A514 is a particular type of high strength

steel Steel is an alloy of iron and carbon that demonstrates improved mechanical properties compared to the pure form of iron. Due to steel's high Young's modulus, elastic modulus, Yield (engineering), yield strength, Fracture, fracture strength a ...

, which is

quenched In materials science, quenching is the rapid cooling of a workpiece in water, gas, oil, polymer, air, or other fluids to obtain certain material properties. A type of heat treating, quenching prevents undesired low-temperature processes, such a ...

and tempered alloy steel, with a yield strength of 100,000

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(100 ksi or approximately 700

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). The

ArcelorMittal ArcelorMittal S.A. is a Luxembourg-based multinational steel manufacturing corporation, headquartered in Luxembourg City. It is ranked second on the list of steel producers behind Baowu, and had an annual crude steel production of 58 millio ...

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ed name is T-1.ArcelorMittal A514 T1 Product Brochure
/ref> A514 is primarily used as a

structural steel Structural steel is steel used for making construction materials in a variety of shapes. Many structural steel shapes take the form of an elongated beam having a profile of a specific cross section (geometry), cross section. Structural steel sha ...

for building construction. A517 is a closely related alloy that is used for the production of high-strength

pressure vessel A pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. Construction methods and materials may be chosen to suit the pressure application, and will depend on the size o ...

s. This is a standard set by the standards organization

ASTM International ASTM International, formerly known as American Society for Testing and Materials, is a standards organization that develops and publishes voluntary consensus technical international standards for a wide range of materials, products, systems and s ...

, a voluntary standards development organization that sets technical standards for materials, products, systems, and services.

Specifications

A514

The tensile yield strength of A514 alloys is specified as at least for thicknesses up to thick plate, and at least

ultimate tensile strength Ultimate tensile strength (also called UTS, tensile strength, TS, ultimate strength or F_\text in notation) is the maximum stress that a material can withstand while being stretched or pulled before breaking. In brittle materials, the ultimate t ...

, with a specified ultimate range of . Plates from thick have specified strength of (yield) and (ultimate).

A517

A517 steel has equal tensile yield strength, but slightly higher specified ultimate strength of for thicknesses up to and for thicknesses .

Usage

A514 steels are used where a weldable, machinable, very high strength steel is required to save weight or meet ultimate strength requirements. It is normally used as a

in building construction, cranes, or other large machines supporting high loads. In addition, A514 steels are specified by military standards (ETL 18-11) for use as small-arms firing range baffles and deflector plates.

References

{{Reflist Steels Structural steel