Steel and its innovations Challenges and solutions

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1 Challenges and solutions, Faszination Kleben, ThyssenKrupp Steel Europe

2 3M in Neuss 2 Names, 2 Brands, 2 Products + Challenge: combination of flat steel with bonding 2 ThyssenKrupp Steel Europe

3 3M in Neuss Automotive industry Innovative flat steel products and joining technologies for lightweight design 3 ThyssenKrupp Steel Europe

4 Das Bild kann zurzeit nicht angezeigt werden. ThyssenKrupp AG Group structure ThyssenKrupp Steel Europe Materials Services Elevator Technology Industrial Solutions Components Technology Plant Technology Marine Systems 4 ThyssenKrupp Steel Europe

5 Flat product portfolio of ThyssenKrupp Steel Europe today Representative property range of hot and cold rolled steel grades Deep-drawing steels Conventional high-strength steels Advanced high-strength steels Steels for press hardening 50 DD DC DX HX HSZ *Lieferzustand **nach Warmumformung BHZ FB-W DP RA-K TPN MHZ CP PERFORM MS-W *MBW-K *MBW-W **MBW Tensile strength[mpa] 2000 Elongation A 80 [%] Complete range of modern steels for automotive lightweight construction 5 ThyssenKrupp Steel Europe

6 Intelligent steel-lightweight design Innovations and technologies Hot forming InTruck Cold forming Lightweight 6 ThyssenKrupp Steel Europe

7 The new steel family TPN Innovative high-performance materials for automotive lightweight design Ideal for weight optimization of safety-relevant structural parts High elongation combined with high yield and tensile strengths [ A 80 ] TPN Deep-drawing steels Conventional high-strength steels Advanced high-strength steels MBW steel for hot forming [ R m ] Excellent forming behavior permits highly complex part geometries Cathodic corrosion protection Good spot weldability Available worldwide Mechanical properties in transverse specimens Grade CR HR Status R e [MPa] R m [MPa] A 80 [%] TPN -W 780 Production TPN -W CR: Cold-rolled HR: Hot-rolled High elongation levels set new standards in strength class MPa 7 ThyssenKrupp Steel Europe

8 TPN Family sets new standards in the strength class MPa Weight and cost comparison with the same performance Weight Cost TPN -W 900 DP-K 60/98 RA-K 40/70 Tailored Blank -12% -13% - 7% -19% Reference: Car B-Pillar DP-W 600 (2.00 mm) Lightweighting cost/gain /kg /kg The TPN Family offers lightweight and cost saving opportunities 8 ThyssenKrupp Steel Europe

9 Intelligent steel-lightweight design Innovations and technologies Hot forming InTruck Cold forming Lightweight 9 ThyssenKrupp Steel Europe

10 Stiffness-optimized steel sandwich LITECOR Innovative composite material for automotive lightweight engineering Combines the high strength of steel with the low weight of plastic Cost-effective weight reduction: Lighter than steel, cheaper than aluminum High flexural stiffness and buckling strength Tailor made sandwich layers, asymmetric sandwich possible Entirely suitable for paint shop Damping properties Thermal expansion behaviour equal to steel Outer panels Inner parts Steel sheet 0.2 to 0.3 mm Plastic core layer from approx. 0.3 mm Steel sheet 0.2 to 0.3 mm The economical alternative to aluminum for all large-scale parts 10 ThyssenKrupp Steel Europe

11 Stiffness-optimized sandwich material LITECOR Intensive testing to ensure technical feasibility part processing Successful production of several parts from sandwich material Door Hood Commercial vehicles door Test of part performance according to different criteria in progress 11 ThyssenKrupp Steel Europe

12 Intelligent steel-lightweight design Innovations and technologies Hot forming InTruck Cold forming Lightweight 12 ThyssenKrupp Steel Europe

