CHS 127x4.5 SAISC · Weight & Dimensions
SAISC, cold-formed sections · 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.
Also known as: Caño estructural redondo (Argentina)
The CHS 127x4.5 steel profile weighs 13.6 kg/m (9.14 lb/ft). Cross-sectional area: 1,731.803 mm². Moment of inertia Ix = 325.287 cm⁴, Iy = 325.287 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 4.5 mm ≈ 7 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 4.5 mm | 0.18 in |
| Diameter (d) | 127 mm | 5.00 in |
| Weight | 13.6 kg/m | 9.14 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,731.8 mm² | 2.684 in² |
| Moment of inertia (Ix) | 325.29 cm⁴ | 7.82 in⁴ |
| Moment of inertia (Iy) | 325.29 cm⁴ | 7.82 in⁴ |
| Elastic section modulus (Sx) | 51.23 cm³ | 3.126 in³ |
| Elastic section modulus (Sy) | 51.23 cm³ | 3.126 in³ |
| Plastic section modulus (Zx) | 67.56 cm³ | 4.123 in³ |
| Plastic section modulus (Zy) | 67.56 cm³ | 4.123 in³ |
| Radius of gyration (rx) | 4.33 cm | 1.706 in |
| Radius of gyration (ry) | 4.33 cm | 1.706 in |
Beam Calculator— CHS 127x4.5
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 127x4.5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
25.94 mm
L/231
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
