Specifications

Structural steel channel can be used for many different applications.  Some examples can be seen in the manufacturing of buildings, tractor trailers, and frame chassis for vehicles.  Triad Metals offers many different sizes, lengths and specifications for Structural Steel Channel.

ASTM A36 – Standard specification for carbon structural steel.  This specification covers shapes of structural quality for use in riveted, bolted, or welded construction of bridges and buildings, and for general structural purposes.

ASTM A572 – Standard specification for high-strength low-alloy structural steel.  This specification covers five grades of high-strength low-alloy shapes intended for riveted, bolted, or welded construction of bridges, or for other construction applications.

ASTM A588 – Standard specification for high-strength low-alloy structural steel.  This specification covers shapes for welded, riveted, or bolted construction but intended primarily for use in welded bridges and buildings where savings in weight or added durability is important. The atmospheric corrosion resistance of this steel in most environments is substantially better than that of carbon steels with or without copper addition.

ASTM A709 – Standard specification for carbon and high-strength low-alloy shapes.  This specification covers shapes, and bars intended for use in bridges.  Seven grades are available in four yield strengths.

ASTM A992 – Standard specification for steel for structural shapes for use in building framing.  This specification covers rolled shapes for use in building framing or bridges, or for general structural purposes.

Channel Sizes

Standard Channel

Standard Channel

  
A
B
C
  
Section NumberWeight Per Ft.Depth of SectionWeb ThicknessFlange width Flange ThicknessMetric Size
PoundInchInchInchInch
33.530.1251.3760.273
4.130.171.410.273C 75 X 8
530.2581.4980.273C 75 X 7
630.3561.5960.273C 75 X 9
44.540.1631.5850.149
5.440.1841.580.296C 100 X 8
7.2540.3211.7210.296C 100 X11
56.750.191.750.32C 130 X 10
950.3251.8850.32C 130 X 13
68.260.21.920.343C 150 X 12
10.560.3142.0340.343C 150 X 16
1360.4372.1570.343C 150 X 19
79.870.212.090.366C 180 X 15
12.2570.3032.1940.366C 180 X 18
14.7570.4872.2990.366C 180 X 22
811.580.222.260.39C 200 X 17
13.7580.3032.3430.39C 200 X 21
18.7580.4872.5270.39C 200 X 28
913.490.2332.4330.413C 230 X 20
1590.2852.4850.413C 230 X 22
2090.4482.6480.413C 230 X 30
1015.3100.242.60.436C 250 X 23
20100.3792.7390.436C 250 X 30
25100.5232.8860.436C 250 X 37
30100.6733.0330.436C 250 X 45
1220.7120.2822.9420.501C 310 X 31
25120.3873.0470.501C 310 X 37
30120.513.170.501C 310 X 45
1533.9150.43.40.65C 380 X 50
40150.523.520.65C 380 X 60
50150.7163.7160.65C 380 X 74

MC Channel

MC Channel

  ABCD 
Section NumberWeight Per Ft.Depth of SectionWeb Thickness
Flange WidthFlange Thickness
Metric Size
37.12.930.3121.940.351
413.840.52.50.5
61260.312.4970.375MC 150 x 17.9
15.160.3162.9410.475MC 150 x 22.5
15.360.37530.475
16.360.3793.5040.475MC 150 x 24.3
1860.3793.5040.475MC 150 x 26.8
719.170.3523.4520.5MC 180 x 28.4
22.770.5033.6030.5MC 180 x 33.8
88.580.1791.8740.311MC 200 x 12.6
18.780.3532.9780.5MC 200 x 27.8
2080.43.0250.5MC 200 x 29.8
21.480.3753.450.525MC 200 x 31.8
22.880.4273.5020.525MC 200 x 33.9
923.990.43.450.55MC 230 x 35.6
25.490.453.50.55MC 230 x 37.8
106.5100.1521.170.202MC 250 x 9.7
8.4100.171.50.28MC 250 x 12.5
22100.293.3150.575MC 250 x 33
25100.383.4050.575MC 250 x 37
28.5100.4253.950.575MC 250 x 42.4
33.6100.5754.10.575MC 250 x 50
41.1100.7964.3210.575MC 250 x 61.2
1210.6120.191.50.309MC 310 x 15.8
31120.373.670.7MC 310 x 46
35120.4653.7670.7MC 310 x 52
40120.593.890.7MC 310 x 60
45120.7124.0120.7MC 310 x 67
50120.8354.1350.7MC 310 x 74
1331.8130.37540.61MC 330 x 47.3
35130.4474.0720.61MC 330 x 52
40130.564.1850.61MC 330 x 60
50130.7874.4120.61MC 330 x 74
1842.7180.453.950.625MC 460 x 63.5
45.8180.540.625MC 460 x 68.2
51.9180.64.1250.625MC 460 x 77.2
58180.74.20.625MC 460 x 86

Bar Channels

Bar Channel

 

Depth of SectionFlange WidthWeb ThicknessEstimated lbs. Per Ft.lbs. Per 20′ LengthMetric SizeKg/m
ABC
1/21/41/40.285.6
3/45/161/80.510
3/43/81/80.5611.2
7/83/81/80.6513
7/87/161/80.6913.8
13/81/80.6813.6
11/21/80.8416.8C 25 X 13 X 3.21.19
1-1/89/161/81.1623.2
1-1/41/21/81.0120.2C32 X 13 X 3.21.49
1-1/21/21/81.1222.4C 38 X 13 X 3.21.68
1-1/23/41/81.1723.4
21/21/81.4328.6
211/81.7835.6
1-1/29/163/161.4428.8C 38 X 14 X 4.82.14
1-3/41/23/161.5531
29/163/161.8637.2
213/162.3246.4C 51 X 25 X 4.83.82
2-1/25/83/162.2745.4
25/81/42.2845.6

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