ASTM A633/A633M-13
(Specification)Standard Specification for Normalized High-Strength Low-Alloy Structural Steel Plates
Standard Specification for Normalized High-Strength Low-Alloy Structural Steel Plates
ABSTRACT
This specification covers normalized high-strength low-alloy structural steel plates for welded, riveted, or bolted construction. This material is suited for low ambient temperatures where the desired notch toughness is better than that expected in as-rolled materials of comparable strength level. The material shall have fine austenitic grain size and shall be normalized by heat treatment. Its chemical composition shall be determined by heat analysis. Tension tests shall also be done.
SCOPE
1.1 This specification covers normalized high-strength low-alloy structural steel plates for welded, riveted, or bolted construction.
1.2 This material is particularly suited for service at low ambient temperatures of −50°F [−45°C] and higher where notch toughness better than that expected in as-rolled material of a comparable strength level is desired.
1.3 Four grades, designated Grades A, C, D, and E (essentially former Specification A633 without a grade designation) are covered by this specification. Grade A provides a minimum yield point of 42 ksi [290 MPa] in thicknesses through 4 in. [100 mm], inclusive. Grades C and D provide a minimum yield point of 50 ksi [345 MPa] in thicknesses up to 2.50 in. [65 mm], inclusive and 46.0 ksi [315 MPa] in thicknesses over 2.50 in. to 4.0 in. [65 to 100 mm], inclusive. Grade E provides a minimum yield point of 60 ksi [415 MPa] in thicknesses up to 4.0 in. [100 mm], inclusive and 55 ksi [380 MPa] in thicknesses over 4 in. to 6 in. [100 to 150 mm], inclusive.
1.4 Current practice normally limits plates furnished under this specification to the maximum thicknesses shown in 1.3. The individual manufacturer should be consulted on size limitations for other product forms.
1.5 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.
1.6 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with this specification.
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Designation:A633/A633M −13
Standard Specification for
1
Normalized High-Strength Low-Alloy Structural Steel Plates
This standard is issued under the fixed designationA633/A633M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This specification covers normalized high-strength low-
A6/A6MSpecification for General Requirements for Rolled
alloy structural steel plates for welded, riveted, or bolted
Structural Steel Bars, Plates, Shapes, and Sheet Piling
construction.
1.2 This material is particularly suited for service at low 3. General Requirements for Delivery
ambient temperatures of −50°F [−45°C] and higher where
3.1 Material furnished under this specification shall con-
notch toughness better than that expected in as-rolled material
form to the requirements of the current edition of Specification
of a comparable strength level is desired.
A6/A6M, for the ordered material, unless a conflict exists in
which case this specification shall prevail.
1.3 Four grades, designated GradesA, C, D, andE (essen-
tially former Specification A633 without a grade designation)
4. Manufacture
arecoveredbythisspecification.GradeAprovidesaminimum
4.1 The requirements for fine austenitic grain size in Speci-
yield point of 42ksi [290MPa] in thicknesses through 4in.
fication A6/A6M shall be met.
[100mm],inclusive.GradesCandDprovideaminimumyield
point of 50ksi [345MPa] in thicknesses up to 2.50in.
5. Heat Treatment
[65mm], inclusive and 46.0ksi [315MPa] in thicknesses over
5.1 Thematerialshallbenormalizedbyheatingtoasuitable
2.50in. to 4.0in. [65 to 100mm], inclusive. GradeE provides
temperature which produces an austenitic structure, but not
a minimum yield point of 60ksi [415MPa] in thicknesses up
exceeding 1700°F [925°C], holding a sufficient time to attain
to 4.0in. [100mm], inclusive and 55ksi [380MPa] in thick-
uniform heat throughout the material and cooling in air.
nesses over 4in. to 6in. [100 to 150mm], inclusive.
5.1.1 GradeEmaterialover3in.[75mm]inthicknessshall
1.4 Current practice normally limits plates furnished under
be double normalized.
this specification to the maximum thicknesses shown in 1.3.
