ASTM A685-84

Specification for Machined Flat and Square Tool Steel Bars (Withdrawn 1985)

General Information

• Status: Withdrawn
• ICS: 77.140.10 - Heat-treatable steels
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.29 - Tool Steels

Standards Content (Sample)

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= 9009276 0004029 741 m
Designation: A 685 - 84
CisTii
AMERICAN SOCIETY FOR TESTING ANO MATERIALS
1916 Race St., Philadelphia. Pa. 19103
Reprinted from the Annual Book of ASN Standards. Copyright ASTM
If not listed in the current combined index, will appear in the next edition.
Standard Specification for
MACHINED FLAT AND SQUARE TOOL STEEL BARS’
This standard is ¡.sued under the fixed designation A 685; the number immediately following the designation indicates the year of
original adoption or, in the casc of revision, the year of last revision. A number in parentheses indicates the year of last rrapprovai.
A superscript epsilon (6) indicates an editorial change since the last revision or rmpproval.
This sperijiccllion has been approved for use by agencies of the Department of Ddme and for listing in the DoD index of
specl$auìomandst~.
1. scope 4.2 Each type of tool steel shall conform to
the applicable chemical, mechanical, and metai-
1.1 This specification covers ten types of tool
lurgical requirements of the latest issue of Speci-
steel, establishes bar sizes, and the dimensional
fication A 68 1.
and surface requirements for flat and square alloy
tool steel bars machined on all four sides, or cut
S. BarSi
from machined plate.
5.1 The width and thickness dimensions for
1.2 Utilization of the specified standard prod-
standard flat and square machined tool steel bars
ucts, which are free of decarburization and other
are tabulated in Table 1. The bars are furnished
surface imperfections, will benefit consumer and
oversize to allow for finishing after heat treating.
supplier by permitting improved service, reduced
For larger sizes, refer to the producer.
inventories, superior quality, and economy.
NOTE-The values stated in inch-pound units are to
6. Permissible Dimensional Variations
be regarded as the standard.
6.1 All flat and square machined tool steel
2. Applicable Document
bars shall conform to the size, straightness,
2.1 ASTM Standard:
squareness, and surface finish requirements of
A 68 1 Specification for Alloy Tool Steels2
Table 2.
3. Ordering Information
7. Packaging and Marking
3.1 Purchase orders shall include the follow-
7.1 Each bar shall be packaged to protect it
ing information to describe the desired material:
from damage in shipping and in handling. It shall
3.1.1 ASTM specification number and date of
also be surface treated with a corrosion prevent-
issue.
ative that can be removed readily without dam-
3.1.2 Name of material (machined tool steel
age to the bar.
bar),
7.2 Each lot of material shall be marked with
3.1.3 Type of material (06, D2, S7, etc.),
the purchase order number, type of tool steel,
3.1.4 Shape (flat, square),
size, weight, and ASTM specification number
3.1.5 Dimensions (thickness, width, length),
A 685 to assure proper identification.
3.1.6 Condition (annealed), and
3.1.7 Special requirements. 8. Inspection, Rejection, and Rehearing
8.1 The procedures and requirements of the
4. Material
latest issue of Specification A 68 1 shall apply.
4.1 Ten standard types of tool steel are repre-
sented. They include: cold-work air-hardening
-
I This specification is under the jurisdiction of ASTM Com-
A2, A4* and A6;
oil-hardening
mittee A-1 on Steel, Stainless Steel and Related Alloys and is
Types 0 1, 0
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