I 68.9 Fp 262 131 87 65 52 43 37 32 32 29 26 23 21 20
fp 0.1 0.4 0.9 1.59 2.5 3.58 4.92 6.38 6.38 8.28 10.25 12.16 14.53 17.71
G507/40/50I 50 7 4 8 66.4 Fv 2184 546 242 136 87 60 44 34 34 26 21 18 15
fv 0.14 0.55 1.24 2.2 3.45 4.95 6.74 8.93 8.93 11 13.62 17.18 20.42
G507/40/100I 63.4 Fp 218 109 72 54 43 36 31 27 27 24 21 19 18
fp 0.11 0.44 0.98 1.75 2.73 3.97 5.45 7.13 7.13 9.07 10.98 13.33 16.5
G505/40/50I 50 5 3 8.5 50.4 Fv 1564 391 173 97 62 43 31 24 24 19 15 12
fv 0.14 0.55 1.23 2.19 3.34 4.95 6.64 8.8 8.8 11.22 13.6 16.05
G505/40/100I 47.4 Fp 156 78 52 39 31 26 22 19 19 17 15 14
fp 0.11 0.44 0.99 1.76 2.75 4 5.4 7.01 7.01 8.98 10.96 13.72
G445/40/50I 44 5 3 8 45.5 Fv 1241 310 137 77 49 34 25 19 19 15 12
fv 0.16 0.62 1.4 2.49 3.88 5.61 7.68 10.01 10.01 12.73 15.64
G445/40/100I 42.5 Fp 124 62 41 31 24 20 17 15 15 13 12
fp 0.12 0.5 1.12 2.01 3.05 4.41 5.99 7.95 7.95 9.89 12.62
G385/40/50I 38 5 3 7 40.3 Fv 935 233 103 58 37 25 19 14 14 11
fv 0.18 0.73 1.63 2.91 4.55 6.4 9.06 1.47 1.47 14.54
G385/40/100I 37.3 Fp 93 46 31 23 18 15 13 11 11 10
fp 0.14 0.57 1.31 2.31 3.55 5.14 7.12 9.08 9.08 11.85
G325/40/50I 32 5 3 6 35.1 Fv 663 165 73 41 26 18 13 10 10
fv 0.21 0.86 1.92 3.43 5.33 7.69 10.37 3.71 3.71
G325/40/100I 32.1 Fp 66 33 22 16 13 11 9 8 8
fp 0.17 0.69 1.55 2.68 4.28 6.3 8.26 11.06 11.06
G225/40/50I 25 5 3 4.5 28.7 Fv 408 102 45 25 16 11 8
fv 0.28 1.1 2.47 4.36 6.86 9.86 13.41
G225/40/100I 25.8 Fp 40 20 13 10 8 6 5
fp 0.22 0.87 1.91 3.5 5.51 7.24 9.71
Common models and safety load tables of flat steel center spacing 20mm press welded steel grating
型号 Type 扁钢宽度 mm Width of bearing bar 扁钢厚度 mm thickness of bearing bar 理论 重量 Kg/㎡ Nom Weight 跨距（mm）Clear Span
200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
G605/20/50 60 5 138.3 Fv 5100 1275 566 318 204 141 104 79 62 51 42 35 30 26 22
fv 0.11 0.46 1.03 1.84 2.88 4.15 5.69 7.4 9.34 11.77 14.27 16.94 20.13 23.62 26.57
G605/20/100 135.3 Fp 510 255 170 127 102 85 72 63 56 51 46 42 39 36 34
fp 0.09 0.37 0.83 1.47 2.31 3.34 4.51 5.92 7.54 9.47 11.45 13.68 16.28 18.93 22.17
G555/20/50 55 5 127.3 Fv 4285 1071 476 267 171 119 87 66 52 42 39 29 25 21
fv 0.13 0.5 1.13 2 3.14 4.55 6.18 8.04 10.19 12.62 15.48 18.3 21.87 24.94
G555/20/100 124.3 Fp 428 214 142 107 85 71 61 53 47 42 38 35 32 30
fp 0.1 0.4 0.9 1.61 2.5 3.63 4.97 6.48 8.24 10.17 12.34 14.87 17.45 20.61
G505/20/50 50 5 116.3 Fv 3541 885 393 221 141 98 72 55 43 35 29 24 20
