Steel Section Catalog
CHS 25x1.0
EN — Circular Hollow Section
Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.
The CHS 25x1.0 steel profile weighs 0.6 kg/m (0.40 lb/ft). Cross-sectional area: 75.4 mm². Moment of inertia Ix = 0.54 cm⁴, Iy = 0.54 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 1 mm ≈ 18 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 1 mm | 0.04 in |
| Diameter (d) | 25 mm | 0.98 in |
| Weight | 0.6 kg/m | 0.40 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 75.4 mm² | 0.117 in² |
| Moment of inertia (Ix) | 0.54 cm⁴ | 0.01 in⁴ |
| Moment of inertia (Iy) | 0.54 cm⁴ | 0.01 in⁴ |
| Elastic section modulus (Sx) | 0.44 cm³ | 0.027 in³ |
| Elastic section modulus (Sy) | 0.44 cm³ | 0.027 in³ |
| Plastic section modulus (Zx) | 0.58 cm³ | 0.035 in³ |
| Plastic section modulus (Zy) | 0.58 cm³ | 0.035 in³ |
| Radius of gyration (rx) | 0.85 cm | 0.335 in |
| Radius of gyration (ry) | 0.85 cm | 0.335 in |
Beam Calculator— CHS 25x1.0
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mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 25x1.0
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
15625.00 mm
L/0
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
