Standard Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance

ABSTRACT
This specification covers standards for high-strength, low-alloy, hot-rolled and cold-rolled steel sheets and strips cut in lengths or coils for structural and miscellaneous purposes. The material shall come in Types 2 and 4 steels having enhanced atmospheric corrosion resistance. The material shall follow specified carbon, manganese, and sulfur contents. Tension test shall be performed and material shall comply with tensile strength, yield strength, and elongation requirements. Edges and surface finish of the materials shall conform to specifications. Guidelines for retests are also given.
SCOPE
1.1 This specification covers high-strength, low-alloy, hot- and cold-rolled sheet and strip in cut lengths or coils, intended for use in structural and miscellaneous purposes, where savings in weight or added durability are important. These steels have enhanced atmospheric corrosion resistance and are supplied in two types: Type 2 contains 0.20 minimum copper based on cast or heat analysis (0.18 minimum Cu for product check). Type 4 contains additional alloying elements and provides a level of corrosion resistance substantially better than that of carbon steels with or without copper addition (Note 1). When properly exposed to the atmosphere, Type 4 steel can be used bare (unpainted) for many applications.
Note 1—For methods of establishing the atmospheric corrosion resistance of low-alloy steels, see Guide G 101.
1.2 The values stated in inch-pound units are to be regarded as the standard.

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Publication Date
29-Feb-2004
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ASTM A606-04 - Standard Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A 606 – 04
Standard Specification for
Steel, Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled
and Cold-Rolled, with Improved Atmospheric Corrosion
1
Resistance
This standard is issued under the fixed designation A 606; 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 (e) 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* G 101 Guide for Estimating the Atmospheric Corrosion
Resistance of Low-Alloy Steels
1.1 This specification covers high-strength, low-alloy, hot-
and cold-rolled sheet and strip in cut lengths or coils, intended
3. General Requirements for Delivery —
foruseinstructuralandmiscellaneouspurposes,wheresavings
3.1 Material furnished under this specification shall con-
in weight or added durability are important. These steels have
form to the applicable requirements of the current edition of
enhanced atmospheric corrosion resistance and are supplied in
Specification A 568/A 568M and the dimensional tolerance
two types: Type 2 contains 0.20 % minimum copper based on
tables of Specification A 109/A 109M, unless otherwise pro-
cast or heat analysis (0.18 % minimum Cu for product check).
vided herein.
Type 4 contains additional alloying elements and provides a
level of corrosion resistance substantially better than that of
4. Ordering Information
carbon steels with or without copper addition (Note 1). When
4.1 Orders for material under this specification shall include
properly exposed to the atmosphere, Type 4 steel can be used
the following information, as required, to describe adequately
bare (unpainted) for many applications.
the desired material:
NOTE 1—For methods of establishing the atmospheric corrosion resis-
4.1.1 ASTM specification number and date of issue, and
tance of low-alloy steels, see Guide G 101.
type,
1.2 The values stated in inch-pound units are to be regarded
4.1.2 Name of material (high-strength low-alloy hot-rolled
as the standard.
sheet or strip or high-strength low-alloy cold-rolled sheet or
strip),
2. Referenced Documents
4.1.3 Condition (specify oiled or dry, as required),
2
2.1 ASTM Standards:
4.1.4 Edges (must be specified for hot-rolled sheet or strip)
A 109/A 109M Specification for Steel, Strip, Carbon (0.25
(see 8.1),
Maximum Percent), Cold-Rolled
4.1.5 Finish—Cold-rolled only (indicate exposed (E) or
A 568/A 568M Specification for Steel, Sheet, Carbon, and
unexposed (U). Matte (dull) finish will be supplied unless
High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled,
otherwise specified), and
General Requirements for
4.1.6 Dimensions(thickness,width,andwhethercutlengths
A 749/A 749M Specification for Steel, Strip, Carbon and
or coils).
High-Strength, Low-Alloy, Hot-Rolled, General Require-
4.1.6.1 As agreed upon between the purchaser and the
ments for
producer, material ordered to this specification will be supplied
to meet the appropriate standard or restricted thickness toler-
ance table shown in Specification A 568/A 568M.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
NOTE 2—Not all producers are capable of meeting all of the limitations
Stainless Steel and RelatedAlloys, and is the direct responsibility of Subcommittee
of the thickness tolerance tables in Specification A 568/A 568M. The
A01.19 on Steel Sheet and Strip.
purchaser should contact the producer regarding possible limitations prior
Current edition approved March 1, 2004. Published March 2004. Originally
to placing an order.
approved in 1970. Last previous edition approved in 2001 as A 606 – 01.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.1.7 Coil size (must include inside diameter, outside diam-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
eter, and maximum weight),
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 4.1.8 Application (show part identification and description),
*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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A606–04
A
TABLE 2 Tensile Requirements for Hot-Rolled Material
4.1.9 Special requirements (if required), and
4.1.10 Castorheat(formerlyladle)analysisandmechanical Annealed or
As-Rolled
Normalized
properties report (if required) (see 10.1).
Tensile strength, min ksi (MPa) 70 (480) 65 (450)
NOTE 3—A typical ordering description is as follows: “ASTM
Yield strength, min, ksi (MPa) 50 (340) 45 (310)
A 606–XX,Type4h
...

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