fv 0.14 0.55 1.24 2.21 3.45 4.99 6.82 8.93 11.25 14.03 17.14 20.24 23.45
G505/20/100 113.3 Fp 354 177 118 88 70 59 50 44 39 35 32 29 27
fp 0.11 0.44 0.99 1.76 2.75 4.02 5.43 7.18 9.12 11.32 13.88 16.49 19.69
G503/20/50 50 3 73.8 Fv 2125 531 236 132 85 59 43 33 26 21 17 14
fv 0.14 0.55 1.24 2.2 3.47 5.01 6.79 8.94 11.35 14.06 16.8 19.76
G503/20/100 70.8 Fp 212 106 70 53 42 35 30 26 23 21 19 17
fp 0.11 0.44 0.98 1.77 2.75 3.98 5.44 7.08 8.99 11.34 13.78 16.18
G455/20/50 45 5 105.2 Fv 2868 717 318 179 114 79 58 44 35 28 23 19
fv 0.15 0.61 1.38 2.46 3.83 5.53 7.55 9.83 12.59 15.47 18.74 22.13
G455/20/100 102.2 Fp 286 143 95 71 57 47 40 35 31 28 26 23
fp 0.12 0.49 1.1 1.95 3.07 4.4 5.98 7.86 9.99 12.48 15.55 18.08
G405/20/50 40 5 94.2 Fv 2266 566 251 141 90 62 46 35 27 22 18
fv 0.17 0.69 1.55 2.76 4.31 6.19 8.55 11.16 13.9 17.39 21.01
G405/20/100 91.2 Fp 226 113 75 56 45 37 32 28 25 22 20
fp 0.14 0.55 1.23 2.19 3.46 4.94 6.83 8.99 11.52 14.05 17.18
G403/20/50 40 3 60.3 Fv 1360 340 151 85 54 37 27 21 16 13
fv 0.17 0.69 1.55 2.77 4.31 6.16 8.37 11.18 13.76 17.18
G403/20/100 57.3 Fp 136 68 45 34 27 22 19 17 15 13
fp 0.14 0.55 1.23 2.22 3.46 4.9 6.77 9.11 11.55 13.89
G355/20/50 35 5 83.2 Fv 1735 433 192 108 69 48 35 27 21 17
fv 0.2 0.79 1.77 3.15 4.94 7.16 9.74 12.9 16.21 20.17
G355/20/100 80.2 Fp 173 86 57 43 34 28 24 21 19 17
fp 0.16 0.62 1.4 2.52 3.91 5.6 7.68 10.12 13.15 16.32
G353/20/50 35 3 53.5 Fv 1041 260 115 65 41 28 21 16 12
fv 0.2 0.79 1.77 3.17 4.9 6.98 9.75 12.77 15.51
G353/20/100 50.5 Fp 104 52 34 26 20 17 14 13 11
fp 0.16 0.63 1.39 2.54 3.84 5.67 7.49 10.45 12.75
G325/20/50 32 5 76.6 Fv 1450 362 161 90 58 40 29 22 17 14
fv 0.21 0.86 1.94 3.44 5.44 7.82 10.58 13.8 17.25 21.85
G325/20/100 73.6 Fp 145 72 48 36 29 24 20 018 16 14
fp 0.17 0.68 1.54 2.76 4.37 6.29 8.4 11.38 14.55 17.7
G323/20/50 32 3 49.4 Fv 870 217 96 54 34 24 17 13 10
fv 0.21 0.86 1.93 3.44 5.32 7.83 10.37 13.64 16.98
G323/20/100 46.4 Fp 87 43 29 21 17 14 12 10 9
fp 0.17 0.68 1.56 2.69 4.27 6.13 8.42 10.6 13.74
G255/20/50 25 5 61.1 Fv 885 221 98 55 35 24 18 13
fv 0.28 1.1 2.48 4.42 6.91 9.9 13.87 17.31
G255/20/100 58.1 Fp 88 44 29 22 17 14 12 11
fp 0.22 0.88 1.96 3.55 5.4 7.76 10.68 14.76
G253/20/50 25 3 39.9 Fv 531 132 59 33 21 14 10
fv 0.28 1.1 2.49 4.43 6.92 9.66 12.92
G253/20/100 36.9 Fp 53 26 17 13 10 8 7
fp 0.22 0.86 1.92 3.5 5.3 7.42 10.43
