A GLOBAL STEEL PLAYER TRASTEEL
TRASTEEL was founded in the last quarter of 2009 as the result of a vision of a group of entrepreneurs and experienced steel professionals. The business model is based both on the international trading activity and on establishing long-lasting partnerships with selected and reliable suppliers and customers, supported eventually by equity or share capital investments into minority participations. TRASTEEL is a multi-geographical player with major focus on China, Middle East, Europe, CIS countries, South Africa and South America. The Headquarters of the Group are based in Lugano, Switzerland, with a network of companies/local offices/agents active in Europe, South America, North America, South Africa, UAE, Russia, Turkey, Ukraine, China and Australia. During its tenth fiscal year ended in December 2018 the Company generated a consolidated turnover of approximately 535 million US dollars and employing over 120 professionals.
GRAPHITE ELECTRODES AND CONNECTING PINS
Optimized for maximum performance and minimal consumption and offered at competitive prices, TRASTEEL graphite electrodes have the proven ability to maximize steel production capacity while reducing power and production costs. TRASTEEL products are designed to increase productivity and to maximize customer value: they are available with diameters from 100-700 mm (4-28 inches), in lengths from 1,500-2,700 mm (60-108 inches), and in various quality grades
The consistent and high performance of TRASTEEL products is the result of stable materials.
STABILITY
- Electrical Conductivity
- Heat Resistance
- Resistance to Thermal Shock
ADVANTAGES
- Advanced Measuring Instruments to ensure the quality
- Supply chain management
- Stock management for fast delivery
- State of the art manufacturing plant
- Quick and efficient service with global sales and technical service network
- Special packing solutions for each type of transportation and destination
SPECIFICATIONS
Nominal Diameter | Min | Max | Available Length | IEC Designation | |
In | mm | ||||
4 | 100 | 98 | 103 | 1000 1500 |
69T4N |
8 | 200 | 200 | 205 | 1500 1800 |
69T4N |
10 | 250 | 251 | 256 | 1500 1800 |
155T3N 152T4N |
12 | 300 | 303 | 307 | 1500 1800 |
155T3N 177T3N 177T4N 177T4L |
14 | 350 | 352 | 357 | 1500 1800 2100 |
177T3N 215T3N 203T4N 203T4L |
16 | 400 | 403 | 409 | 1500 1800 2100 |
215T3N 241T3N 241T3L 222T4N 222T4L |
18 | 450 | 454 | 460 | 1500 1800 2100 2400 |
241T3N 241T3L 273T3L 241T4L 269T4L |
20 | 500 | 505 | 511 | 1500 1800 2100 2400 |
273T3N 273T3L 269T4N 269T4N |
22 | 550 | 556 | 562 | 1500 1800 2100 2400 |
298T3N 298T4N 298T4L |
24 | 600 | 607 | 613 | 1500 1800 2100 2400 |
317T4N 317T4L |
26 | 650 | 657 | 663 | 2700 | 355T4N 355T4L |
TYPICAL PROPERTIES
GRAPHITE ELECTRODES | ||||||
Apparent Density | Specific Electrical Resistance | Flexural Strength | Elastic Modulus | Coefficient of Thermal Expansion | Ash Content | |
g/cm3 | µ0m | Mpa | Gpa | µm/K-m | % | |
HP | 1.64 – 1.68 | 5.4 – 5.6 | 9.0 – 12.0 | 8.5 – 11.5 | 1.2 – 1.6 | 0,2 |
SHP | 1.68 – 1.72 | 4.9 – 5.2 | 9.0 – 12.0 | 8.5 – 12.0 | 1.1 – 1.4 | 0,2 |
UHP | 1.70 – 1.74 | 4.8 – 4.5 | 9.0 – 12.0 | 8.5 – 13.5 | 08. – 1.2 | 0,2 |
NIPPLES | ||||||
Apparent Density | Specific Electrical Resistance | Flexural Strength | Elastic Modulus | Coefficient of Thermal Expansion | Ash Content | |
g/cm3 | µ0m | Mpa | Gpa | µm/K-m | % | |
HP | 1.68 – 1.72 | 3.40 – 3.70 | 19.0 – 23.0 | 11.5 – 17.0 | 1.0 – 1.4 | 0,2 |
SHP | 1.80 – 1.84 | 3.20 – 3.50 | 20.5 – 24.5 | 12.5 – 18.5 | 0.9 – 1.2 | 0,2 |
UHP | 1.82 – 1.86 | 3.00 – 3.30 | 20.5 – 24.5 | 12.5 – 18.5 | 0.8 – 1.2 | 0,2 |

TECHNICAL ASSISTANCE AND OPTIMIZATION OF ELECTRODES APPLICATIONS
TRASTEEL technical team provides complete assistance and consulting in order to maximize the results of its products. Its services go beyond a simple product-related service, as listed below:
- Detailed practical and theoretical studies related to the electric arc furnaces and their operations
- Monitoring and optimization of operational, mechanical and electrical variables which affect the performances of the electric arc furnaces
- Calculation of productivity increase
- Furnace start-up assistance
- Furnace Regulation
- Hydraulics
- Evaluation of power supply system
- Evaluation of transformer performance
ELECTRODES REGULATION SYSTEM
TRASTEEL offers a digital electrode regulation system to better optimize the material usage. The Digital Electrode regulation system uses state-of-the-art microprocessor technology and VME bus to achieve a real-time regulation loop. The TDRH system is typically used on furnaces that operate by hydraulic movement of the electrode arms.
