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Heavy Duty Steel Bar Grating

  • Steel Bar Grating with bearing bars thicker than 3/16" is considered to be "Heavy Duty" and carries the designation prefix "Type HD". Available bar thicknesses are 1/4" (6.4mm) , 5/16" (7.9mm) and 3/8" (9.5mm) in either plain or serrated surface. Standard depths range from 1" (25mm) up to 4" (102mm), although larger sizes are available upon request.

    Tru-Weld Heavy Duty Steel Bar Grating is commonly used for floor trenches and sump covers exposed to heavy equipment traffic. It is used extensively through out mining, power generation, highways, airfields, and on truck terminal loading docks and ramps. It is suitable for large single span conditions or where grating must be support extreme loads.

*All weights will increase by 5% when galvanized.

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U= Safe Uniform Load, in lbs per sq ft or kPa
C= Safe Concentrated Load in lbs per foot of grating width or kN per metre of grating width

  • metric
  • imperial
  • Heavy Duty Steel Grating

    Heavy Duty - Type 30H-102 Heavy Duty Bearing Bars - 30mm centers Panel Sizes: - 914mm - nominal width by 6096mm for 6.4mm only - 610mm nominal width by 6096mm for 7.9mm and 9.5mm

    View Table of Safe Loads

    Heavy Duty - Type 35H-102 Heavy Duty Bearing Bars at 35mm centers

    View Table of Safe Loads
  • Table of Safe Loads - metric

    Bearing Bar Size mmWeight kg./m2Sec. Mod. per 305mm of widthSpan: LoadSpan: 305
    30H-10230H-51
    25 x 6.447.451.36900
    • U
    • C
    • 269
    • 41
    25 x 7.960.565.98816
    • U
    • C
    • 344
    • 52
    25 x 9.568.472.710350
    • U
    • C
    • 403
    • 61
    32 x 6.458.162.010780
    • U
    • C
    • 420
    • 64
    32 x 7.974.780.113798
    • U
    • C
    • 537
    • 81
    32 x 9.58488.916170
    • U
    • C
    • 630
    • 95
    38 x 6.468.472.715520
    • U
    • C
    • 604
    • 92
    38 x 7.988.493.719861
    • U
    • C
    • 774
    • 117
    38 x 9.5100.1105.023300
    • U
    • C
    • 907
    • 137
    44 x 6.479.183.521100
    • U
    • C
    • 823
    • 125
    44 x 7.9102.5107.927055
    • U
    • C
    • 1053
    • 160
    44 x 9.5115.7121.131700
    • U
    • C
    • 1234
    • 187
    51 x 6.489.394.727600
    • U
    • C
    • 1075
    • 163
    51 x 7.9116.2121.635331
    • U
    • C
    • 1376
    • 208
    51 x 9.5131.3137.241400
    • U
    • C
    • 1612
    • 244
    64 x 6.4110.3116.234900
    • U
    • C
    • 1680
    • 254
    64 x 7.9144.0149.455208
    • U
    • C
    • 2150
    • 326
    64 x 9.5162.6169.464700
    • U
    • C
    • 2519
    • 382
    76 x 6.4131.3137.762100
    • U
    • C
    • 2418
    • 366
    76 x 7.9171.9177.279510
    • U
    • C
    • 3096
    • 469
    76 x 9.5194.3201.293100
    • U
    • C
    • 3628
    • 550
    89 x 6.4152.3159.284500
    • U
    • C
    • 3292
    • 499
    89 x 7.9199.2204.6108220
    • U
    • C
    • 4214
    • 638
    89 x 9.5225.6233.4126800
    • U
    • C
    • 4938
    • 748
    102 x 6.4173.3193.8110400
    • U
    • C
    • 4300
    • 651
    102 x 7.9227.0232.4141339
    • U
    • C
    • 5568
    • 843
    102 x 9.5273.9279.3165600
    • U
    • C
    • 6450
    • 977