I-Beams, also known as standard beams, are commonly made of structural steel but can be formed out of aluminum.  I-Beams are most widely used in construction and can have an application for use in both beams as well as columns.  Triad Metals offers many different sizes, lengths and specifications for I-Beams.

Specifications

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.

Miscellaneous "I" Beam Sizes

M6

Miscellaneous Beams
Standard Lengths 20′ and 40′

Section NumberWeight Per/Foot Depth of Section Flange Width Flange Thickness Web ThicknessMetric Size
lb.in.in.in.in.m.
M64.461.8440.1710.114

M8

Miscellaneous Beams
Standard Lengths 20′ and 40′

Section NumberWeight Per/Foot Depth of Section Flange Width Flange Thickness Web ThicknessMetric Size
lb.in.in.in.in.m.
M86.582.2810.1890.135

M10

Miscellaneous Beams
Standard Lengths 20′ and 40′

Section NumberWeight Per/Foot Depth of Section Flange Width Flange Thickness Web ThicknessMetric Size
lb.in.in.in.in.m.
M1089.952.690.1820.141
9102.690.0210.157

M12

Miscellaneous Beams
Standard Lengths 20′ and 40′

Section NumberWeight Per/Foot Depth of Section Flange Width Flange Thickness Web ThicknessMetric Size
lb.in.in.in.in.m.
M121011.973.250.180.149
10.811.973.0650.210.16
11.8123.0650.2250.177

M12.5

Miscellaneous Beams
Standard Lengths 20′ and 40′

Section NumberWeight Per/Foot Depth of Section Flange Width Flange Thickness Web ThicknessMetric Size
lb.in.in.in.in.m.
M12.511.612.53.50.2110.155
12.412.533.750.2280.155

Standard "I" Beam Sizes

S3

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S35.73"2.33"0.26"0.17"S 75 x 8
7.53"2.509"0.026"0.349"S 75 x 11

S4

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S43.24"2.25"0.129"0.0920"S 100 x 4.8
7.74"2.66"0.293"0.193"S 100 x 11
9.54"2.796"0.293"0.326"S 100 x 14.1

S5

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S5105"3"0.326"0.214"S 130 x 15
14.755"3.284"0.326"0.494"S 130 x 22

S6

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S612.56"3.332"0.359"0.232"S 150 x 19
17.256"3.565"0.359"0.465"S 150 x 26

S7

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S715.37"3.662"0.392"0.252"S 180 x 22.8
207"3.86"0.392"0.45"S 180 x 30
9620.3"7.2"0.92"0.8"S 510 x 143

S8

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S818.48"4.001"0.425"0.271"S 200 x 27
238"4.171"0.425"0.441"S 200 x 34
S1025.410"4.661"0.491"0.311"S 250 x 38
3510"4.944"0.491"0.594"S 250 x 52
S1231.812"5"0.544"0.35"S 310 x 47
3512"5.078"0.544"0.428"S 310 x 52
40.812"5.252"0.659"0.462"S 310 x 60.7
5012"5.477"0.659"0.687"S 310 x 74
S1542.915"5.501"0.622"0.411"S 380 x 64
5015"5.64"0.622"0.55"S 380 x 74
S1854.718"6.001"0.691"0.461"S 460 x 81.4
7018"6.251"0.691"0.711"S 460 x 104
S206620"6.255"0.795"0.505"S 510 x 98.2
7520"6.385"0.795"0.635"S 510 x 112
8620.3"7.06"0.92"0.66"S 510 x 128
9620.3"7.2"0.92"0.8"S 510 x 143
S248024"7"0.87"0.5"S 610 x 119
9024"7.125"0.87"0.625"S 610 x 134
10024"7.245"0.87"0.745"S 610 x 149
10624.5"7.87"1.09"0.62"S 610 x 158
12124.5"8.05"1.09"0.8"S 610 x 180

S10

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S1025.410"4.661"0.491"0.311"S 250 x 38
3510"4.944"0.491"0.594"S 250 x 52

S12

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S1231.812"5"0.544"0.35"S 310 x 47
3512"5.078"0.544"0.428"S 310 x 52
40.812"5.252"0.659"0.462"S 310 x 60.7
5012"5.477"0.659"0.687"S 310 x 74

S15

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S1542.915"5.501"0.622"0.411"S 380 x 64
5015"5.64"0.622"0.55"S 380 x 74

S18

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S1854.718"6.001"0.691"0.461"S 460 x 81.4
7018"6.251"0.691"0.711"S 460 x 104

S20

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S206620"6.255"0.795"0.505"S 510 x 98.2
7520"6.385"0.795"0.635"S 510 x 112
8620.3"7.06"0.92"0.66"S 510 x 128
9620.3"7.2"0.92"0.8"S 510 x 143

S24

Standard “I” Beams
Standard Lengths 20′-60′

Section NumberWeight per/footDepth of SectionFlange WidthFlange ThicknessWeb Thickness Metric Sizes
lb.AB(C)(D)
S248024"7"0.87"0.5"S 610 x 119
9024"7.125"0.87"0.625"S 610 x 134
10024"7.245"0.87"0.745"S 610 x 149
10624.5"7.87"1.09"0.62"S 610 x 158
12124.5"8.05"1.09"0.8"S 610 x 180

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