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Iron & Steel

Iron & Steel

Today, steel is produced by two main industrial production methods. The integrated route utilises iron ore and coal in a blast furnace to produce molten iron which is subsequently transferred to the basic oxygen furnace (BOF) in which it is converted to steel. The second steelmaking route melts scrap steel and/or sponge iron from direct reduction in an electric arc furnace (EAF). KONREF provides high grade and reliable refractory materials to steel producers for their indispensible needs in the steel production.

S Metal refractories is a full-range refractory manufacturer for Electric Arc Furnace (EAF), Basic Oxygen Furnace (BOF), TUNDISH, Induction Furnaces, TORPEDO Ladle, and Treatment Ladle.

Electric Arc Furnace

Electric Arc Furnace (EAF) is a steel making furnace, in which steel scrap is heated and melted by heat of electric arcs between the furnace electrodes and the metal bath.

Refractory linings of EAFs are made generally of fired magnesia and resin-bonded magnesia-carbon bricks. Fused magnesia grains and flake graphite are used as raw materials.

Basic Oxygen Furnace Converter

Basic oxygen steelmaking (BOS, BOP, BOF, or OSM), is a method of primary steelmaking in which carbon-rich molten pig iron is made into steel. Blowing oxygen through molten pig iron lowers the carbon content of the alloy and changes it into low-carbon steel. The process is known as basic because fluxes of burnt lime or dolomite, which are chemical bases, are added to promote the removal of impurities and protect the lining of the converter.

Steel Ladle

The carrying out of metallurgical reactions in the ladle is a common practice in practically all steelmaking shops, because it is cost-efficient to operate the primary furnace as a high-speed melter and to adjust the final chemical composition and temperature of the steel after tapping.

Key Services

BF Stack maintenance full turnkey project

Ask the experienced team at S Metal for a maintenance quote to greatly extend the lifetime of your Blast Furnace.

  • Project offering can include usage of platform or gunning robot system
Tap-hole area maintenance

Leave the maintenance to us for worry-free operations, including supply and installation of:

  • Grouting
  • Crack-filling mass
  • Tap-hole face maintenance castable
Runner management system (RMS)
  • S Metal partners with you: Refractory cost is set per tonne of your production (Prorata system)
  • Safety focus for runner design from S Metal’ experienced engineers (permanent lining & safety lining)
Fine-tuning of Tap-Hole Clay

Tap-hole clay can be customised specific to your operations thanks to S Metal’s years of application expertise between our team of experts:

  • Our teams spend time at your site to learn your processes
  • Link the formulation to your requirements and constraints (for example your plugging & drilling equipment and practices)
Precast service

S Metal will analyse your equipment and design and manufacture customised precast pieces specifically for you.

Refractory assessments

Talk to your S Metal experts to see how we can cut your operating costs by assessing your refractory (including thermal imaging) to ensure your operations are running as efficiently as possible.

Key Products

Tap-Hole Clay customisation and innovation

Tap-hole clay manufacturer for over 30 years, S Metal will put its experience and expertise to work for you with customised tap-hole clay options including innovative concepts like the Quick Drilling line which reduces opening time and eases drilling to give you up to 20% savings.

Blast Furnace Stack gunning or shotcreting

For the fastest and most efficient maintenance of your Blast Furnace, S Metal will recommend the ideal gunning or shotcreting products from our wide range (see our ironmaking key services above for the full turnkey project option).

Castables for runners

Ask our S Metal’s experts for the best solution based on your runner design and operating conditions: full range from traditional castables to ultra-low cement content (ULCC) carbon-containing castables (like our best-seller CALDE® CAST G 6 P).

Precast shapes

S Metal has the capability to produce a wide-range of pre-dried precast shapes both at our locations and on your premises. Shapes vary on size and complexity to satisfy all customer requirements.

  • Simple installation
  • Minimum downtime of your equipment
  • Improved performance with product lifetime guarantee