What UMC Metals Limited does

UMC Metals Limited (บริษัท ยูเอ็มซี เม็ททอล จำกัด) is a privately held Thai steel manufacturer that produces long steel billets, round reinforcing bars (Round Bars), and deformed reinforcing bars (Deformed Bars) for the domestic construction sector and downstream steel rolling mills. The company operates its manufacturing facility in Chonburi province on the eastern seaboard of Thailand, while maintaining its head office in central Bangkok (Sukhumvit 21, Asoke). Itself describes as one of the leading steel billet producers in Thailand, UMC supplies both Thai rolling mills and export customers across more than 10 countries.

The company's core technology is Electric Arc Furnace (EAF) steelmaking augmented by the Eco Arc (Environmentally Conscious Arc Furnace) system, which was installed in 2013 through a co-development partnership with NEDO (Japan's New Energy and Industrial Technology Development Organization) and Thailand's Department of Industrial Promotion. The product portfolio spans three SKUs: billets in grades 3SP, 5SP, HRB400, M12, and M15 (100x100mm to 150x150mm cross-section, 4-12m lengths); round bars in SR24 grade at RB12 and RB15 diameters; and deformed bars in SD30, SD40, and SD50 grades at DB12-DB32 diameters. Products are manufactured to Thai Industrial Standards (TIS 20-2559 and TIS 24-2559), with the company's quality system certified to ISO 9001:2015 and its UMC billet brand certified by the London Metal Exchange (LME), permitting direct delivery into LME warehouses.

UMC generates revenue through direct B2B sales of physical steel products. Its go-to-market is direct-to-customer via a sales team reachable by phone, with pricing not publicly disclosed. The customer base comprises two primary use-case segments — domestic steel rolling mills purchasing billet feedstock, and construction companies purchasing rebar — supplemented by international export customers. There are no public funding rounds, no disclosed headcount beyond the corporate office (reported as 7), no parent company, and no public-market listing.

Name

UMC Metals Limited

Legal name

บริษัท ยูเอ็มซี เม็ททอล จำกัด

Website

https://umc.co.th

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

UMC Metals Limited is a privately held Thai steel manufacturer producing long steel billets and reinforcing bars (round and deformed) via Electric Arc Furnace technology for domestic construction firms, steel rolling mills, and export customers in 10+ countries.

Ownership category

akta.pro rank

Product category

Steel Manufacturing

NAICS

All Other Fabricated Metal Product Manufacturing (33299)

akta.pro primary industry

Electric Arc Furnace (EAF) Steelmaking (Incl. DRI/HBI-Based) (IMAKABAB)

akta.pro secondary industry

Metal Melting & Secondary Smelting/Refining (Recycled Feedstock Producers) (EUAIAJAJ)

Keywords

• Steel billet manufacturing
• Reinforcing steel bars
• Electric arc furnace
• Construction steel products
• Steel mill supplies

Headquarters

HQ city

Bangkok

HQ country

Thailand

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Technology or R&D, Infrastructure, Personnel, Marketing or Sales, Others

Revenue model

1. Steel Billet Sales: Manufacturing and selling long steel billets (Billet) to domestic steel rolling mills and international customers. The company exports to more than 10 countries and supplies leading domestic steel rolling companies.
2. Deformed Steel Bar Sales: Production and sale of deformed steel reinforcement bars (Deformed Bars) in various grades (SD30, SD40, SD50) and sizes (DB12-DB32) for construction applications.
3. Round Steel Bar Sales: Manufacturing and selling round steel reinforcement bars (Round Bars) in SR24 grade, sizes RB12 and RB15, primarily for construction purposes.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

UMC Metals Limited is a Thai steel manufacturer producing long steel billets (Billet), round reinforcing steel bars (Round Bars), and deformed reinforcing steel bars (Deformed Bars) for construction and steel rolling mill applications. The company operates an Electric Arc Furnace (EAF) facility equipped with Eco Arc technology installed in 2013, producing products compliant with Thai Industrial Standards มอก. 20-2559 and มอก. 24-2559. UMC holds London Metal Exchange (LME) certification, enabling direct billet exports to LME warehouses across more than 10 countries.

