Carbotech Manufacturing | Metal Fabrication in Roebuck, South Carolina
Steel price movement reaches a structural project through the beams, plates, and sections it uses. Buyers planning platforms, supports, or framing in 2026 have been working against a rising index.
This article reviews federal data on structural steel prices and what the numbers mean for a quote request. Carbotech Manufacturing is a full-service metal fabrication shop in Roebuck, South Carolina, cutting, welding, machining, assembling, painting, and inspecting in one 14,000 square foot building.
What the Federal Index Measures
The U.S. Bureau of Labor Statistics tracks prices for hot-rolled steel bars, plates, and structural shapes in its Producer Price Index. The Federal Reserve Bank of St. Louis publishes the monthly series in its FRED database. The August 2026 reading was posted there on September 10, 2026.
The index measures prices that domestic producers receive. It tracks mill products rather than fabricated steel, and recent months remain subject to revision.
How much have structural steel prices changed in 2026?
The federal price index for hot-rolled steel bars, plates, and structural shapes rose about 9 percent between December 2025 and August 2026, according to Bureau of Labor Statistics data posted in September 2026. Over the full year from August 2025, it rose about 13 percent, reaching 312.5, its highest reading since October 2022.
How the Increase Built Up
The index sat at 250.3 in February 2025, its lowest point in the two years through August 2026. It crossed 300 in June 2026, reached 312.2 in July, and edged up to 312.5 in August. The index rose in 17 of the 18 months from March 2025 through August 2026. The only dip came in April 2026, and it was less than a tenth of a point. The largest monthly gain in that stretch was about 5 percent, in May 2025.
From the February 2025 low, the index is up roughly 25 percent. That movement can show up in the material cost behind structural steel quotes issued over the same period.
Why do steel prices matter in a structural steel quote?
Material is a moving input in a structural steel quote. Exact member sizes, grades, and quantities let a fabricator price the stock a job needs. Carbotech Manufacturing in Roebuck, South Carolina asks for drawings, member sizes, material, quantity, and a need-by date. The shop then quotes pricing and a delivery date in writing.
What Buyers Can Control
Price data does not translate directly into the cost of a fabricated member. A finished member also carries cutting, welding, fit-up, finish, and inspection. What a buyer controls is the completeness of the request.
Carbotech’s engineers read the drawing, the connections, and the load callouts before quoting. Sections run through the saw, plasma cutter, ironworker, or laser depending on thickness and profile. The shop checks members against the drawing before shipment. Cutting, drilling, welding, assembly, and paint all happen in one building.
Buyers planning structural steel fabrication can also review who owns what between the engineer of record and the fabricator. Platform projects also raise material and safety questions. See aluminum, stainless, or mild steel for industrial platforms and industrial platform guardrail requirements.
Frequently Asked Questions
What does the federal hot-rolled steel price index cover?
The Bureau of Labor Statistics index covers hot-rolled steel bars, plates, and structural shapes. That group sits within the broader steel mill products category. It measures prices that domestic producers receive, not the price of fabricated parts. The Federal Reserve Bank of St. Louis publishes the monthly series, and the next reading is scheduled for October 15, 2026.
Will structural steel prices keep rising?
Federal price data describe past movement and do not forecast future prices. The index for hot-rolled steel bars, plates, and structural shapes rose about 13 percent in the year to August 2026. Recent months remain subject to revision. Buyers can check the latest monthly reading before requesting a structural steel quote.
Where can I get structural steel fabrication quoted in Upstate South Carolina?
Carbotech Manufacturing quotes structural steel fabrication at 129 Old Airport Road in Roebuck, South Carolina, in Spartanburg County. Jon Comber handles scope and quoting directly. The shop builds platforms, supports, and framing in aluminum, stainless steel, and mild steel. Standard terms are Net 30 once an account is open.
Carbotech Manufacturing: One Floor, Every Operation
Carbotech Manufacturing cuts, welds, machines, assembles, paints, and inspects in one 14,000 square foot building in Roebuck, South Carolina. The plant opened in 2023 as the US operation of Carbotech Group, which has built log handling and wood processing equipment from Quebec since 1987.
Our Services Include:
- Custom Metal Fabrication: Aluminum, stainless, and mild steel, from single pieces through repeat runs
- Material Handling Systems: Conveyors, platforms, and handling equipment designed, built, painted, and installed by one team
Have a print or a bottleneck?
Send it over with material, quantity, and the date you need parts on the ground.
Related Articles
- Engineer of Record vs. Fabricator: Who Owns What in Structural Steel
- Aluminum, Stainless, or Mild Steel for Industrial Platforms and Supports
- Industrial Platform Guardrails: What OSHA Requires Before You Order Steel
Works Cited
U.S. Bureau of Labor Statistics. “Producer Price Index by Commodity: Metals and Metal Products: Hot Rolled Steel Bars, Plates, and Structural Shapes [WPU101704].” FRED, Federal Reserve Bank of St. Louis, fred.stlouisfed.org/series/WPU101704. Accessed 15 Sept. 2026.
