Alton Steel

What Alton Steel does

Alton Steel, Inc. was a privately held Special Bar Quality (SBQ) steel bar manufacturer headquartered and operating from a single integrated facility at 5 Cut Street, Alton, Illinois. Founded in 2001 and representing nearly 25 years of continuous operations before its January 2026 closure, the company operated a 200-ton electric arc furnace with 750,000 tons of annual melt shop capacity and a 14-inch rolling mill with 400,000 tons of annual rolling capacity. Its four core product lines — SBQ bars, coil, merchant bar quality (MBQ), and rounds corner square (RCS) — were produced to ASTM specifications and to customer-specific chemistries across eight steel grade series (1000, 1100, 1215, 1500, 4000, 4100, 5100, 8600), serving automotive, aerospace, construction, and general industrial buyers.

The business model was a B2B industrial steel mill with direct enterprise field sales (phone, email, inquiry forms), quote-based pricing on ASTM-spec products, and direct shipment from the Alton facility coordinated via designated regional truck stops. The workforce was United Steelworkers-represented and the company held ISO 9001:2015 certification. The company attempted to differentiate on sustainability through a 6.5 MW onsite solar partnership with Qcells North America (the second such arrangement in the U.S. steel sector) and secured a $4 million federal tax credit loan in April 2025 via a St. Louis Economic Development Partnership subsidiary.

Despite these efforts, Alton Steel ceased operations effective January 26, 2026, citing aging infrastructure, intense competition, and industry consolidation that prevented the privately held company from accessing the capital required to modernize against publicly traded competitors. A WARN Act lawsuit followed in March 2026, and asset liquidation began April 2, 2026, via a timed online auction conducted by Capital Recovery Group LLC and GA Group, with proceeds designated for creditors.

Name

Alton Steel

Legal name

Alton Steel, Inc.

Website

https://altonsteel.com

Company type

Private

Founded year

2001

Operating status

Closed

Headcount range

101–250 employees

Short description

Alton Steel was a privately held Special Bar Quality (SBQ) steel bar manufacturer in Alton, Illinois, operating a 200-ton electric arc furnace and 14-inch rolling mill serving automotive, aerospace, and construction buyers until ceasing operations in January 2026.

Ownership category

akta.pro rank

Product category

Specialty Steel Bar Manufacturing

NAICS

Iron and Steel Mills and Ferroalloy Manufacturing (3311), Iron and Steel Mills and Ferroalloy Manufacturing (331110)

SIC

Steel Works, Blast Furnaces & Rolling & Finishing Mills (3310), Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) (3312)

akta.pro primary industry

Long Products Manufacturing (Rebar, Wire Rod, Merchant Bar, Sections/Beams) (IMAKABAH)

akta.pro secondary industries

Specialty & Alloy Steel (Stainless, Tool Steel, Electrical Steel, High-Strength/HSLA) (IMAKABAJ), Steel Casting (Continuous Casting, Ingots, Semi-Finished Slabs/Billets/Blooms) (IMAKABAD)

Keywords

• Special bar quality steel
• Steel bar manufacturing
• Carbon and alloy steels
• Electric arc furnace steel
• Merchant bar quality steel

Headquarters

HQ city

Alton

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D

Revenue model

1. Steel Bar Manufacturing and Sales: Primary revenue from manufacturing and selling Special Bar Quality (SBQ) steel bars, coils, merchant bar quality (MBQ), and rough drawn shapes (RCS) to industrial customers. Products sold to ASTM specifications with custom chemistries for carbon and alloy steels.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Alton Steel operated a Special Bar Quality (SBQ) steel bar manufacturing facility in Alton, Illinois, melting steel in a 200-ton electric arc furnace (750,000 tons annual melt capacity) and rolling bars through a 14-inch bar mill (400,000 tons annual rolling capacity). The company produced SBQ bars, steel coil, merchant bar quality (MBQ) bars, and rounds-corner-square (RCS) shapes manufactured to ASTM specifications and customer-specific chemistries for high-strength carbon and alloy steels.