Product overview

UMC Metals Limited is a steel manufacturing company producing three core products: long steel billets (Billet), round reinforcing bars (Round Bars), and deformed reinforcing bars (Deformed Bars). These products serve the construction industry and steel rolling mills, with billets also exported to over 10 countries. The company holds London Metal Exchange (LMF) certification for its billet products and operates with ISO 9001:2015 quality management system.

Differentiator

Problem solved

Functional benefit

Products and services

• Billet (เหล็กแท่ง / Long Steel Billet)
• Round Bars (เหล็กเส้นกลม / Round Reinforcing Steel Bars)
• Deformed Bars (เหล็กข้ออ้อย / Deformed Reinforcing Steel Bars)

Quantifiable outcome

• Products comply with Thai Industrial Standards มอก. 20-2559 and มอก. 24-2559

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Three partnerships are on record, tiered core and flagship.

• NEDO (New Energy And Industrial Technology Development Organization)coreStrategic or Co-development Partner · 1 January 2013In 2013, UMC Metals was selected by NEDO and the Department of Industrial Promotion (กสอ) to install Environmentally Conscious Arc Furnace (Eco Arc) technology. This partnership represents technology co-development for environmentally sustainable steel production.
• กสอ (กรมส่งเสริมอุตสาหกรรม / Department of Industrial Promotion)coreStrategic or Co-development PartnerGovernment partner that collaborated with NEDO to select UMC Metals for Eco Arc technology installation. Represents industrial development partnership for promoting environmentally friendly manufacturing in Thailand.
• London Metal Exchange (LME)flagshipTechnology or IntegrationLMF (London Metal Exchange) certification of the UMC brand enables the company to deliver steel billets directly to LME warehouses, facilitating international trade and establishing global credibility.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Bangkok Steel Industry Public Company Limited: Thai steel manufacturer producing structural steel products including beams, channels, and rebar. Competes directly with UMC in the domestic Thai steel market for construction and infrastructure applications.
• Sahaviriya Steel Industries Public Company Limited: Thailand's largest EAF and HBI steelmaker, producing hot-rolled coil, slab, and billet. Operates similar EAF-based steel production and serves regional and export markets, making it the most direct comparator to UMC Metals in technology, geography, and scale.
• G Steel Public Company Limited: Thai-based EAF steelmaker producing hot-rolled coil and downstream steel products. Overlaps with UMC in electric arc furnace steelmaking technology and Thai market focus, though positioned more in flat products than long products.
• Siam Iron and Steel Company Limited: Thai-based steel producer focused on long steel products including rebar and billet for construction. Direct competitor in the Thai rebar and billet market with similar customer base of rolling mills and construction firms.
• Tata Steel (Thailand) Public Company Limited: Thai subsidiary of Tata Steel (formerly Millennium Steel), producing long steel products including rebar and wire rod. Operates in the same Thai market with similar EAF-based billet production and serves overlapping construction and rolling mill customers.

Regional players

• Southern Steel Berhad: Malaysia-based EAF steelmaker producing billets, rebar, and wire rod for domestic and regional Southeast Asian markets. Comparable regional peer with similar EAF technology and product mix, though primarily serving Malaysian market rather than Thailand.
• NatSteel Asia Pte Ltd: Singapore-based EAF steelmaker producing rebar and wire rod for Southeast Asian markets. Regional peer with similar EAF technology and product mix, but operating primarily in Singapore and adjacent markets rather than in Thailand.

Broad incumbents

• Commercial Metals Company (CMC): US-based EAF steelmaker and metals recycler producing long products, rebar, structural steel, and fence posts. Highly comparable in EAF technology and product mix, particularly in rebar and billet segments, with global operating footprint.
• Nucor Corporation: Largest US EAF steelmaker and global leader in scrap-based steel production. Represents a benchmark for EAF technology, operational efficiency, and downstream product mix including rebar. Comparable in core EAF technology despite vastly larger scale.
• Gerdau S.A. Latin America's largest steelmaker and a major global EAF producer with operations in the Americas. Comparable in EAF technology and long product focus, though at a much larger scale with global footprint and integrated scrap collection.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/umc-metals-limited

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

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 UMC Metals Limited