sheet metal applications

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Automotive Sheet steels:

Automotive Sheet steels Manikandan . S

Topics :

Topics World wide Automotive scenario & Challenges Sheet steel consumption trend Sheet steel application in automotive Industry Factors of consideration/ challenges in sheet steel Question & Answers

Automotive Sales Trend:

Automotive Sales Trend

Projected Growth for 2011:

Projected Growth for 2011

Slide 5:

Automobile Market Update - India Passenger Vehicles : Key Players: Maruti Suzuki - 45% Tata Motors - 17% Hyundai - 22% Toyota – 4% Honda – 4% Ford General Motors Mahindra Commercial Vehicles: Key Players: Tata Motors Ashok Leyland Eicher New Entrants: Daimler AMW Kamaz Vectra Passenger Vehicles: Key Players: Maruti Suzuki Tata Motors Hyundai Ford General Motors Mahindra Commercial Vehicles: Key Players: Tata Motors Ashok Leyland Eicher New Entrants: Daimler AMW Kamaz Vectra Domestic Sales Trend Exports Trend

Key Challenges to Auto Industry:

Key Challenges to Auto Industry Increasing Fuel price Local Economical fluctuations Increasing Raw material prices Non availability of Human Resource Lack of Infrastructure Demand on Pollution control & stringent Emission norms

Typical constituents of materials In car:

Typical constituents of materials In car

STEEL PRODUCTION TREND – OVERALL:

STEEL PRODUCTION TREND – OVERALL

STEEL CONSUMPTION TREND – OVERALL:

STEEL CONSUMPTION TREND – OVERALL

USA – Consumption pattern:

USA – Consumption pattern

Challenges to Sheet steel:

Challenges to Sheet steel Weight reduction Fuel Economy Manufacturing constraints Invasion of Non metals and Non ferrous metals ( Emerging materials ) Cost of Raw material / Technology

Classification of Sheet steel:

Classification of Sheet steel Mild Steels (Low Carbon) steels with no minimum yield strength requirement, Ferrite , Pearlite , Carbides. ( Normally Y.S less than 25 Ksi ) High Strength Steels (HSS) – steels with a minimum specified yield strength of 180 MPa (30 ksi) and microstructures consisting of ferrite, pearlite, carbides . Examples- C- Mn Structural Steels, HSLA steels . Advanced High Strength Steels (AHSS) – steels with a minimum tensile strength of 500 MPa (72.5 ksi ) and complex microstructures such as ferrite, bainite , martensite, retained austenite, etc. Examples – DP590, TRIP780 . Ultra High Strength Steel (UHSS) - steels with a minimum specified yield strength of 1000 MPa (140 ksi). Examples – 1300MT, PHS.

Automotive Sheet Steels:

Automotive Sheet Steels

Automotive Sheet steels:

Automotive Sheet steels

Other Factors of consideration in Sheet steels:

Other Factors of consideration in Sheet steels Weldability Formability & Drawability Hot dip coating / Electro Coating Corrosion Behaviour Phosphatability

Stress – Strain Graph of Mild / Medium Strength Steel:

Stress – Strain Graph of Mild / Medium Strength Steel

High Strength Low Alloy steel :

High Strength Low Alloy steel

Dual Phase steel :

Dual Phase steel

TRIP steel:

TRIP steel

Hot Stamping steel:

Hot Stamping steel

Hot Stamping - Process:

Hot Stamping - Process

Weight Reduction approach :

Weight Reduction approach

Mechanism of Bake Hardening:

Mechanism of Bake Hardening

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