G205/20/50 20 5 50.1 Fv 566 141 62 35 22 15 11
fv 0.34 1.37 3.07 5.51 8.53 12.18 16.74
G205/20/100 47.1 Fp 56 28 18 14 11 9 8
fp 0.27 1.09 2.38 4.43 6.86 9.82 14.04
G203/20/50 20 3 33.1 Fv 340 58 37 21 13 9
fv 0.34 1.38 3.06 5.52 8.42 12.22
G203/20/100 30.1 Fp 34 17 11 8 6 2
fp 0.28 1.11 2.43 4.23 6.27 9.16
型号 Type 扁钢宽度 mm Width of bearing bar 扁钢厚度 mm thickness of bearing bar 理论 重量 Kg/㎡ Nom Weight 跨距（mm）Clear Span
200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
G655/30/50 65 5 103.4 Fv 3990 997 443 249 159 110 81 62 49 39 32 27 23 20 17
fv 0.11 0.42 0.95 1.7 2.65 3.81 5.22 6.84 8.7 10.61 12.82 15.4 18.18 21.4 24.18
G655/30/100 100.4 Fp 399 199 133 99 79 66 57 49 44 39 36 33 30 28 26
fp 0.08 0.34 0.76 1.35 2.11 3.06 4.21 5.43 6.98 8.54 10.56 12.65 14.75 17.83 19.97
G605/30/50 60 5 95.9 Fv 3400 850 377 212 136 94 69 53 41 34 28 23 20 17
fv 0.11 0.46 1.03 1.84 2.89 4.15 5.66 7.45 9.28 11.78 14.28 16.73 20.16 23.23
G605/30/100 92.9 Fp 340 170 113 85 68 56 48 42 37 34 30 28 28 24
fp 0.09 0.37 0.83 1.48 2.31 3.3 4.52 5.93 7.48 9.49 11.23 13.71 16.31 18.98
G555/30/50 55 5 88.4 Fv 2856 714 317 178 114 79 58 44 35 28 23 19 16
fv 0.13 0.5 1.13 2 3.14 4.53 6.19 8.04 10.3 12.63 15.29 18.03 21.06
G555/30/100 85.4 Fp 285 142 95 71 57 47 40 35 31 28 25 23 21
fp 0.1 0.4 0.9 1.6 2.52 3.6 4.89 6.43 8.16 10.18 12.21 14 17.24
G505/30/50 50 5 80.9 Fv 2361 590 262 147 94 65 48 36 29 23 19 16
fv 0.14 0.55 1.24 2.2 3.45 4.97 6.82 7.78 11.39 13.86 16.88 20.28
G505/30/100 77.9 Fp 236 118 78 59 47 39 33 29 26 23 21 19
fp 0.11 0.44 0.99 1.77 2.77 3.99 5.39 7.11 9.14 11.18 13.7 16.26
G503/30/50 50 5 52.6 Fv 1416 354 157 88 56 39 28 22 17 14 11
fv 0.14 0.55 1.24 2.2 3.43 4.97 6.65 8.95 11.16 14.09 16.37
G503/30/100 49.6 Fp 141 70 47 35 28 23 20 17 15 14 12
fp 0.11 0.44 0.99 1.75 2.75 3.92 5.45 6.94 8.82 11.37 13.14
G455/30/50 45 5 73.4 Fv 1912 478 212 119 76 53 39 29 23 19 15
fv 0.15 0.61 1.38 2.45 3.83 5.56 7.62 9.73 12.44 15.76 18.39
G455/30/100 70.4 Fp 191 95 63 47 38 31 27 23 21 19 17
fp 0.12 0.49 1.09 1.94 3.07 4.35 6.06 7.76 10.16 12.72 15.31
G405/30/50 40 5 65.6 Fv 1511 377 167 94 60 41 30 23 18 15
fv 0.17 0.69 1.54 2.76 4.31 6.14 8.37 11.02 13,92 17.8
G405/30/100 62.9 Fp 151 75 50 37 30 25 21 18 16 15
fp 0.14 0.55 1.23 2.17 3.46 5.01 6.73 8.69 11.1 14.39
G403/30/50 40 3 43.3 Fv 906 226 100 56 36 25 18 14 11
fv 0.17 0.69 1.54 2.74 4.32 6.25 8.39 11.2 14.21
