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In the North American steel industry, American Iron and Steel Institute (AISI) members are leaders and innovators. The companies that invest in our programs are using that investment as a catalyst for change to advance steel's competitive edge.  From powertrains, chassis and suspension systems to continuously reinforced concrete pavement (CRCP), reinforced concrete railroad ties, and wire rod and fastener technology, AISI's Long Products Market Development Group (LPMDG) is making steel the material of choice for ground vehicle, construction and other broad-based markets.

The Long Products Market Development Group, formed in 1997, provides a unique forum for long products steel producers.  Through the support of the American Iron and Steel Institute, the LPMDG is growing the market for value-added steel bar and rod products. With seven member companies and two task forces--Automotive/Heavy Equipment and Construction/Infrastructure--the group is committed to developing innovative solutions to the challenges facing their clients and the steel industry.

Through research and development of new product and process technologies, the LPMDG works in partnership with customer groups to develop pre-competitive solutions to meet market challenges. Technology Transfer seminars enhance the technological processes and material innovations occurring in the industry. In tandem with AISI's ability to leverage the accomplishments and engineering contacts of our automotive and construction programs, members are able to access a valuable resource base.



Fatigue
Fatigue Performance Evaluation of Forged Steel vs. Ductile Cast Iron Crankshaft - Executive Summary
The University of Toledo Executive Summary outlines its test results of the fatigue performance of forged steel vs. ductile cast iron crankshafts.
Fatigue Performance Comparison and Life Predictions of Forged Steel and Ductile Cast Iron Crankshafts (5MB)
This study evaluated and compared the fatigue performance of two competing manufacturing technologies for automotive crankshafts.
Bar Steel Fatigue Database
This database provides engineers with accurate and detailed component fatigue life predictions that allows them to optimize critical powertrain and chassis component designs.
Fatigue Performance Evaluation of Forged Versus Competing Manufacturing Process Technologies
This study by the University of Toledo examines manufacturing technologies in order to compare fatigue performance and to develop methodology for durability assessment and efficient optimization.

Machinability
Bar Steel Machinability Estimator
A tool for automotive engineers to generate calculations on the machining productivity of various carbon and alloy steels in carbide tooling applications.
Bar Steel Machinability
The AISI Bar Machinability Sub-committee was formed in 1991 to develop a database of automotive bar steel machinability under single point carbide turning conditions.

Engines
Stress Analysis and Optimization of Crankshafts Subject to Dynamic Loading (6.5 MB)
This study investigated weight and cost reduction opportunities for a forged steel crankshaft.
Dynamic Load Analysis and Optimization of Connecting Rods
An AISI sponsored study confirming the benefits of using C-70 steel that can reduce the cost for making forged connecting rods by 25 percent, and can reduce mass about 10 percent, while enhancing performance and durability.

Articles/News

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