127x51x3.5RHS Dimensions & Weight
127x51x3.5RHS is a rectangular hollow section to AS/NZS 1163, 127 x 51 mm outside with a 3.5 mm wall, weighing 9.07 kg per metre (6.09 lb/ft) — commonly specified for columns, braces, and exposed architectural steel. It is the lightest of the 3 127x51RHS sizes listed here.
127x51x3.5RHS Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Outside depth | 127 mm | 5 in |
| Outside width | 51 mm | 2.008 in |
| Wall thickness | 3.5 mm | 0.138 in |
| Cross-section area (A)computed from weight and steel density | 11.6 cm² | 1.8 in² |
| Mass | 9.07 kg/m | 6.09 lb/ft |
Standard: AS/NZS 1163. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does 127x51x3.5RHS weigh and cost?
127x51x3.5RHS has a mass of 9.07 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 18.14 per metre. Set your quantity, length, and price to total your own run:
Material only, example pricing (same currency as the price you enter). Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
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Related sizes
Deeper reading: AS/NZS Steel Sections Guide · How to calculate steel weight