ASTM A572 GR.50 WIDE FLANGE BEAM 1
ASTM A572 GR.50 WIDE FLANGE BEAM 1

ASTM A572 GR.50 WIDE FLANGE BEAM

ASTM A572 GR.50 WIDE FLANGE BEAM,

High Strength Low Alloy Structural Steel Wide Flange Beams

ASTM A572 GR.50 WIDE FLANGE BEAM 2

1.Standard and Grades: ASTM A572
 The standard for Dimensions, Mass, and Tolerances: ASTM A6/A6M
2.Surface Treatments: Black, Galvanized, Painted, Blasted and Painted, etc
3.Further Processing: Shortcutting, Hole making, Bending, etc.

4.Usages: Suit for various steel construction and structure building fields

5.Sizes of Wide flange Beam:

   (kg/m) (inch)
H B t1 t2 r
W6X20 29.75 6.20 6.020 0.260 0.365 0.25
W6X25 37.21 6.38 6.080 0.320 0.455 0.25
W8X31 46.24 8.00 7.995 0.285 0.435 0.40
W8X35 52.20 8.12 8.020 0.310 0.495 0.40
W8X40 59.27 8.25 8.070 0.360 0.560 0.40
W8X48 71.44 8.50 8.110 0.400 0.685 0.40
W8×58 86.35 8.75 8.220 0.510 0.810 0.40
W10X49 72.93 9.98 10.000 0.340 0.560 0.50
W10X54 80.07 10.09 10.030 0.370 0.615 0.50
W10X60 89.49 10.22 10.080 0.420 0.680 0.50
W10X68 101.26 10.40 10.130 0.470 0.770 0.50
W10X77 114.61 10.60 10.190 0.530 0.870 0.50
W10X88 131.10 10.84 10.265 0.605 0.990 0.50
W10X100 149.15 11.10 10.340 0.680 1.120 0.50
W12X26 38.74 12.22 6.490 0.230 0.380 0.35
W12X30 44.51 12.34 6.520 0.260 0.440 0.35
W12X35 52.00 12.50 6.560 0.300 0.520 0.35
W12X65 96.56 12.12 12.000 0.390 0.605 0.60
W12X72 106.76 12.25 12.040 0.430 0.670 0.60
W12X79 117.75 12.38 12.080 0.470 0.735 0.60
W12X87 129.52 12.53 12.125 0.515 0.810 0.60
W12X96 142.87 12.71 12.160 0.550 0.900 0.60
W12X106 157.78 12.89 12.220 0.610 0.990 0.60
W12X120 178.98 13.12 12.320 0.710 1.105 0.60
W12X136 201.74 13.41 12.400 0.790 1.250 0.60
W14X30 44.60 13.84 6.730 0.270 0.385 0.40
W14X34 50.63 13.98 6.745 0.285 0.455 0.40
W14X38 56.76 14.10 6.770 0.310 0.515 0.40
W14X90 134.24 14.02 14.520 0.440 0.710 0.60
W14X109 161.71 14.32 14.605 0.525 0.860 0.60
W14X120 178.98 14.48 14.670 0.590 0.940 0.60
W14X132 196.25 14.66 14.725 0.645 1.030 0.60
W14X159 236.62 14.98 15.565 0.745 1.190 0.60
W14X176 262.19 15.22 15.650 0.830 1.310 0.60
W14X193 287.22 15.48 15.710 0.890 1.440 0.60
W14X211 314.01 15.72 15.800 0.980 1.560 0.60
W14X233 346.75 14.04 15.890 1.070 1.720 0.60
W14X257 383.08 16.38 15.995 1.175 1.890 0.60
W16X36 53.69 15.86 6.985 0.295 0.430 0.40
W16X40 59.74 16.01 6.995 0.305 0.505 0.40
W16X45 67.35 16.13 7.035 0.345 0.565 0.40
W16X50 74.42 16.26 7.070 0.380 0.630 0.40
W16X57 84.78 16.43 7.120 0.430 0.715 0.40
W18X40 59.74 17.90 6.015 0.315 0.525 0.40
W18X46 68.37 18.06 6.060 0.360 0.605 0.40
W18X50 74.42 17.99 7.495 0.355 0.570 0.40
