CISC Channels & Section Properties

Browse CISC Channels from Structural Section Tables SST12.1. Compare metric-native dimensions and section properties, open a designation for full details, or load a section into Optimal Beam.

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Showing CISC · Channels · Metric

CISC Structural Section Tables SST12.1 · 1,514 sections

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Showing the most relevant 75 sections.

CISC C-shape dimensions and section properties in metric units
Designation Weight (kg/m) Depth, d (mm) Flange width, bf (mm) Area (mm²) Ix (mm⁴) Sx (mm³)
C380×50 50 381 86 6430 131000000 687000
C380×60 60 381 89 7570 145000000 760000
C380×74 74 381 94 9480 168000000 881000
C310×31 31 305 74 3920 53500000 351000
C310×37 37 305 77 4720 59900000 393000
C310×45 45 305 80 5690 67300000 442000
C250×23 23 254 65 2880 27800000 219000
C250×30 30 254 69 3780 32700000 257000
C250×37 37 254 73 4750 37900000 299000
C250×45 45 254 76 5670 42800000 337000
C230×20 20 229 61 2530 19800000 173000
C230×22 22 229 63 2840 21300000 186000
C230×30 30 229 67 3800 25500000 222000
C200×17 17 203 57 2170 13500000 133000
C200×21 21 203 59 2600 14900000 147000
C200×28 28 203 64 3560 18200000 180000
C180×15 15 178 53 1850 8860000 99600
C180×18 18 178 55 2310 10000000 113000
C180×22 22 178 58 2780 11300000 127000
C150×12 12 152 48 1530 5360000 70500
C150×16 16 152 51 1980 6210000 81800
C150×19 19 152 54 2450 7110000 93600
C130×10 10 127 44 1260 3090000 48600
C130×13 13 127 47 1690 3660000 57600
C100×7 7 102 39 877 1500000 29300
C100×8 8 102 40 1020 1610000 31600
C100×9 9 102 42 1190 1770000 34600
C100×11 11 102 43 1370 1910000 37400
C75×5 5 76 35 707 651000 17100
C75×6 6 76 35 763 670000 17600
C75×7 7 76 37 934 749000 19700
C75×9 9 76 40 1120 847000 22300

Family overview

What are CISC Channels?

Browse CISC Channels from Structural Section Tables SST12.1. Compare metric-native dimensions and section properties, open a designation for full details, or load a section into Optimal Beam.

Designations

Understanding Channels designations

CISC channel designations use nominal metric depth and mass, such as C310×31.

Nominal depth series

Browse by series

Use these series labels to filter the finder table above.

C75 C100 C130 C150 C180 C200 C230 C250 C310 C380

Properties

Channels properties explained

These properties are especially relevant when comparing Channels. View the complete property glossary.

Symbol Property Units Why it matters
Weight Weight lb/ft, kg/m Mass per unit length; used for self-weight and economy comparisons
d Overall depth in, mm Overall depth and clearance
bf Flange width in, mm Overall flange width and lateral behaviour
tw Web thickness in, mm Web thickness and shear-related behaviour
tf Flange thickness in, mm Flange thickness and flexural/local behaviour
A Cross-sectional area in², mm² Total steel cross-sectional area
Ix Moment of inertia (x) in⁴, mm⁴ Major-axis flexural stiffness
Iy Moment of inertia (y) in⁴, mm⁴ Minor-axis flexural stiffness
Sx Elastic section modulus (x) in³, mm³ Elastic bending property about the x-axis
Sy Elastic section modulus (y) in³, mm³ Elastic bending property about the y-axis
Zx Plastic section modulus (x) in³, mm³ Plastic bending property about the x-axis
Zy Plastic section modulus (y) in³, mm³ Plastic bending property about the y-axis
rx Radius of gyration (x) in, mm Strong-axis radius of gyration
ry Radius of gyration (y) in, mm Weak-axis radius of gyration and lateral stability relevance
J Torsional constant in⁴, mm⁴ Torsional constant
Cw Warping constant in⁶, mm⁶ Warping constant for lateral-torsional behaviour

Library summary

Computed Channels summary

The current CISC Channels library contains 32 sections across 10 nominal-depth series. Published weights range from 3.50 to 50.00 lb/ft , and actual depths range from 2.99 to 15.00 inches .

Lightest section
C75x5
Heaviest section
C380x74
Ix range
1.56 – 403.62 in⁴
Sx range
1.04 – 53.76 in³

Related families

Related CISC families

W-Shapes M-Shapes S-Shapes HP-Shapes MC Channels Angles All CISC families

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Source: CISC Structural Section Tables SST12.1 v12.1 · Verified July 2026 · View methodology