Carbon Steels A572 Grade 50 is stocked by 104 North American distributors and produced by 18 large mills. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required
This material is stocked primarily in Flat Rolled Products by 88 distributors but is also available to a lesser extent in Structurals, Bar Products, and Shapes.
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Specifications
The following specifications cover Carbon Steels A572 Grade 50
No Specifications.
Property Results
Related Metals:
Chemistry Data : [top]
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MSO currently has no data available for this grade.
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Principal Design Features
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ASTM A572 covers structural quality, high strength, columbium-vanadium low alloy steel.
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Applications
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Used for structural steel shapes in the construction of bridges, building or similar structures. It may be joined by riveting, bolting or welding.
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Machinability
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Machinability of Grade 50 alloy is fair. It is basically like AISI 8615 low alloy steel.
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Forming
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This steel contains more alloying elements than plain carbon steel and thus is somewhat more difficult to form.
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Welding
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Weldable by all of the standard methods.
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Heat Treatment
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This steel is used in the "as-supplied" condition. However it is possible to obtain higher level of strength by specifying Quenched and Tempered steel plate as per reference specification ASTM A514 which calls for heating at not less than 1650 F and quenching in water or oil followed by tempering.
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Forging
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This steel is supplied in plate, shapes and bar forms. It is not subsequently forged by the user.
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Hot Working
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Hot working may be done if necessary. Consult the steel supplier for information.
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Cold Working
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Grade 50 is more difficult to cold work than ordinary plain carbon steel. However it can be bent or shaped successfully but requires more force than for plain carbon steel.
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Annealing
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Annealing, if required, can be done at 1700 f and slow furnace cooled.
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Tempering
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Refer to ASTM A 514 for reference on quenched and tempered steel plate. Tempering of the quenched steel is done at a temperature of 1200 to 1300 F.
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Hardening
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Hardens by cold working or by heat treatment, quench and tempering per ASTM A514.
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Other Comments
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This steel is similar to AISI 1330. However Grade 50 requirements are for minimum 50 ksi yield and 65 ksi tensile with 21% elongation. Physical and other mechanical properties are similar to 1330 steel
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Physical Data : [top]
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Density (lb / cu. in.)
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0.284
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Specific Gravity
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7.9
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Specific Heat (Btu/lb/Deg F - [32-212 Deg F])
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0.107
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Melting Point (Deg F)
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2740
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Thermal Conductivity
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360
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Mean Coeff Thermal Expansion
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6.7
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Modulus of Elasticity Tension
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30
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Modulus of Elasticity Torsion
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11
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Mechanical Data : [top]
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MSO currently has no data available for this grade.
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Videos :
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MSO currently has no videos available for this grade.
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Disclaimer
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This publication may include technical inaccuracies or typographical errors. Changes may be periodically made to the information herein.
