ASTM A480/A480M-99b

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 480/A 480M – 99b
Standard Specification for
General Requirements for Flat-Rolled Stainless and Heat-
Resisting Steel Plate, Sheet, and Strip
This standard is issued under the fixed designation A 480/A 480M; 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 A 263 Specification for Corrosion-Resisting Chromium
Steel-Clad Plate, Sheet, and Strip
1.1 This specification covers a group of general require-
A 264 Specification for Stainless Chromium-Nickel Steel-
ments that, unless otherwise specified in the purchase order or
Clad Plate, Sheet, and Strip
in an individual specification, shall apply to rolled steel plate,
A 265 Specification for Nickel and Nickel-Base Alloy-
sheet, and strip, under each of the following specifications
Clad Steel Plate
issued by ASTM: Specifications A 167, A 176, A 240/A 240M,
A 342 Test Methods for Permeability of Feebly Magnetic
A 263, A 264, A 265, A 666, A 693, A 793, and A 895.
Materials
1.2 In case of any conflicting requirements, the require-
A 370 Test Methods and Definitions for Mechanical Testing
ments of the purchase order, the individual material specifica-
of Steel Products
tion, and this general specification shall prevail in the sequence
A 666 Specification for Austenitic Stainless Steel Sheet,
named.
Strip, Plate, and Flat Bar
1.3 The values stated in either inch-pound units or SI units
A 693 Specification for Precipitation-Hardening Stainless
are to be regarded separately as standard. Within the text, the
and Heat-Resisting Steel Plate, Sheet, and Strip
SI units are shown in brackets. The values stated in each
A 700 Practices for Packaging, Marking, and Loading
system are not exact equivalents; therefore, each system must
Methods for Steel Products for Domestic Shipment
be used independently of the other. Combining values from the
A 751 Test Methods, Practices, and Terminology for
two systems may result in nonconformance with the specifi-
Chemical Analysis of Steel Products
cation.
A 763 Practices for Detecting Susceptibility to Intergranu-
1.4 This specification and the applicable material specifica-
lar Attack in Ferritic Stainless Steels
tions are expressed in both inch-pound and SI units. However,
A 793 Specification for Rolled Floor Plate, Stainless Steel
unless the order specifies the applicable “M” specification
A 895 Specification for Free-Machining Stainless Steel
designation (SI units), the material shall be furnished in
Plate, Sheet, and Strip
inch-pound units.
A 923 Test Methods for Detecting Detrimental Intermetallic
2. Referenced Documents
Phases in Wrought Duplex Austenitic/Ferritic Stainless
Steels
2.1 ASTM Standards:
E 112 Test Methods for Determining the Average Grain
A 167 Specification for Stainless and Heat-Resisting
Size
Chromium-Nickel Steel Plate, Sheet, and Strip
E 140 Hardness Conversion Tables for Metals (Relationship
A 176 Specification for Stainless and Heat-Resisting Chro-
Among Brinell Hardness, Vickers Hardness, Rockwell
mium Steel Plate, Sheet, and Strip
Hardness, Rockwell Superficial Hardness, Knoop Hard-
A 240/A240M Specification for Heat-Resisting Chromium
ness, and Scleroscope Hardness)
and Chromium-Nickel Stainless Steel Plate, Sheet, and
2.2 Federal Standard:
Strip for Pressure Vessels
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
A 262 Practices for Detecting Susceptibility to Intergranu-
2.3 Military Standards:
lar Attack in Austenitic Stainless Steels
MIL-STD-129 Marking for Shipment and Storage
MIL-STD-163 Steel Mill Products, Preparation for Ship-
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
ment and Storage
Stainless Steel and Related Alloys,and is the direct responsibility of Subcommittee
A01.17on Flat-Rolled and Wrought Stainless Steel Products.
Current edition approved Dec. 10, 1999. Published February 2000. Originally
Annual Book of ASTM Standards, Vol 03.04.
published as A 480 – 62 T. Last previous edition A 480/A 480M – 99a. Annual Book of ASTM Standards, Vol 01.05.
2 6
For ASME Boiler and Pressure Vessel Code applications see related Specifi- Annual Book of ASTM Standards, Vol 03.01.
cation SA – 480 in Section II of that Code. Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Annual Book of ASTM Standards, Vol 01.03. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
A 480/A 480M
2.4 AIAG Standard: 4.1.12 Restrictions (if desired) on methods for determining
B-5 Primary Metals Identification Tag Application Stan- yield strength (see appropriate footnote to mechanical proper-
ties table of the basic material specification),
dard
2.5 ANSI Standard: 4.1.13 Marking requirements (see Section 25),
4.1.14 Preparation for delivery (see Section 25), and
Accredited Standards Committee X 12, (ANSI ASC X12)
4.1.15 Magnetic permeability test (when required). Refer to
3. Terminology
Section 19.