G403/30/100 40.3 Fp 90 45 30 22 18 15 12 11 10
fp 0.14 0.55 1.24 2.16 3.46 5.02 6.44 8.87 11.59
G355/30/50 35 5 58.4 Fv 1156 289 128 72 46 32 23 18 14
fv 0.2 0.79 1.77 3.16 4.94 7.17 9.61 2.92 6.24
G355/30/100 55.4 Fp 115 57 38 28 23 19 16 14 12
fp 0.16 0.62 1.4 2.46 3.97 5.7 7.69 10.14 12.52
G353/30/50 35 3 38.6 Fv 694 173 77 43 27 19 14 10
fv 0.2 0.79 1.77 3.14 4.84 7.11 9.77 12.03
G353/30/100 35.6 Fp 69 48 32 245 19 16 13 12
fp 0.16 0.62 1.4` 2.49 3.75 5.52 7.25 9.71
G325/30/50 32 5 53.9 Fv 967 241 107 60 38 26 19 15
fv 0.22 0.86 1.94 3.44 5.35 7.64 10.42 4.13
G325/30/100 50.9 Fp 96 48 32 24 19 16 13 12
fp 0.17 0.68 1.55 2.76 4.3 6.3 8.21 11.4
G323/30/50 32 3 35.8 Fv 580 145 64 36 23 16 11 9
fv 0.21 0.86 1.93 3.45 5.41 7.86 10.09 14.19
G323/30/100 32.8 Fp 58 29 19 14 11 9 8 7
fp 0.17 0.69 1.53 2.69 4.16 5.93 8.44 11.15
G255/30/50 25 5 43.4 Fv 590 147 65 36 23 16 12
fv 0.28 1.1 2.47 4.35 6.82 9.92 13.9
G255/30/100 40.4 Fp 59 29 19 14 11 9 8
fp 0.22 0.87 1.93 3.39 5.25 7.5 10.71
G253/30/50 25 3 29.3 Fv 354 88 39 22 14 9
fv 0.28 1.1 2.47 4.43 6.94 9.35
G253/30/100 26.3 Fp 35 17 11 8 7 5
fp 0.22 0.85 1.86 3.24 5.58 7
G205/30/50 20 5 36.0 Fv 377 94 41 23 15 10
fv 0.34 1.37 3.05 5.44 8.73 12.21
G205/30/100 33.0 Fp 37 18 12 9 7 6
fp 0.27 1.05 2.39 4.28 6.57 9.85
G203/30/50 20 3 24.6 Fv 226 56 25 14 9
fv 0.34 1.37 3.1 5.53 8.76
G203/30/100 21.6 Fp 22 11 7 5 4
fp 0.27 1.07 2.32 3.98 6.3
型号 Type 扁钢宽度 mm Width of bearing bar 扁钢厚度 mm thickness of bearing bar 理论 重量 Kg/㎡ Nom Weight 跨距（mm）Clear Span
200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
G655/40/50 65 5 81.7 Fv 2992 748 332 187 119 83 61 46 36 29 24 20 17 15
fv 0.11 0.42 0.95 1.7 2.65 3.84 3.93 6.78 8.54 10.54 12.84 15.25 17.97 21.46
G655/40/100 78.7 Fp 299 149 99 74 59 49 42 37 33 29 27 24 23 21
fp 0.08 0.34 0.76 1.35 2.1 3.03 4.14 5.47 6.99 8.49 10.58 12.32 15.1 17.39
G605/40/50 60 5 75.9 Fv 2550 637 283 159 102 70 52 39 31 25 21 17 15
fv 0.11 0.46 1.03 1.84 2.89 4.12 4.27 7.32 9.36 11.57 14.3 16.54 20.2
G605/40/100 72.9 Fp 255 127 85 63 51 42 36 31 28 25 23 21 19
fp 0.09 0.37 0.83 1.46 2.31 3.31 4.52 5.84 7.56 9.32 11.5 13.74 15.97
G555/40/50 55 5 70.1 Fv 2142 535 238 133 85 59 43 33 26 21 17 14
fv 0.13 0.5 1.13 2 3.13 4.51 4.59 8.05 10.22 12.66 15.1 17.77
G555/40/100 67.1 Fp 214 107 71 53 42 35 30 26 23 21 19 17
fp 0.1 0.4 0.9 1.59 2.48 3.58 4.9 6.38 8.09 10.2 12.39 14.54
G505/40/50 50 5 64.2 Fv 1770 442 196 110 70 49 36 27 21 17 14
