Carbon Steels A515 Grade 70 is stocked by 5 North American distributors and produced by 4 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 5 distributors.
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Specifications
The following specifications cover Carbon Steels A515 Grade 70
- ASTM A515 Grade 70
- UNS K03101
Property Results
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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A515 covers carbon steel plate for use in pressure vessels at ambient and higher temperature service. The alloy involved for the specification is basically similar to AISI 1330 steel.
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Applications
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Used for high strength plate that is fabricated into pressure vessels for intermediate and higher temperature service such as boilers.
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Machinability
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Machinability is good, similar to that of the plain carbon steels.
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Forming
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The alloy is readily formed by conventional methods.
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Corrosion Resistance
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This is essentially a plain carbon steel and is not corrosion resistant. It will rust unless protected.
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Welding
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This specification cover plate steel that is intended to be fabricated by welding. Thus it is readily weldable by standard methods.
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Heat Treatment
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Plate material to this specification is supplied in the "as rolled" or normalized or stress relieved condition. Further heat treatment is not covered by this specification.
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Forging
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Material is supplied as plate and not subjected to later forging.
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Hot Working
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If need be this plate material could be hot worked. Consult the alloy supplier for temperature and treatment information.
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Cold Working
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Plate material may be readily bent or cold formed as is typical of plain carbon steels.
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Annealing
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Annealing is not covered by this specification. However the steel involved can be annealed at 1600 f and slow cooled.
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Tempering
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Not applicable.
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Hardening
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This specification does not cover hardening by heat treatment and quenching, although the steel is capable of such.
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Other Comments
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The Grade 70 material must meet a minimum of 70 ksi tensile strength with 21% minimum elongation. The physical and mechanical properties of this steel are similar to those of AISI 1330 steel.
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Other Mechanical Props
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PVQ
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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.
