What Kaptan Demir Çelik does

Kaptan Demir Çelik Endüstri ve Ticaret Anonim Şirketi is a privately held Turkish integrated steel manufacturer and a subsidiary of Kaptan Grup Holding A.Ş. Founded in 1964 with its first rolling mill in Karabük, the company has grown into a mid-to-large scale Electric Arc Furnace (EAF) steelmaker operating an integrated meltshop-rolling mill footprint in Turkey's Thrace region. Its core technology stack comprises an SMS-DEMAG 120 MVA EAF with 125-ton tapping capacity, a CONCAST six-strand continuous casting machine producing 100–200 mm square billets (6–15 m lengths), and an SMS-DEMAG 18 MVA ladle furnace for secondary metallurgy — supported by on-site oxygen (10,000 Nm³/hour) and dust collection (2,650,000 m³) auxiliary facilities. Finished products are ribbed and flat rebar, round bars, angle iron, and billets produced across three rolling mills: Marmara Ereğlisi (900,000 tons/year, opened 2006, fully automated hot-charging), Çorlu (500,000 tons/year, renovated 2015, Turkey's first natural gas reheating furnace), and Karabük (100,000 tons/year, the original 1964 facility).

The company's primary output serves the construction, infrastructure, and machine-building sectors, with horizontally diversified customer use-cases across B2B sales channels. Total production capacity reaches up to 1.4 million tons/year of billet at the Marmara Ereğlisi steelworks and 1.0–1.4 million tons/year of construction iron across the three rolling mills, depending on the source. Distribution relies on direct B2B relationships to construction firms, infrastructure projects, and industrial manufacturers in Turkey and internationally certified export markets, with logistics supported by proximity to the Martaş port (7 km from Marmara Ereğlisi). Pricing is not publicly disclosed and no public listing, funding round, or venture/PE capital event has been identified. The company also operates a wholly-owned adjacent subsidiary, Çebi Metal San. ve Tic. A.Ş., and has invested in formal sustainability reporting and quality/energy/environmental policy disclosure infrastructure targeting international buyer requirements.

Name

Kaptan Demir Çelik

Legal name

Kaptan Demir Çelik Endüstrisi ve Ticaret Anonim Şirketi

Website

https://kaptandemir.com.tr

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Kaptan Demir Çelik is a privately held Turkish integrated steel manufacturer producing up to 1.4 million tons/year of billet and rebar via EAF steelmaking, serving construction, infrastructure, and machine-building customers domestically and in international export markets.

Ownership category

akta.pro rank

Product category

Steel Manufacturing

NAICS

Iron and Steel Mills and Ferroalloy Manufacturing (331110)

SIC

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

akta.pro primary industry

Integrated Steelmaking (BF-BOF) (IMAKABAA)

akta.pro secondary industry

Hot Rolling & Primary Mills (Plate, Hot-Rolled Coil/Sheet, Strip) (IMAKABAE)

Keywords

• Steel manufacturing
• Construction rebar
• Steel billets
• Rolling mill products
• Iron and steel

Headquarters

HQ city

Üsküdar

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Distribution channels1 record

Marketing channels1 record

Core offering

Kaptan Demir Çelik operates an integrated steel manufacturing facility producing internationally certified iron and steel products for world markets. The company runs a meltshop with 1,400,000 tons/year billet capacity feeding three rolling mills (Marmara Ereğlisi, Çorlu, Karabük) with combined construction iron capacity of 1,000,000–1,400,000 tons/year. Core outputs include steel billets (100–200 mm square cross-section) and ribbed/flat rebar plus round, square, and angle bar products.

Product overview

Kaptan Demir Çelik operates as an integrated steel manufacturing facility producing internationally certified iron and steel products. The company operates three rolling mills (Marmara Ereğlisi, Karabük, Çorlu) with combined annual capacities of 1,400,000 tons of billet production and 1,000,000-1,400,000 tons of construction iron/rebar. Core production flows through an SMS-DEMAG Electric Arc Furnace (120 MVA, 125-ton capacity), a CONCAST Continuous Casting Machine producing 100-200mm square billets, and an SMS-DEMAG Ladle Furnace (18 MVA) for secondary steelmaking. The company also operates auxiliary facilities including an oxygen production plant (10,000 Nm³/hour capacity) and a 2,650,000 m³ dust collection system.

Differentiator

Problem solved

Functional benefit

Products and services

• Steel Billets (Kütük)

Quantifiable outcome

• Up to 1,400,000 tons/year billet production capacity
• +3 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Nucor Corporation: North America's largest EAF-based steel producer and the global benchmark for electric arc furnace steelmaking economics. Useful strategic reference for Kaptan's technology route, capital intensity, and EAF-driven competitiveness, though different geography and broader product mix.

Direct peers

• Diler Demir Çelik Endüstri ve Ticaret A.Ş. Turkish long products producer focused on rebar, wire rod, and billet. Directly comparable in product offering, B2B construction-customer base, and EAF-based technology profile to Kaptan.
• Habaş (Habaş Sinai ve Tıbbi Gazlar Üretim A.Ş.): Turkish industrial group operating steelmaking facilities producing rebar and billet alongside industrial gas production - structurally similar to Kaptan given Kaptan's own on-site oxygen production. Competes in the same domestic and export rebar/billet markets.
• Çolakoğlu Metalurji A.Ş. Turkish EAF-based long products steelmaker producing rebar and billet for domestic and international markets. Operates in the same technology and product category as Kaptan and serves overlapping construction and industrial customers.
• Asil Çelik A.Ş. Turkish specialty and long products steelmaker serving both construction and industrial segments with EAF and rolling capabilities. Comparable to Kaptan in scale, product breadth, and customer mix.
• Erdemir (Ereğli Demir ve Çelik Fabrikaları T.A.Ş.): Turkey's largest integrated flat and long products steelmaker. Overlaps directly with Kaptan on long products (rebar, billet) and serves overlapping construction and industrial customers, though at significantly larger scale across both BF-BOF and EAF routes.
• Kardemir (Karabük Demir Çelik Sanayi ve Ticaret A.Ş.): Public Turkish integrated long-products steelmaker headquartered in Karabük - the same city where Kaptan operates its first rolling mill. Kardemir produces rebar, wire rod, and sections using blast furnace and EAF routes, making it the most direct domestic peer in product mix and geographic reach.
• İçdaş (İçtaş Çelik A.Ş.): Major Turkish EAF-based steel producer focused on rebar, billet, and wire rod with significant export orientation. Closely comparable technology stack (EAF, continuous casting, rolling) and product mix to Kaptan's integrated meltshop-to-rolling operation.
• Ekinciler Demir ve Çelik A.Ş. Turkish EAF-based steel producer of rebar, billet, and sections. Competes with Kaptan in domestic Turkish long-products markets and selected export channels with a similar integrated production approach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 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 Kaptan Demir Çelik