W18X55 82.43 18.11 7.530 0.390 0.630 0.40
W18X60 89.49 18.24 7.555 0.415 0.695 0.40
W18X65 96.56 18.35 7.590 0.450 0.750 0.40
W18X71 105.78 18.47 7.635 0.495 0.810 0.40
W21X44 65.86 20.66 6.500 0.350 0.450 0.50
W21X50 74.42 20.83 6.530 0.380 0.535 0.50
W21X55 82.43 20.80 8.220 0.375 0.522 0.50
W21X57 84.78 21.06 6.555 0.405 0.650 0.50
W21X62 92.63 20.99 8.240 0.400 0.615 0.50
W21X68 101.27 21.13 8.270 0.430 0.685 0.50
W21X73 109.12 21.24 8.295 0.455 0.740 0.50
W21X83 123.25 21.43 8.355 0.515 0.835 0.50
W24X68 102.05 23.73 8.965 0.415 0.585 0.50
W24X76 113.82 23.92 8.990 0.440 0.680 0.50
W24X84 124.82 24.10 9.020 0.470 0.770 0.50
W24X94 140.52 24.31 9.065 0.515 0.875 0.50
W24X104 154.65 24.06 12.750 0.500 0.750 0.65
W24X117 174.27 24.26 12.800 0.550 0.850 0.65
W24X131 194.68 24.48 12.855 0.605 0.960 0.65
W24X146 217.45 24.74 12.900 0.650 1.090 0.65
W24X162 241.78 25.00 12.955 0.705 1.220 0.65
W24X176 261.41 25.24 12.890 0.750 1.340 0.65
W24X192 285.73 25.47 12.950 0.810 1.460 0.65
W24X207 306.94 25.71 13.010 0.870 1.570 0.65
W24X229 340.69 26.02 13.110 0.960 1.730 0.65
W27X84 125.60 26.71 9.960 0.460 0.640 0.60
W27X94 140.52 26.92 9.990 0.490 0.745 0.60
W27X102 152.29 27.09 10.015 0.515 0.830 0.60
W27X114 169.56 27.29 10.070 0.570 0.930 0.60
W27X129 191.54 27.63 10.010 0.610 1.100 0.60
W27X146 217.45 27.38 13.965 0.605 0.975 0.60
W27X161 240.21 27.59 14.020 0.660 1.080 0.60
W27X178 264.55 27.81 14.085 0.725 1.190 0.60
W27X194 288.89 28.11 14.035 0.750 1.340 0.60
W33X118 175.80 32.86 11.480 0.550 0.740 0.70
W33X130 193.90 33.09 11.510 0.580 0.855 0.70
W33X141 210.38 33.30 11.535 0.605 0.960 0.70
W33X152 226.08 33.49 11.565 0.635 1.055 0.70
W33X169 250.42 33.82 11.500 0.670 1.220 0.70
W33X187 278.68 34.06 11.580 0.752 1.340 0.70
W33X204 303.01 34.30 11.642 0.811 1.460 0.70

6.Chemical Composition and Mechanical Properties

  C Si Mn P S Y.S(MPA) T.S(MPA) EL(%)
  %,MAX      
A572 Gr.50 0.23 0.4 1.35 0.04 0.05 ≥345 ≥450 ≥18

These beams have flanges in which the planes are nearly parallel. WIDE FLANGE BEAM

In the United States, the most commonly mentioned I-beam is the wide-flange (W) shape.

Other I-beams include American Standard (designated S) shapes, in which flange surfaces are not parallel。

Wide-flange shapes are available in grade ASTM A992,[4] which has generally replaced the older ASTM grades A572 and A36.

Ranges of yield strength:

  • A36: 36,000 psi (250 MPa)
  • A572: 42,000–60,000 psi (290–410 MPa), with 50,000 psi (340 MPa) the most common
  • A588: Similar to A572
  • A992: 50,000–65,000 psi (340–450 MPa)
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