About Us
The Long Products Market Development Group (LPMDG), formed in 1997, provides a unique forum for long products steel producers. Through the support of Steel Market Development Institute, the LPMDG is growing the market for value-added steel bar and rod products. With member companies and 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.
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Contact Us
Steel Market Development Institute
2000 Town Center Suite 320
Southfield, MI 48075
248.945.4777Blog Archive
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- 1541 steel
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Tag Archives: high hardness
Fatigue Properties of Case-Carburized SAE 4320
Previously, the strain-controlled fatigue properties of the high hardness case and the lower hardness core of carburized low alloy steels were compared. The properties of the case were developed through simulation by diffusing carbon completely through fatigue specimen blanks. The … Continue reading
Posted in News
Tagged carburized steels, case/core composite, fatigue-specimen, high hardness, SAE 4320, SAE 8620 steel, strain-life curves
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Comparison of the Case and Core Properties of Carburized Steels
In recent postings, the strain-controlled fatigue properties of the high-hardness case and low-hardness core of induction hardened steels were compared. It was shown that at short lives, the softer core outperformed the high-hardness case. At long life, the fatigue properties … Continue reading
Posted in News
Tagged bainite, carburized steels, Case hardening, fatigue, high hardness, induction, induction hardened steels, martensite, strain-life
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