180x100x4.5mm  Steel rectangular hollow section S235JRH, S275J0H, S355J2H

180×100×4.5 mm S235JRH Steel Rectangular Hollow Section

180x100x4.5mm Steel rectangular hollow section in S235JRH, S275J0H, S355J2H to EN 10219, with an uncoated steel surface suitable for further processing or painting. Nominal weight 18.737 kg/m.

Minimum order

Minimum 10 t per size. If the size is already in the current production cycle, we can accept orders from 5 t. Standard length 6 m; 4–12 m on request. We confirm the minimum, lead time and grade in your quote.

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Minimum order: 45 pieces

Minimum order: 10 t per size (from 5 t if the size is in production)

Weight per meter:18.737 kg/m
Total length:6 meters
Total weight:112.422 kg

Applications & Usage

This heavy-duty structural Steel rectangular hollow section is commonly specified for framework, support structures, machinery bases, and industrial equipment. The 4.5mm wall thickness provides superior load-bearing capacity while maintaining workability. The natural mill finish provides a cost-effective solution for applications where aesthetics are secondary. Available in standard lengths of 6m, this profile can be easily cut, drilled, and welded to suit your specific requirements.

Technical Specifications

SpecificationValue
Dimensions180mm × 100mm × 4.5mm
Weight per Meter18.737 kg/m
MaterialSteel
Alloy/GradeS235JRH, S275J0H, S355J2H
StandardEN 10219
Standard Length6m
Minimum Order per Size10 t
Cut-to-Length Range4000 – 12000 mm

Section Properties

Nominal values calculated from nominal dimensions to EN 10219-2.

PropertyValue
Cross-sectional area(A)23.9 cm²
Second moment of area(Ix)1027 cm⁴
Second moment of area(Iy)414 cm⁴
Radius of gyration(ix)6.56 cm
Radius of gyration(iy)4.16 cm
Elastic section modulus(Wel,x)114 cm³
Elastic section modulus(Wel,y)82.7 cm³
Plastic section modulus(Wpl,x)140 cm³
Plastic section modulus(Wpl,y)93.4 cm³
Torsional inertia constant(It)950 cm⁴
Torsional modulus constant(Ct)141 cm³
Surface area per metre(As)0.545 m²/m
Length per tonne53.4 m