13 Hot forming steel MBW from ThyssenKrupp Steel Europe Strength levels during the hot forming process Deep-drawing steels Conventional high-strength steels Advanced high-strength steels Steels for press hardening 50 DD MBW DC forming process DX HX HSZ Elongation A 80 [%] MHZ PERFORM BHZ DP MBW 500 MBW as delivered FB-W RA-K TPN CP MS-W Tensile strength[mpa] 2000 Hot forming offers new possibilities in designing trucks MBW 1500 MBW ThyssenKrupp Steel Europe

14 Hot formed steel MBW from ThyssenKrupp Steel Europe Two possible process chains Indirect hot stamping (2-stage process) Cold forming Heating 880 o C-950 o C Press hardening cooled tools Trimming Shot blasting Indirect Hot Stamping (2-stage process) Direct hot stamping (1-stage process) Heating 880 o C-950 o C Press hardening cooled tools Trimming conv. cutting tools or laser 14 ThyssenKrupp Steel Europe

15 MBW :Cost-effective weight reduction of crash-relevant structural parts Weight and cost comparison with the same performance Weight Cost MBW 1500/ MHZ 340 Hotform Blank MBW 1500/ MHZ 340 Hotform Blank with varying sheet tickness MBW 1500 Tailored Tempering MBW 1900 Tailored Tempering -15% -5% -18% - 5% -17% -12% -22% - 9% Reference: Car B-Pillar DP-W 600 (2.00 mm) Lightweighting cost/gain /kg /kg /kg /kg MBW from ThyssenKrupp makes trucks lighter and safer 15 ThyssenKrupp Steel Europe

16 Partial press hardening Manufacturing strategies in the hot forming process chain Tailor Welded Blanks 2 different steel grades Challenge Reduction of the body weight by increase of the part function Furnace Controlled blank temperature Tailored Tempering Adjusted cooling rate Realization Lightweight design due to new steel grades and process strategies 16 ThyssenKrupp Steel Europe

17 Extended applications for hot stamping Tailored Tempering Tool with different temperature zones for defined cooling rates Increased part complexity in comparison to cold stamping, yet at the same time extremely high material strengths Elimination of components (lower B-pillar reinforcement) and the upper/lower welded assembly B-pillar Targeted increase in deformation reserve in lower area of B-pillar reinforcement Soft transition between strength zones has positive impact on crash behavior Transformation temperature in C Approach 2 Cooling time 8/5 in s Heated area 2 Cooled area Hardened Tailored Tempering 1 Example B-pillar For different local properties in monolithic parts 17 ThyssenKrupp Steel Europe

18 Intelligent steel-lightweight design Innovations and technologies Hot forming InTruck Cold forming Lightweight 18 ThyssenKrupp Steel Europe

19 - Innovation on road ThyssenKrupp technology roadshow for the truck industry o o o InTruck is a targeted selection of technologies and products from the ThyssenKrupp Group in the areas of cab/frame, truck body/trailer, chassis and drive. The basis for this is our products contribution to the current trends in the truck industry - Higher payloads - Cost efficiency - Eco-friendliness - Safety and comfort It is being introduced via a customer roadshow and specialist presentations in Europe. Our expertise and support Customer demands Common R&D projects The InTruck roadshow is the starting point for technical dialog with customers and a catalyst for the creation of an interdisciplinary truck project landscape and development partnership 19 Developing the future.

20 Joint range of solutions covers entire truck spectrum ThyssenKrupp's products Cab and frame Hot-formed structural parts BONDAL LITECOR High- and ultrahighstrength steels for coldforming Reference truck cab Suspensions Damping systems BA Steel Europe Customer Requirements Higher payloads Cost efficiency Eco-friendliness Safety Comfort BA Components Technology Trailers and bodies Organic coated sheet High- and ultrahigh steel grades for trucks Powertrain Assembled camshafts concentric cam Lightweight connecting rods 20 Developing the future.

21 Challenges and solutions, Faszination Kleben, ThyssenKrupp Steel Europe