CHS 127x4.25 Gerdau · Weight & Dimensions
Gerdau, tubes · 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 127x4.25 steel profile weighs 12.9 kg/m (8.65 lb/ft). Cross-sectional area: 1,638.93 mm². Moment of inertia Ix = 309.053 cm⁴, Iy = 309.053 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 4.25 mm ≈ 8 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 4.3 mm | 0.17 in |
| Diameter (d) | 127 mm | 5.00 in |
| Weight | 12.9 kg/m | 8.65 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,638.93 mm² | 2.540 in² |
| Moment of inertia (Ix) | 309.05 cm⁴ | 7.43 in⁴ |
| Moment of inertia (Iy) | 309.05 cm⁴ | 7.43 in⁴ |
| Elastic section modulus (Sx) | 48.67 cm³ | 2.970 in³ |
| Elastic section modulus (Sy) | 48.67 cm³ | 2.970 in³ |
| Plastic section modulus (Zx) | 64.06 cm³ | 3.909 in³ |
| Plastic section modulus (Zy) | 64.06 cm³ | 3.909 in³ |
| Radius of gyration (rx) | 4.34 cm | 1.710 in |
| Radius of gyration (ry) | 4.34 cm | 1.710 in |
Beam Calculator— CHS 127x4.25
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 127x4.25
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
27.30 mm
L/220
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