The TRASTEEL system is a digital regulator that utilizes the latest automation technology and is typically installed on furnaces that operate by electro-mechanical drives (winch system) of the electrode arms.
Electrode regulation benefits include:
- Reduced electrode consumption
- Reduction of electrode breakage
- Increase in average power during heats
- Lower energy consumption
- Increase production output
- Reduction of furnace operating costs
- Reduction of maintenance expenditures
- Decrease downtime
INSTRUMENTS
- Chauvin Arnoux CA8253 advanced network analyzer also used to Italian Power Suppliers, IEC 61000-4-30 class A, IEC 61000-3-6, IEC 61000-4-7
- Circuitor AR5 network analyzer
- Advanced arc stability monitor
STEEL MAKING REFRACTORIES
TRASTEEL owns an important stake in one of the major Chinese Producer of Magnesia-Carbon and Alumina-Magnesia Carbon refractory bricks. The established Joint Venture is incorporated under the name of “Yingkou Liangyu – Trasteel Refractory Co. Ltd.”. TRASTEEL is acting as the exclusive marketing arm of the Joint Venture on all activities related to overseas marketing, sales, production financing and technology advancement. The Chinese Partner, Liaoning Liangyu Synthetic Refractory Co. Ltd, has conferred to the Joint Venture their equipment and facilities. The production facilities are located in Dashiqiao City, Liaoning, a province in China close to the highest quality raw material sources for refractory production and major transportation.
The New Joint Venture integrates production and research facilities and is able to produce, with a capacity of about 70’000 MT/year, the following range of products:
- Magnesia Carbon bricks for converters, electric arc furnaces and ladles
- Magnesia Alumina Carbon bricks
- Alumina Silicon Carbide bricks
- Fired Magnesia and fired Magnesia Chrome Bricks
- Fired Magnesia Spinel bricks
- Sliding Gate Plates and Nozzles for Tundish and Ladle flow control
- Various unshaped products for lining installations and maintenance of steel making units
REFRACTORY MATERIAL FOR EAF
- Slag line lining
- Slag line lining
- Lower side wall lining
- Permanent lining
- Hearth ramming
- EBT system
- Purging system
REFRACTORY MATERIAL FOR TORPEDO CAR
- Slag line
- Impact zone
- Metal zone
- Mouth
- Charging hole
- Safety lining
REFRACTORY MATERIAL FOR BOF
- Lower cone
- Purging plugs
- Bottom
- Slag line
- Safety lining
- Tap hole reinforcement
- Upper cone 8. Mouth
- Scrap impact are
REFRACTORY MATERIAL FOR STEEL LADLE
- Impact bottom reinforcement
- Bottom
- Purging system
- Sidewall
- Slag zone
- Freeboard
- Safety lining – Slag area
- Slide gate system
- Safety lining – Sidewall and bottom area
REFRACTORY MATERIAL FOR RH DEGASSER
- Insulation lining
- Snorkel
- Lower tank
- Upper tank
- Syphon
- Dome
- Safety lining
REFRACTORY MATERIAL CONTINUOUS CASTING
- Monoblock Stopper
- Ladle Shroud
- SES
- SEN
- Tundish Nozzle
REFRACTORY MATERIAL INGOT CASTING
Runner Refractories with %45- 75 Al2O3
RAW MATERIALS
TRASTEEL is working for 10 years with some of the major raw materials producers worldwide with a particular focus on China and South Africa. The growing leadership position gained by TRASTEEL is the result of years of effort and investments, R&D carried out by its technical experts and especially the stability of the supply even in difficult and tough market conditions.
PRODUCT LIST
CAUSTIC CALCINED MAGNESIA
DEAD BURNT MAGNESIA
FUSED MAGNESIA ONE AND DOUBLE STEP
FUSED AND SINTERED SPINEL
ROTARY AND SHAFT KILN BAUXITE
BROWN FUSED ALUMINA
WHITE FUSED ALUMINA
TABULAR ALUMINA
CALCINED ALUMINA
MULLITE
CHAMOTTE
SILICON CARBIDE
FLAKE GRAPHITE
AMORPHOUS GRAPHITE
EXPANDABLE GRAPHITE
CALCIUM SILICATE
CALCIUM ALUMINATE
FLUORSPAR
WOLLASTONITE
CHROMITE SAND
For more info about TRASTEEL company and products please visit www.trasteel.com