3.1 Definitions:
NOTE 1—A typical ordering description is as follows: 200 pieces,
3.1.1 Plate, sheet, strip, and cold work as used in this
stainless steel sheets, 0.060 in. by 48 in. by 120 in., Type 410 No. 2B
specification apply to the following: finish, ASTM A 176-XX.
3.1.2 plate—material ⁄16 in. [5.00 mm] and over in thick-
5. Process
ness and over 10 in. [250 mm] in width. Finishes for plate are
5.1 The steel shall be manufactured/produced by the follow-
actually shown in Section 13.
ing or as specified in the applicable material specification.
3.1.3 sheet—material under ⁄16 in. [5.00 mm] in thickness
5.1.1 The steel shall be made by one of the following
and 24 in. [600 mm] and over in width. Finishes for sheet are
processes: electric-arc, electric-induction, or other suitable
actually shown in Section 11.
processes.
3.1.4 strip—cold-rolled material under ⁄16 in. [5.00 mm] in
5.1.2 If a specific type of melting is required by the
thickness and under 24 in. [600 mm] in width. Finishes are
purchaser, it shall be so specified on the purchase order.
detailed in Section 12 for strip, and strip edges in Section 14
for Cold-Rolled Strip.
6. Heat Analysis
3.1.5 cold work—the changing of mechanical properties by
6.1 An analysis of each heat shall be made by the steel
work hardening.
producer to determine the percentages of the elements specified
in the applicable material specification. This analysis shall be
4. Ordering Information
made from a test sample taken during the pouring of the melt,
4.1 It is the responsibility of the purchaser to specify all
or from the in-process product later in the manufacturing flow.
requirements that are necessary for material ordered under this
The chemical composition thus determined shall conform to
specification. Such requirements may include, but are not
the applicable material specification.
limited to, the following:
6.2 Methods and practices relating to chemical analysis
4.1.1 Quantity (weight and number of pieces),
shall be in accordance with Test Methods, Practices, and
4.1.2 Name of material (stainless steel),
Terminology A 751.
4.1.3 Condition (hot-rolled, cold-rolled, annealed, heat-
6.3 The steel shall not contain an unspecified element for
treated),
the ordered grade to the extent that the steel conforms to the
4.1.4 Finish (see Section 11 for Sheet, Section 12 for Strip,
requirements of another grade for which that element is a
and Section 13 for Plates). In the case of polished finishes,
specified element having a required minimum content. For this
specify whether one or both sides are to be polished,
requirement, a grade is defined as an alloy described individu-
4.1.5 Temper (if the applicable material specification re-
ally and identified by its own UNS designation in a table of
quires this detail),
chemical requirements within this specification or any specifi-
4.1.6 Form (plate, sheet, or strip),
cation listed within the scope as being covered by the specifi-
4.1.7 Dimensions (thickness, width, length),
cation.
4.1.7.1 Thickness shall be ordered to decimal or fractional
7. Product Analysis
thickness. The use of the gage number is discouraged as being
an archaic term of limited usefulness not having general 7.1 Product analysis (formerly check analysis) may be made
by the purchaser to verify the identity of the finished material
agreement on meaning. The gage number shall not be a basis
for rejection. representing each heat or lot. Such analysis may be made by
any of the commonly accepted methods that will positively
4.1.7.2 Thickness, width, and length, when applicable,
should be ordered in the same units, for example, 0.060 in. by identify the material.
7.2 The chemical composition determined in accordance
48 in. by 120 in. (1.52 mm by 1219 mm by 3048 mm).
4.1.8 Edge, strip only (see Section 14 for Cold-Rolled with 7.1 shall conform to the limits of the material specification
within the tolerances of Table A1.1, unless otherwise specified
Strip),
in the applicable material specification or the purchase order.
4.1.9 Type or UNS designation, refer to the applicable
material specification, The allowable variation of a particular element in a single
sample for product analysis may be either above or below the
4.1.10 Specification designation and date of issue,
4.1.11 Additions to specification or special requirements, specified range. However, percentages must exhibit the same
tendencies in all samples; that is, the several determinations of
any individual element in a heat may not vary both above and
8 below the specified range.
