ASTM A908-03(2013)
(Specification)Standard Specification for Stainless Steel Needle Tubing
Standard Specification for Stainless Steel Needle Tubing
ABSTRACT
The specification covers austenitic, stainless steel, needle tubing in hard-drawn tempers for industrial application. An electric furnace or other similar primary melting process with or without degassing or refining may be used. Needle tubing shall be made by the seamless or welded and drawn process and shall be furnished in the hard-drawn temper condition. Tension tests shall be made to meet the required tensile requirements.
SCOPE
1.1 This specification covers austenitic, stainless steel, needle tubing in hard-drawn tempers for industrial applications.
1.2 In general, needle tubing describes small-diameter tubing with outside diameters (ODs) in the range of 0.008 to 0.203 in. (0.2 to 5.2 mm) with nominal wall thicknesses in the range of 0.002 to 0.015 in. (0.05 to 0.4 mm). Needle tubing gages are normally 6 through 33.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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Designation:A908 −03 (Reapproved 2013)
Standard Specification for
Stainless Steel Needle Tubing
This standard is issued under the fixed designation A908; 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 4. Process
4.1 An electric furnace or other similar primary melting
1.1 This specification covers austenitic, stainless steel,
process with or without degassing or refining may be used.
needle tubing in hard-drawn tempers for industrial applica-
tions.
5. General Requirements
1.2 In general, needle tubing describes small-diameter tub-
5.1 Material furnished in accordance with this specification
ing with outside diameters (ODs) in the range of 0.008 to 0.203
shall conform to the applicable requirements of the current
in. (0.2 to 5.2 mm) with nominal wall thicknesses in the range
edition of Specification A1016/A1016M, unless otherwise
of 0.002 to 0.015 in. (0.05 to 0.4 mm). Needle tubing gages are
provided herein.
normally 6 through 33.
1.3 The values stated in inch-pound units are to be regarded
6. Manufacture
as standard. The values given in parentheses are mathematical
6.1 Needle tubing shall be made by the seamless or welded
conversions to SI units that are provided for information only
and drawn process and shall be furnished in the hard-drawn
and are not considered standard.
temper condition.
2. Referenced Documents
7. Heat Treatment
2.1 ASTM Standards:
7.1 Unless otherwise specified by the purchaser, no heat
A1016/A1016M Specification for General Requirements for
treatment is required.
Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless
Steel Tubes
8. Chemical Composition
8.1 Stainless steel, Type 304, UNS S30400, in accordance
3. Ordering Information
with Table 1 shall be used.
3.1 Orders for material in accordance with this specification
8.2 HeatAnalysis—Ananalysisofeachheatofsteelshallbe
should include the following, as required, to describe the
made by the manufacturer from samples made during the pour.
material adequately:
The chemical composition thus determined shall meet the
3.1.1 Quantity (feet, metres, or number of lengths),
requirements of Table 1.
3.1.2 Gauge or size (outside diameter and minimum wall
8.3 Product Analysis—An analysis may be made by the
thickness),
purchaser from finished tubing.The chemical composition thus
3.1.3 Length (specific or random), and
determined shall meet the requirements of Table 1.
3.1.4 Test report required (see the section on certification in
Specification A1016/A1016M).
9. Mechanical Properties
9.1 Tensile Requirements—The tubing shall meet the tensile
properties specified in Table 2. Yield strength, elongation, and
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
hardness tests are not required for needle tubing.
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.10 on Stainless and Alloy Steel Tubular Products.
9.2 Number of Tests—Two tension tests for each 5000 ft of
CurrenteditionapprovedJune1,2013.PublishedJuly2013.Originallyapproved
product per heat shal
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