5.2 If the purchaser elects to perform the required heat
The individual manufacturer should be consulted on size
treatment, the material shall be accepted on the basis of mill
limitations for other product forms.
tests made from test coupons heat treated in accordance with
1.5 When the steel is to be welded, it is presupposed that a
the purchase order requirements. If the test coupon heat
welding procedure suitable for the grade of steel and intended
treatmentrequirementsarenotindicatedonthepurchaseorder,
use or service will be utilized. See AppendixX3 of Specifica-
the manufacturer shall heat treat the test coupons under
tion A6/A6M for information on weldability.
conditions considered appropriate. The manufacturer shall
inform the purchaser of the heat-treatment procedure followed
1.6 The values stated in either inch-pound units or SI units
in heat treating the test coupons at the mill.
are to be regarded as standard. Within the text, the SI units are
shown in brackets. The values stated in each system are not
6. Chemical Composition
exact equivalents; therefore, each system must be used inde-
6.1 The heat analysis shall conform to the chemical com-
pendentlyoftheother.Combiningvaluesfromthetwosystems
position requirements listed in Table 1.
may result in nonconformance with this specification.
6.2 The steel shall conform on product analysis to the
requirements prescribed in Table 1, subject to the product
analysis tolerances in Specification A6/A6M.
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
2
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock and Ships. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Oct. 15, 2013. Published November 2013. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1970. Last previous edition approved in 2011 as A633/ Standards volume information, refer to the standard’s Document Summary page on
A633M–01(2011). DOI: 10.1520/A0633_A0633M-13. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: A633/A633M − 01 (Reapproved 2011) A633/A633M − 13
Standard Specification for
1
Normalized High-Strength Low-Alloy Structural Steel Plates
This standard is issued under the fixed designation A633/A633M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope Scope*
1.1 This specification covers normalized high-strength low-alloy structural steel plates for welded, riveted, or bolted
construction.
1.2 This material is particularly suited for service at low ambient temperatures of −50°F [−45°C] and higher where notch
toughness better than that expected in as-rolled material of a comparable strength level is desired.
1.3 Four grades, designated Grades A, C, D, and E (essentially former Specification A633 without a grade designation) are
covered by this specification. Grade A provides a minimum yield point of 42 ksi [290 MPa] in thicknesses through 4 in. [100 mm],
inclusive. Grades C and D provide a minimum yield point of 50 ksi [345 MPa] in thicknesses up to 2.50 in. [65 mm], inclusive and
46.0 ksi [315 MPa] in thicknesses over 2.50 in. to 4.0 in. [65 to 100 mm], inclusive. Grade E provides a minimum yield point of
60 ksi [415 MPa] in thicknesses up to 4.0 in. [100 mm], inclusive and 55 ksi [380 MPa] in thicknesses over 4 in. to 6 in. [100 to
150 mm], inclusive.
1.4 Current practice normally limits plates furnished under this specification to the maximum thicknesses shown in 1.3. The
individual manufacturer should be consulted on size limitations for other product forms.
1.5 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use
or service will be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.
1.6 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the SI units are shown
in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the
other. Combining values from the two systems may result in nonconformance with this specification.
2. Referenced Documents
2
2.1 ASTM Standards:
A6/A6M Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling
3. General Requirements for Delivery
3.1 Material furnished under this specification shall conform to the requirements of the current edition of Specification
A6/A6M, for the ordered material, unless a conflict exists in which case this specification shall prevail.
4. Manufacture
4.1 The requirements for fine austenitic grain size in Specification A6/A6M shall be met.
5. Heat Treatment
5.1 The material shall be normalized by heating to a suitable temperature which produces an austenitic structure, but not
exceeding 1700°F [925°C], holding a sufficient time to attain uniform heat throughout the material and cooling in air.
5.1.1 Grade E material over 3 in. [75 mm] in thickness shall be double normalized.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.02
on Structural Steel for Bridges, Buildings, Rolling Stock and Ships.
Current edition approved April 1, 2011Oct. 15, 2013. Published May 2011November 2013. Originally approved in 1970. Last previous edition approved in 20062011 as
A633/A633M – 01 (2006).(2011). DOI: 10.1520/A0633_A0633M-01R11.10.1520/A0633_A0633M-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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A633/A633M − 13
TABLE 1 Chemical Requirements
NOTE 1—Where “.” appears in this table, there is no requirement.
A
Element Grade A, % Grade C, % Grade D, % Grade E, %
Carbon, max 0.18 0.20 0.20 0.22
Manganese:
B
1
1 ⁄2 in. [40 mm] and under in thickness 1.00–1.35 1.15–1.50 0.70–1.35 1.15–1.5
...
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