Available from the Automotive Industry Action Group, 26200 Lahser, Suite
200, Southfield, MI 48034.
8. Material Test Report and Certification
Available from American National Standards Institute (ANSI), 655 15th Street,
Washington, DC 20005. 8.1 A report of the results of all tests required by the product
A 480/A 480M
specification shall be supplied to the purchaser. This material 11. Finish for Sheet
test report shall reference the product specification designation
11.1 The types of finish available on sheet products are:
and year date indicating that the material was manufactured,
11.1.1 No. 1 Finish—Hot-rolled, annealed, and descaled.
sampled, tested, and inspected in accordance with requirements
11.1.2 No. 2D Finish—Cold-rolled, dull finish.
of the product specification and has been found to meet those
11.1.3 No. 2B Finish—Cold-rolled, bright finish.
requirements. The material test report shall report the melting
11.1.3.1 Bright Annealed Finish—A bright cold-rolled fin-
process when the purchase order requires either a specific type
ish retained by final annealing in a controlled atmosphere
of melting or requires that the melting process used is to be
furnace.
reported.
11.1.4 No. 3 Finish—Intermediate polished finish, one or
8.1.1 The report shall indicate the type of steel. If certifying
both sides.
that the material conforms to the requirements for more than
11.1.5 No. 4 Finish—General purpose polished finish, one
one type of steel, the manufacturer may indicate each type of
or both sides.
steel on the report, or may issue a separate report for each type
11.1.6 No. 6 Finish—Dull satin finish, Tampico brushed,
of steel.
one or both sides.
8.2 A signature is not required on the report. However, the
11.1.7 No. 7 Finish—High luster finish.
document shall clearly identify the organization submitting the
11.1.8 No. 8 Finish—Mirror finish.
report.
11.1.9 TR Finish—Cold-worked to obtain specified proper-
8.3 A material test report, certificate of inspection, or
ties.
simular document printed from or used in electronic form from
NOTE 4—Explanation of Sheet Finishes:
an electronic data interchange (EDI) transmission shall be
No. 1—This finish is produced by hot rolling to specified thickness
regarded as having the same validity as a counterpart printed in
followed by annealing and descaling. It is generally used in industrial
the certifiers’ facility. The content of the EDI transmitted
applications, such as for heat and corrosion resistance, where smoothness
document must meet the requirements of the invoked ASTM of finish is not of particular importance.
No. 2D—Produced on either hand sheet mills or continuous mills by
standard(s) and conform to any existing EDI agreement be-
cold rolling to the specified thickness, annealing, and descaling. The dull
tween the purchaser and the supplier. Notwithstanding the
finish may result from the descaling or pickling operation or may be
absence of a signature, the organization submitting the EDI
developed by a final light cold-rolled pass on dull rolls. The dull finish is
transmission is responsible for the content of the report.
favorable for retention of lubricants on the surface in deep drawing
8.4 When finished material is supplied to a purchase order
operations. This finish is generally used in forming deep-drawn articles
specifying the product specification, the organization supply- which may be polished after fabrication.
No. 2B—Commonly produced the same as 2D, except that the annealed
ing that material shall provide the purchaser with a copy of the
and descaled sheet receives a final light cold-rolled pass on polished rolls.
original manufacturer’s test report.
This is a general purpose cold-rolled finish. It is commonly used for all but
NOTE 2—Notwithstanding the absence of a signature, the organization exceptionally difficult deep drawing applications. This finish is more
submitting the report is responsible for the content of the report. readily polished than No. 1 or No. 2D Finish.
Bright Annealed Finish is a bright cold-rolled highly reflective finish
NOTE 3—The industry definition as invoked here is: EDI is the
retained by final annealing in a controlled atmosphere furnace. The
computer-to-computer exchange of business information in a standard
purpose of the atmosphere is to prevent scaling or oxidation during
format such as ANSI ASC X 12.
annealing. The atmosphere is usually comprised of either dry hydrogen or
a mixture of dry hydrogen and dry nitrogen (sometimes known as
9. Permitted Variations in Dimensions and Weight
dissociated ammonia).
9.1 Sheet, strip, and plate shall conform to the permitted
No. 3—For use as a finish-polished surface or as a semifinished-
variations in thickness, width, length and flatness, and other polished surface when it is required to receive subsequent finishing
operations following fabrication. Where sheet or articles made f
...