High Performance Hydrogen® Bell-type Annealing Plants
40Pages

High Performance Hydrogen® Bell-type Annealing Plants Recrystallizing and Bright Annealing of Steel Strip in a Hydrogen Atmosphere

TENOVA LOI THERMPROCESS Tenova LOI Thermprocess is one of the leading companies in supplying industrial furnace systems for the heat treatment of metals. Worldwide clients from the steel, aluminium and automotive industries rely on the technical solution competence and thousands of references backed by a history of over 100 years representing the entire know-how in the field of material properties and secondary metallurgy. Tenova LOI Thermprocess is a global partner represented in all major markets throughout the world. Being a driver in the transformation of the metals industry towards...

The Leading Bell-type Annealing Equipment Producer with many Years of Plant and Process Experience Tenova LOI Thermprocess, including atmosphere. More than 3,500 bases in more than 30 countries and these Matthias Ludwig and Nassheuer, has with pure hydrogen. Tenova LOI tonnes of wide, medium-width and use HPH® annealing technology been a technological market leader Thermprocess is therefore also a more than 70 years. Throughout the performance hydrogen annealing in Bell-type Annealing Furnaces for world, more than 8,500 LOI annealing bases have been installed. About 5,000 operate with an...

The Full Range of Heat Treatment Plants for Steel Strip Tenova LOI Thermprocess is a company of the Tenova Group and the world market leader in industrial plants for almost all applications in the metals industry. furnaces for metals. Tenova LOI As part of the Tenova Group, with the heating and heat treatment of Tenova LOI Thermprocess benefits Thermprocess builds plants for advanced materials and can offer a full range of industrial furnace units such as Tenova Strip Processing, from additional synergy effects for the iron, steel and aluminium industries. The Tenova Group consists of a...

CONTINUOUS GALVANIZING LINES (HORIZONTAL) Carbon steel Max. capacity Strip width Strip thickness Application range Hot and cold-rolled steel; CQ to EDDQ Process temperature Heating system Process atmosphere DECARBURIZING AND COATING LINES Grain-oriented electrical strip Max. capacity Strip width Strip thickness Application range Grain-oriented electrical strip Process temperature Heating system Gas-fired, electric, induction Process atmosphere FLATTENING AND COATING LINES Grain-oriented electrical strip Max. capacity Strip width Strip thickness Application range Grain-oriented electrical...

THE MAIN APPLICATIONS OF HPH® TECHNOLOGY The decision in favour of a continuous or Bell-type Annealing Plant can only be taken on the basis of the specific details of a project. In many cases, an HPH® Bell-type Annealing Plant has the following advantages over continuous annealing technology: • Higher quality in the case of non-alloyed extra deep drawing grades • Higher flexibility with regard to product range and capacity utilization Lower capital cost Lower operating expenses Lower maintenance expenses Possibility of modular expansion in sev

� HPH® Bell-type Annealing Plant with Jet cooling for annealing medium-width strip FROM HOT BAND TO EXTRA LIGHT GAUGE MATERIAL GRADES low-carbon to high-carbon steels • Light-gauge sheet, CQ to EDDQ is used for a variety of products, • High-alloy steel coils FROM WIDE TO NARROW STRIP • Narrow, medium-width and wide strip coils • Max. coil outside diameter 2,700 mm • Max. coil stack height 6,600 mm • Max. stack mass 220 t A special application of HPH® technology: extra deep drawing grades of the type needed for aerodynamically shaped car bodies (surface quality for external components) •...

THE SPECIAL FEATURES OF LOI HPH® BELL-TYPE ANNEALING PLANTS AT A GLANCE Tenova LOI’s comprehensive HPH® Annealing Plant expertise is the result of decades of technical optimization. More than 70 years of experience with Bell-type Annealing Plants are reflected not only in a wide variety of innovative details but also in comprehensive process engineering expertise that LOI customers can build on

� Unsurpassed control concept � HPH® Bell-type Annealing Plant for cold rolled steel strip, equipped with 99 bases TRIED AND TESTED BASE DESIGN • Virtually unlimited service life • Very low dew point for the highest possible process quality and strip cleanliness VARIOUS COOLING ALTERNATIVES FOR SPECIFIC APPLICATIONS • Water spray cooling, Jet cooling, Bypass + Jet cooling • Precisely controlled cooling • The automation concept fulfills • Final cooling to skin pass automotive industry temperature, also with air drying to prevent corrosion UNSURPASSED CONTROL CONCEPT • Scalable control...

The High Product Quality achievable with HPH® Technology Grade designations for cold-rolled flat steel products Ductile steels intended for cold forming Mechanical properties The HPH® plant generation ensures outstanding mechanical properties, International Designation • Complete recrystallization • An extremely homogeneous microstructure with very low scatter of mechanical properties • High elongation at rupture and low, homogeneous Re and Rm Mechanical properties guaranteed by Tenova LOI Thermprocess in accordance with EN 10130 (2007) Minimum requirements for cold-rolled flat annealed...

Steel strip annealed in HPH® plants • Comparison data • Comparison data confirming the requirements with respect to: plants for exposed components – strip annealed in HPH® plants • The avoidance of carbon deposits • The avoidance of surface • Steel grades containing alloying high-carbon steels are sensitive to high dew points Strip quality meets customers’ most stringent decarburization, even with • The avoidance of surface oxidation, even with Cr and Si steels steel strip annealed in HPH® with considerable success is available from Tenova LOI elements with a high affinity for • Phosphating...