Product overview

Alton Steel is a Special Bar Quality Steel (SBQ) bar manufacturer operating a 200-ton electric arc furnace and a 14" bar mill with annual capacity to melt 750,000 tons of steel and roll 400,000 tons of steel bars. The company offers four main product lines: SBQ bars (the primary offering in various carbon and alloy steel grades), Coil products, Merchant Bar Quality (MBQ) steel, and RCS (Rounds Corner Square) bars. All products are made to ASTM specifications and customer-specific chemistries.

Differentiator

Problem solved

Functional benefit

Products and services

• Special Bar Quality (SBQ) Steel Bars Primary product offering of carbon and alloy steel bars manufactured to ASTM specifications and customer-specific chemistries. Diameters from 0.750" to 3.9" and lengths from 16' to 60', available in multiple grade series including 1000, 1100, 1215, 1500, 4000, 4100, 5100, and 8600 series. Sold to industrial customers in automotive, aerospace, and construction sectors.
• Steel Coil Bar-in-coil product in diameters from 0.750" to 1.812", with approximate weight of 5,000 lbs (2,270 kg). Available in the same carbon and alloy steel grade series as the SBQ product line for industrial customers.
• Merchant Bar Quality (MBQ) Steel Merchant bar quality steel in diameters from 0.75" to 3.5" and lengths from 16' to 60', available in grades including A36, A105, F1554, A615, and A572. Targeted at construction sector applications.
• Rounds Corner Square (RCS) Steel Bars Rough drawn shapes (RCS) produced in specific diameters of 1.25", 1.50", 1.75", and 2.00" and lengths 16' to 60', with custom grade availability upon customer inquiry.

Quantifiable outcome

• 750,000 tons annual melt capacity
• +2 more outcomes

Named customers4 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Qcells North AmericaflagshipStrategic or Co-development Partner · 25 September 2023Qcells, the largest solar panel manufacturer in North America, partnered with Alton Steel on a 6.5 MW solar project. This marked the second steel mill in the U.S. to have an onsite solar partnership, representing a critical clean energy investment for sustainable steelmaking operations.

Scale indicators6 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Nucor: Largest U.S. EAF steelmaker with extensive bar and SBQ operations; a dominant incumbent in the long-products markets Alton served.
• Gerdau Long Steel North America: Large producer of merchant bar, rebar and long products from scrap-based EAF mills, overlapping Alton's MBQ/long-products offering.
• Commercial Metals Company (CMC): EAF mini-mill producer of merchant bar and long products serving construction markets overlapping Alton's MBQ line, but at much larger scale.
• Steel Dynamics (Engineered Bar Products): Large EAF mini-mill operator whose engineered/SBQ bar division competes in the same long-products space, but as part of a far broader, better-capitalized portfolio.
• Cleveland-Cliffs: Integrated U.S. steel producer serving automotive and construction; an incumbent in overlapping end markets though oriented to flat products and far larger scale.

Direct peers

• Optimus Steel: Independent EAF mill producing steel wire rod and bar from scrap, comparable to Alton as a focused, single-site long-products producer.
• Metallus (formerly TimkenSteel): U.S. EAF producer of special bar quality (SBQ) alloy and carbon steel bars for automotive, aerospace and industrial markets — the closest direct analog to Alton's SBQ product line.
• Charter Steel: EAF mini-mill producing SBQ bar and rod in carbon and alloy grades for similar industrial customers, directly overlapping Alton's bar and coil offering.
• Gerdau Special Steel North America: Major SBQ engineered steel bar producer serving automotive and industrial OEMs with custom chemistries, mirroring Alton's specialty bar niche.
• Republic Steel: U.S. producer of SBQ and engineered carbon/alloy steel bars for automotive and industrial applications, directly comparable in product and end markets.

Market position

Strengths2 records

Weaknesses4 records

Competitive moat4 records

Key highlights5 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Alton Steel