StahlDat SX

StahlDat SX is the only online authorized publication of the European Steel Register and a continuously growing knowledge base for steel on the Internet. The StahlDat SX contains the complete Register of European Steels (the „Stahl-Eisen-Liste“), their specification data, and temperature-dependent properties. The data is licensed from the German Steel Institute (Stahlinstitut VDEh) of Düsseldorf, Germany. The institute also encompasses the European Steel Registration Office and publishes SEW 310 (Stahl-Eisen-Werkstoffblatt).

The StahlDat SX is now available through MATGLOBE. In addition to StahlDat SX, MATGLOBE also gives you access to aluSELECT and the Copper Key 2.0.

Register of European Steels (Stahl-Eisen-Liste)

The Register of European Steels is the official and up-to-date list of all registered steel grades in European standards with their material numbers (EN 10027-2). The European Steel Register also contains all steel grades registered with the European Steel Registry, including trademarks of European manufacturers. The Steel Institute VDEh in the Steel Center Düsseldorf, as the central European steel registry, publishes this data exclusively in the StahlDat SX.

The Stahl-Eisen-Liste currently includes over 2400 steels, of which more than 470 are corrosion-resistant stainless steels. It is actively maintained, which may result in an increasing and also decreasing number of grades:

• 380+ plain carbon steels
• 140+ low-alloy steels
• 190+ high quality steels
• 1400+ alloyed stainless steels
• 130+ non-ferrous metals

According to the classification in DIN EN 10020:2000-07, the register of European steels contains:

• over 550 unalloyed and alloyed quality steels
• over 450 stainless steels; heat-resistant and high-temperature resistant materials (RSH steels)
• over 150 unalloyed stainless steels
• over 1000 other alloyed stainless steels
• over 150 European producers of steel and semi-finished products with corresponding trade names
• over 350 international standards
• For 450 selected materials, thermophysical properties (properties as a function of temperature) are also available, for example: modulus of elasticity, thermal expansion, thermal conductivity, electrical resistance
• Pictures from the register of European steels

Groups in the Register of European Steels:

• Quality steels
• Unalloyed stainless steels
• Stainless steels
• Alloyed tool steels
• Alloyed engineering steels
• Nickel and cobalt alloys

The complete list of registered steel grades contained in StahlDat SX is published on stahldaten.de.

Available data

• Material designations – material number per EN 10027-2, short name per EN 10027-1, tradenames, characteristics, purpose
• International equivalent standards
• Delivery conditions
• Composition specification
• Mechanical properties including yield strength, tensile strength, elongation, impact energy, hardness
• Suppliers
• Temperature-dependent data (for over 450 materials): density, thermal expansion coefficient, modulus of elasticity

Thermophysical data

The StahlDat SX contains thermophysical data for over 100 selected steels with different heat treatment conditions. The thermophysical data sets contain a summary of temperature-dependent properties like specific heat capacity, thermal conductivity, and density.

Investigated properties / measuring methods and instruments:

• Density — determined by weighing in air and under water using a thermostated semi-microbalance
• Thermal expansion — average linear thermal expansion coefficient and differential linear thermal expansion coefficient; a purpose-built dilatometer setup with vertical sample positioning
• Young’s modulus and transverse contraction number — recorded by measuring the resonance frequencies of free-swinging rod-shaped samples. The dynamic quantities determined in this way can differ from the static quantities, in particular at higher temperatures, as determined in the tensile or bending test. Measuring arrangements: “Elastomat” and “Tectanel”
• Specific heat capacity — an adiabatic calorimeter for heat content and thus the true and average specific heat capacity; more recent studies used a dynamic power-difference calorimeter
• Specific electrical resistance — on rod-shaped samples in a thermostatted bath at 20 °C; temperature dependence on thin sample plates
• Thermal conductivity — calculated on the basis of the Wiedemann–Franz–Lorenz law from heat-conduction and resistance measurements on samples of the same or similar composition
• Thermal diffusivity — from the determined values of thermal conductivity, true specific heat capacity, and density; for some steels the laser flash method was used for direct measurement

Library

Technical publications and knowledge in full text. The library comprises reference books, FOSTA research reports, and technical standards.

FOSTA research reports. All digitally available FOSTA reports (> 100) are available in full text for StahlDat SX Professional users. The task of FOSTA is the promotion and projecting of application technology research and development on an immediate non-profit basis. Research partners of FOSTA are research institutes, universities, engineering offices, and steel processing companies. Research priorities are:

• Vehicle construction, forming technology, joining technology
• Steel construction, bridge construction, composite construction, lightweight construction
• Environmental protection, composite structures
• Apparatus and container construction

Technical standards. The Steel-Iron Rules consist of more than 240 documents:

• Steel Iron Plant Leaves (SEB)
• Steel Iron Service Lists (SEE)
• Steel Iron Delivery Conditions (SEL)
• Steel Iron Test Sheets (SEP)
• Steel-iron material sheets (SEW)
• Standards and technical delivery conditions

The writings of this series give a concentrated overview of the variety of applications and the range of processing methods of steel. For a better understanding they are extensively illustrated with photos and technical drawings. Some editions have been translated into English.

Further content (Professional and on-premise)

An individual MATGLOBE solution can be installed on your local network and include selected content not available in the free version, for instance:

• Sheet steel database with calculation-relevant characteristic values for body steels. Contents are thousands of waveforms (e.g. stress-strain diagrams, limit-shape change diagrams, bulge tests, evaluation of dynamic trials)
• Library with all current FOSTA reports, SEP, SEW iron sheets, and books, e.g. the complete “Atlas for heat treatment of steels” and “Precipitation Atlas” in full text
• TTT database with over 420 TTT/TTA diagrams and references to more than 2000 further diagrams
• Flow-curves database with more than 500 parametric flow-curve models (TU Freiberg). Within the scope of validity of the models, arbitrary flow curves can be created and compared with each other
• Thermophysical test data based on the 100 Steels programme by Friedhelm Richter
• Full access to the aluSELECT database and the Copper Key 2.0

Access levels are MATGLOBE Metals Free (after registration), MATGLOBE Metals Standard, and MATGLOBE Metals Professional, plus an individual on-premise solution. Prices are per user and annual subscription plus VAT. Details are on the pricing page.

Registration S-E-L

Register of European Steels according to EN 10027-2: Any European steel producer can submit an application to the European Steel Registration Office to register new steel grades.

• For the allocation of material numbers which are primarily identified by their chemical composition: Form 1
• For the allocation of material numbers which are primarily characterised by their mechanical properties: Form 2

Further information: European Steel Registration Office at VDEh