Forging Ahead

by Brian Fortner, Contributing Editor; Civil Engineering Magazine, ASCE World Headquarters, 1801 Alexander Bell Drive, Reston, VA.,

Serial Information: Civil Engineering—ASCE, 1999, Vol. 69, Issue 4, Pg. 60-61

Document Type: Feature article


More than a dozen bridges in the United States have been built using HPS 70W grade steel, which has a yield strength of 485 MPa (70 ksi) but superior toughness compared to conventional grade 70 steel. Now that the material, known as high-performance steel (HPS), has proven worthy of its praises�which include 10 to 20 percent cost savings in some cases because less material is needed�the industry's HPS steering committee is pushing for code and standard development and manufacturing improvements to make the material even more cost-effective.

Subject Headings: Steel bridges | Standards and codes | Toughness | Structural strength | Strength of materials | Manufacturing | Industries

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