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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Steel Market Development Institute
2000 Town Center Suite 320
Southfield, MI 48075
248.945.4777Blog Archive
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Tag Archives: SAE 4620 steel
Comparison of Case Hardening by Carburizing Versus Surface Induction Hardening
In past postings, the case and core properties of case hardened steels have been discussed. These discussions have included the fatigue properties of both carburized and surface induction hardened steels. Carburizing is usually employed on carbon or low alloy steels … Continue reading
Posted in News
Tagged bainite, carburized steels, ferrite, hardness, martensite, mechanical properties, SAE 1070 steel, SAE 4620 steel
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Effect of Continuous Casting Practice on the Case and Core Properties of Carburized Alloy Steels
In the previous posting, the strain-controlled fatigue properties of the high-hardness case and low-hardness core of carburized SAE 4620 steel were compared. It was shown that at short lives, the softer core exhibited better properties than the high-hardness case. At … Continue reading
Posted in News
Tagged bainite, billets, fatigue, martensite, SAE 4620 steel, strain-controlled fatigue
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Bar Fatigue Blog 