fv 0.14 0.55 1.24 2.2 3.43 5 5.12 8.79 11.02 13.69 16.64
G505/40/100 61.2 Fp 177 88 59 44 35 29 25 22 19 17 16
fp 0.11 0.44 0.99 1.76 3.75 3.96 5.45 7.2 8.93 11.05 13.95
G503/40/50 50 5 42.6 Fv 1062 265 118 66 42 29 21 16 13 10
fv 0.14 0.55 1.24 2.2 3.43 4.94 4.99 8.71 11.4 13.49
G503/40/100 39.6 Fp 106 53 35 26 21 17 15 13 11 10
fp 0.11 0.44 0.98 1.74 2.75 3.87 5.46 7.11 8.66 10.9
G455/40/50 45 5 58.4 Fv 1434 358 159 89 57 39 29 22 17 14 11
fv 0.15 0.61 1.38 2.44 3.83 5.46 5.67 9.85 12.28 15.53 18.05
G455/40/100 55.4 Fp 143 71 47 35 28 23 20 17 15 14 13
fp 0.12 0.49 1.09 1.92 3.02 4.31 5.99 7.67 9.72 12.54 15.64
G405/40/50 40 5 52.6 Fv 1133 283 125 70 45 31 23 17 13 11
fv 0.17 0.69 1.54 2.74 4.32 6.2 6.42 10.88 13.45 17.47
G405/40/100 49.6 Fp 113 56 37 28 22 18 16 14 12 11
fp 0.14 0.54 1.22 2.19 3.39 4.82 6.85 9.02 11.13 14.13
G403/40/50 40 3 35.3 Fv 680 170 75 42 27 18 13 10 8
fv 0.17 0.69 1.54 2.74 4.32 6.01 6.08 10.71 13.84
G403/40/100 32.3 Fp 68 34 22 17 13 11 9 8 7
fp 0.14 0.55 1.21 2.22 3.34 4.92 6.45 8.64 10.9
G355/40/50 35 5 46.8 Fv 867 216 96 54 34 24 17 13 10
fv 0.2 0.78 1.77 3.16 4.88 7.18 7.12 12.48 15.54
G355/40/100 43.8 Fp 86 43 28 21 17 14 12 10 9
fp 0.16 0.62 1.38 2.46 3.91 5.61 7.71 9.7 12.57
G353/40/50 35 3 31.6 Fv 520 130 57 32 20 14 10 8
fv 0.2 0.79 1.75 3.12 4.79 7 7.01 12.85
G353/40/100 28.6 Fp 52 26 17 13 10 8 7 6
fp 0.16 0.63 1.4 2.54 3.85 5.37 7.53 9.75
G325/40/50 32 5 43.3 Fv 725 181 80 45 29 20 14 11
fv 0.21 0.86 1.93 3.45 5.45 7.84 7.7 13.86
G325/40/100 40.3 Fp 72 36 24 18 14 12 10 9
fp 0.17 0.68 1.55 2.76 4.23 6.31 8.43 11.44
G323/40/50 32 3 29.4 Fv 435 108 48 27 17 12 8
fv 0.21 0.86 1.93 3.45 5.34 7.86 7.37
G323/40/100 26.4 Fp 43 21 14 10 8 7 6
fp 0.17 0.67 1.5 2.56 4.04 6.16 8.47
G255/40/50 25 5 35.1 Fv 442 110 49 27 17 12 9
fv 0.27 1.1 2.48 4.35 6.54 9.94 10.46
G255/40/100 32.1 Fp 44 22 14 11 8 7 6
fp 0.22 0.88 1.9 3.55 5.1 7.79 10.74
G253/40/50 25 3 24.3 Fv 265 66 29 16 10 7
fv 0.27 1.1 2.45 4.3 6.63 9.71
G253/40/100 21.3 Fp 26 13 8 6 5 4
fp 0.22 0.87 1.81 3.24 5.33 7.48
G205/40/50 20 5 29.3 Fv 283 70 31 17 11 7
fv 0.34 1.36 3.08 5.37 8.56 11.46
G205/40/100 26.3 Fp 28 14 9 7 5 4
fp 0.27 1.09 2.39 4.44 6.29 8.84
G203/40/50 20 3 20.6 Fv 170 42 18 10 6
fv 0.34 1.37 2.98 5.28 7.84
G203/40/100 17.6 Fp 17 8 5 4 3
fp 0.28 1.04 2.22 4.25 6.32

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