KRM&YB Investment Co

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About Us

Kroman Çelik is a leading Turkish steel producer operating in Darıca, Kocaeli, specializing in wire rods, construction steel, sections, angle profiles, and spoolers. The company offers a broad product portfolio manufactured primarily through hot rolling, with nearly 300 different product standards across various sizes and thicknesses. Recognized for continuous technological investment and industrial excellence, Kroman Çelik has ranked among the top 50 companies in the ISO list of Türkiye’s 500 largest industrial enterprises. The company is also the only spooler manufacturer in Türkiye and one of only a few worldwide. Through product diversity, flexible production capabilities, strong supply chain management, advanced quality systems, modern IT infrastructure, and responsive after-sales support, Kroman Çelik delivers efficient and reliable solutions tailored to customer needs. The company is committed to creating sustainable value while prioritizing customer, employee, shareholder, and stakeholder confidence. Its operations are guided by global quality standards, ethical conduct, environmental responsibility, and core values including continuous improvement, open communication, accountability, creativity, and teamwork.

Our Products

Rebar

Reinforcing steel, being weldable or non-weldable, placed in the concrete in order to offset the tensile and shear stresses in the reinforced concrete structures, manufactured and delivered as finished products in the form of bars, coils and de-coiled bars. Diameter Ø : between 8mm and 40mm Length : cut-to-size between 6m and 18m Bundle Weight : min 1000 - max 3000kgs

Wire Rod

Semi-finished metallic products in the form of coils, manufactured by the process of hot rolling, used for cold drawing of round sections. Wire Rod Sizes Diameter Ø : Between 5,5mm and 26mm O. D. (A) : 1150/1250mm I. D. (B) : 850mm Height (C) : 1400 - 1850mm Weight : min. 1900 - max. 3200kgs

Rebar in Coil

Ribbed steel reinforcement in coil form manufactured by the process of hot rolling for use in concrete structures. Rebar in Coil Sizes Diameter Ø : Between 5,5mm and 26 mm O. D. (A) : 1150/1250mm I. D. (B) : 850mm Height (C) : 1400 - 1850mm Weight : min. 1900 - max. 3200 kgs

Spooler

Ribbed steel reinforcement in spool form manufactured by the process of hot rolling for use in concrete structures. Sizes Diameter Ø : between 8mm and 40mm O.D. (A) : 1100/1300mm I.D. (B) : 850mm Height (C) : 800mm (+-50mm) Weight : min. 2200 - max. 3200kgs

Section

Structural steel sections manufactured by the process of hot rolling in certain cross sections and sizes, used in many areas such as construction, machinery, agriculture and energy industry, conforming to international quality standards and providing such advantages as mountability and high strength.

Bright Steel

Bright Steel is produced from its own raw materials, offering a wide product range that includes structural steels, carbon steels, alloy steels, and free-cutting steels. Advanced technologies such as ultrasonic internal crack inspection and Eddy Current surface crack control ensure superior quality. In our Bright Steel facilities, we use modern and highly precise technologies to ensure exceptional quality: Cold Drawing: Diameter range 5-30 mm, length 3,000-7,000 mm. Peeling: Diameter range 15-105 mm, length 3,000-7,500 mm. Grinding: Diameter range 10-60 mm, length 3,000-7,000 mm.

Steel Mesh

Steel mesh is a material created by binding iron or steel wires together in a parallel grid pattern. It is produced by cold-drawing and ribbing steel, making it widely used in the construction industry for enhancing the strength and durability of concrete.

Aggregate

Aggregate is a manufactured product derived from the crushed and sieved by-product of steel production in Electric Arc Furnaces. Areas of Use Concrete Asphalt Road fill Constructional fill

Our History

Kroman Çelik became part of Yücel Grup in 1985, marking a major milestone in its growth and development within Türkiye’s iron and steel industry. Since then, the company has expanded its production capacity and strengthened its market position through ongoing modernization and technological advancement. In 2002, Kroman Port Operations was established in Kocaeli to support the logistics and material handling needs of Yücel Grup. The port manages iron and steel raw materials, finished products, and cargo services for major industrial enterprises in the region. Today, Kroman Port spans 30,000 square meters, features a 420-meter quay with a 13-meter draught, and can accommodate vessels up to 60,000 DWT. With an annual cargo handling capacity of 3 million tons and substantial temporary storage facilities, it plays a vital role in supporting the group’s industrial and export operations.