Chemical Composition and Mechanical Properties of ASTM A709 HPS100W Steel

ASTM A709 HPS100W is a high-performance steel with the following properties:

Applications and Uses in Bridge Construction

ASTM A709 HPS100W steel is primarily used in:

• Long-span bridge girders
• Heavy load-bearing structural components
• Areas requiring high strength-to-weight ratios

For example, the Langtree Road bridge in Iredell County, North Carolina, uses HPS100W in a hybrid configuration with HPS70W steel.

Manufacturing Process and Available Dimensions

HPS100W is typically produced through quenching and tempering processes. Available dimensions may vary by manufacturer, but general ranges for plate products include:

Comparison of HPS100W with Other A709 Grades

Welding and Fabrication Considerations

HPS100W requires careful welding procedures to maintain its properties:

• Preheat and interpass temperature control
• Selection of appropriate filler metals
• Post-weld heat treatment may be necessary

Cost-Effectiveness and Performance Benefits

While HPS100W has a higher initial cost, it can provide:

• Reduced material usage due to higher strength
• Longer spans and more efficient designs
• Potential for overall project cost savings in large structures

At HL Steel Company, we offer high-quality ASTM A709 HPS100W steel products for bridge and structural applications, ensuring optimal performance and durability for your projects.