US Concrete Rebar Price Trends: BLS PPI Analysis (2020–2026)
Published July 21, 2026 · Data Source: US BLS Producer Price Index Series WPU101704 & buildercalc Price Tracking
US concrete reinforcing bar (rebar) prices experienced unprecedented surge levels between 2020 and 2022 due to global scrap metal supply constraints and energy cost surges, reaching a peak BLS Producer Price Index (PPI) level of 342.1 (base 1982=100) in mid-2022. Following post-pandemic supply chain stabilization, rebar index levels moderated to an average range of 255.0 to 270.0 through 2024 and 2025. buildercalc's current market tracking places average US #4 and #5 Grade 60 rebar at $1,050 to $1,220 per U.S. ton ($0.53 to $0.61 per lb), reflecting stabilized domestic mill production.
BLS Rebar Producer Price Index (2020–2026)
The chart below plots the official monthly US Bureau of Labor Statistics (BLS) Producer Price Index for Steel Concrete Reinforcing Bars (Series WPU101704):
BLS Producer Price Index: Steel Rebar (WPU101704)
US Rebar Market Dynamics & Scrap Metal Drivers
The domestic US reinforcing bar market relies heavily on Electric Arc Furnace (EAF) mini-mills—such as Nucor, Commercial Metals Company (CMC), and Steel Dynamics—which utilize recycled ferrous scrap (specifically HMS #1 and shredded scrap) as primary raw material feeds. Because EAF steelmaking accounts for over 70% of US rebar production, domestic ton pricing is directly linked to monthly scrap metal settlement prices in Chicago and East Coast benchmark regions.
During the 2021–2022 inflation surge, global scrap availability tightened alongside rising natural gas and electrode costs. Section 232 steel tariffs further restricted low-cost foreign billet imports, allowing domestic mills to maintain historically high price spreads between scrap costs and finished rebar (the "metal spread"). Furthermore, differences between ASTM A615 carbon-steel rebar and ASTM A706 low-alloy weldable rebar created additional premium tiers in seismic design zones across the US West Coast.
Fabrication Surcharges & Grade Differentials
Mill Base Price vs Fabricated On-Site Cost
Estimating structural reinforced concrete budgets requires distinguishing between mill-gate base pricing and delivered, fabricated rebar bundles:
- Grade 60 vs Grade 80 Premium: High-strength Grade 80 rebar (ASTM A615) carries a 6% to 10% mill price premium over Grade 60, but reduces total steel tonnage in heavily reinforced columns by up to 15%.
- Off-Site Shop Fabrication: Cutting, bending stirrups, and heavy hook fabrication at regional fabricator shops adds $150 to $280 per ton over raw mill-length 20ft and 40ft stock bundles.
- Epoxy & Galvanized Coatings: Corrosion-resistant epoxy-coated (ASTM A775) and hot-dip galvanized rebar (ASTM A767) add $350 to $550 per ton for bridge decks and marine coastal structures.
Methodology & Data Provenance
Data Sources & Collection Methodology:
- Monthly Producer Price Index data retrieved directly from the US Bureau of Labor Statistics (BLS) public database (Series ID: WPU101704, Steel Concrete Reinforcing Bars).
- Regional ton prices aggregated monthly across US steel distributors and regional suppliers on buildercalc's Rebar Price Tracker.
- Calculations reflect ASTM A615 Grade 60 rebar across standard sizes (#3 through #8).
- US Bureau of Labor Statistics Producer Price Index Series WPU101704 (data.bls.gov, retrieved July 2026).
- ASTM International Standard ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement.