ASTM A633/A633M-01(2006)
(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 50F [45C] 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 A 633 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 no id found of Specification A 6/A 6M 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.
General Information
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Designation: A633/A633M – 01 (Reapproved 2006)
Standard Specification for
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
1.1 This specification covers normalized high-strength low- 2.1 ASTM Standards:
alloy structural steel plates for welded, riveted, or bolted A6/A6M SpecificationforGeneralRequirementsforRolled
construction. Structural Steel Bars, Plates, Shapes, and Sheet Piling
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
of a comparable strength level is desired. form to the requirements of the current edition of Specification
A6/A6M, for the ordered material, unless a conflict exists in
1.3 Four grades, designated Grades A, C, D, and E (essen-
tially former Specification A633 without a grade designation) which case this specification shall prevail.
arecoveredbythisspecification.GradeAprovidesaminimum
4. Manufacture
yield point of 42 ksi [290 MPa] in thicknesses through 4 in.
4.1 The requirements for fine austenitic grain size in Speci-
[100mm],inclusive.GradesCandDprovideaminimumyield
fication A6/A6M shall be met.
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
5. Heat Treatment
2.50 in. to 4.0 in. [65 to 100 mm], inclusive. Grade E provides
5.1 Thematerialshallbenormalizedbyheatingtoasuitable
a minimum yield point of 60 ksi [415 MPa] in thicknesses up
temperature which produces an austenitic structure, but not
to 4.0 in. [100 mm], inclusive and 55 ksi [380 MPa] in
exceeding 1700°F [925°C], holding a sufficient time to attain
thicknesses over 4 in. to 6 in. [100 to 150 mm], inclusive.
uniform heat throughout the material and cooling in air.
1.4 Current practice normally limits plates furnished under
5.1.1 GradeEmaterialover3in.[75mm]inthicknessshall
this specification to the maximum thicknesses shown in 1.3.
be double normalized.
The individual manufacturer should be consulted on size
5.2 If the purchaser elects to perform the required heat
limitations for other product forms.
treatment, the material shall be accepted on the basis of mill
1.5 When the steel is to be welded, it is presupposed that a
tests made from test coupons heat treated in accordance with
welding procedure suitable for the grade of steel and intended
the purchase order requirements. If the test coupon heat
useorservicewillbeutilized.SeeAppendixX3noidfoundof
treatmentrequirementsarenotindicatedonthepurchaseorder,
Specification A6/A6M for information on weldability.
the manufacturer shall heat treat the test coupons under
1.6 The values stated in either inch-pound units or SI units
conditions considered appropriate. The manufacturer shall
are to be regarded as standard. Within the text, the SI units are
inform the purchaser of the heat-treatment procedure followed
shown in brackets. The values stated in each system are not
in heat treating the test coupons at the mill.
exact equivalents; therefore, each system must be used inde-
pendentlyoftheother.Combiningvaluesfromthetwosystems
6. Chemical Composition
may result in nonconformance with this specification.
6.1 The heat analysis shall conform to the chemical com-
position requirements listed in Table 1.
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel,
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
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 March 1, 2006. Published March 2006. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1970. Last previous edition approved in 2001 as A633/A633M–01. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/A0633_A0633M-01R06. the ASTM website.
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A633/A633M – 01 (2006)
TABLE 1 Chemical Requirements
NOTE—Where “.” appears in this table, there is no requirem
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