ASTM A908-03

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: A 908 – 03
Standard Specification for
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Stainless Steel Needle Tubing
This standard is issued under the fixed designation A 908; 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.
TABLE 1 Chemical Requirements
1. Scope*
Carbon 0.08 max
1.1 This specification covers austenitic, stainless steel,
Manganese 2.00 max
needle tubing in hard-drawn tempers for industrial applica-
Phosphorous 0.040 max
tions. Sulfur 0.030 max
Silicon 0.75 max
1.2 In general, needle tubing describes small-diameter tub-
Chromium 18.0–20.0
ing with outside diameters (ODs) in the range of 0.008 to 0.203
Nickel 8.0–11.0
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.
5. General Requirements
1.3 The values stated in inch-pound units are to be regarded
5.1 Material furnished in accordance with this specification
as the standard. The values given in parentheses are for
information only. shall conform to the applicable requirements of the current
edition of Specification A 1016/A 1016M, unless otherwise
2. Referenced Documents
provided herein.
2.1 ASTM Standards:
A 1016/A 1016M Specification for General Requirements
TABLE 2 Tensile Requirements
for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stain-
2 Tensile strength, ksi (MPa) 150–200 (1030–1370)
less Steel Tubes
3. Ordering Information
3.1 Orders for material in accordance with this specification
6. Manufacture
should include the following, as required, to describe the
6.1 Needle tubing shall be made by the seamless or welded
material adequately:
and drawn process and shall be furnished in the hard-drawn
3.1.1 Quantity (feet, metres, or number of lengths),
temper condition.
3.1.2 Gage or size (outside diameter and minimum wall
thickness),
7. Heat Treatment
3.1.3 Length (specific or random), and
7.1 Unless otherwise specified by the purchaser, no heat
3.1.4 Test report required (see the section on certification in
treatment is required.
Specification A 1016/A 1016M).
8. Chemical Composition
4. Process
8.1 Stainless steel, Type 304, UNS S30400, in accordance
4.1 An electric furnace or other similar primary melting
with Table 1 shall be used.
process with or without degassing or refining may be used.
8.2 Heat Analysis—An analysis of each heat of steel shall
be made by the manufacturer from samples made during the
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pour.The chemical composition thus determined shall meet the
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
requirements of Table 1.
A01.10 on Stainless and Alloy Steel Tubular Products.
8.3 Product Analysis—An analysis may be made by the
Current edition approved April 10, 2003. Published May 2003. Originally
purchaser from finished tubing.The chemical composition thus
approved in 1991. Last previous edition approved in 1998 as A 908-91 (1998).
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determined shall meet the requirements of Table 1.
Annua
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