PIPE18STD Dimensions & Weight
PIPE18STD is 18 in nominal size standard weight (STD) structural steel pipe (AISC), weighing 70.7 lb per foot — a stock choice for bollards, pipe columns, and handrail. It is the lightest of the 2 PIPE18 sizes listed here.
PIPE18STD Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Nominal pipe sizenominal size, not the outside diameter | 18 in | NPS 18 |
| Weight class | STD | standard weight (STD) |
| Cross-section area (A)computed from weight and steel density | 20.78 in² | 134.1 cm² |
| Weight | 70.7 lb/ft | 105.2 kg/m |
Standard: AISC. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does PIPE18STD weigh and cost?
PIPE18STD weighs 70.7 lb per foot. At an example material price of $0.92/lb that is about $65.04 per foot. Set your quantity, length, and price to total your own run:
Material only, example pricing. 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: HSS Sizes: Square & Rectangular Tube Guide · How to calculate steel weight