ASTM F139-03
(Specification)Standard Specification for Wrought 18 Chromium-14 Nickel-2.5 Molybdenum Stainless Steel Sheet and Strip for Surgical Implants (UNS S31673)
Standard Specification for Wrought 18 Chromium-14 Nickel-2.5 Molybdenum Stainless Steel Sheet and Strip for Surgical Implants (UNS S31673)
SCOPE
1.1 This specification covers the requirements for wrought 18 chromium-14 nickel-2.5 molybdenum stainless steel sheet and strip used for the manufacture of surgical implants.
1.2 The values stated in inch-pound units are to be regarded as the standard.
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Designation: F 139 – 03
Standard Specification for
Wrought 18Chromium-14Nickel-2.5Molybdenum Stainless
1
Steel Sheet and Strip for Surgical Implants (UNS S31673)
This standard is issued under the fixed designation F 139; 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* C1 Specification of General Requirements for a Quality
6
Program
1.1 This specification covers the requirements for wrought
18chromium-14nickel-2.5molybdenum stainless steel sheet
3. General Requirements for Delivery
and strip used for the manufacture of surgical implants.
3.1 In addition to the requirements of this specification, all
1.2 The values stated in inch-pound units are to be regarded
requirements of the current edition of Specification A 480/
as the standard.
A 480M shall apply.
2. Referenced Documents 3.2 In the case where a conflict exists between this specifi-
cation and those listed in 2.1 and 2.2, this specification shall
2.1 ASTM Standards:
take precedence.
A 262 Practices for Detecting Susceptibility to Intergranu-
2
lar Attack in Austenitic Stainless Steels
4. Ordering Information
A 480/A480M Specification for General Requirements for
4.1 Inquiries and orders for material under this specification
Flat-Rolled Stainless and Heat-Resisting Steel Plate,
2 shall include the following information:
Sheet, and Strip
4.1.1 Quantity (weight or number of pieces),
A 751 Test Methods, Practices, and Terminology for
2 4.1.2 ASTM designation,
Chemical Analysis of Steel Products
4.1.3 Form (sheet or strip),
E 45 Test Methods for Determining the Inclusion Content
3 4.1.4 Condition (see 5.1),
of Steel
4.1.5 Mechanical properties (if applicable, for special con-
E 112 Test Methods for Determining the Average Grain
3 ditions),
Size
3 4.1.6 Finish (see 5.2),
E 407 Practice for Microetching Metals and Alloys
4.1.7 Applicable dimensions including size, thickness,
F 981 Practice for Assessment of Compatibility of Bioma-
width, and length (exact, random, multiples) or print number,
terials for Surgical Implants With Respect to Effect of
4 and
Materials on Muscle and Bone
4.1.8 Special requirements.
2.2 ISO Standard:
ISO 5832-1 Implants for Surgery-Metallic Materials—Part
5. Materials and Manufacture
5
1: Wrought Stainless Steel
5.1 Condition:
2.3 American Society for Quality (ASQ) Standard:
5.1.1 Sheet and strip shall be furnished as specified, in the
annealed or cold-worked condition (see Table 1).
1
5.2 Finish:
This specification is under the jurisdiction of ASTM Committee F04 on
Medical and Surgical Materials and Devices and is the direct responsibility of
5.2.1 Types of finish available in sheet and strip are dull
Subcommittee F04.12 on Metallurgical Materials.
cold rolled, bright cold rolled, intermediate polished, general-
Current edition approved June 10, 2003. Published July 2003. Originally
purpose polished, dull satin-finished, high luster finish, mirror
approved 1976. Last previous edition approved in 2000 as F 139 – 00.
2
Annual Book of ASTM Standards, Vol 01.03. finish, or as specified in the purchase order.
3
Annual Book of ASTM Standards, Vol 03.01.
4
Annual Book of ASTM Standards, Vol 13.01.
5 6
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St., Available from American Society for Quality (ASQ), 600 N. Plankinton Ave.,
4th Floor, New York, NY 10036. Milwaukee, WI 53203.
*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.
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F139–03
A
TABLE 1 Mechanical Requirements TABLE 3 Product Analysis Tolerance
Ultimate Tensile Yield Strength Elongation in 2 Rockwell Tolerance Under the Minimum
Element
B
Condition Strength, min, (0.2 % Offset), in. (50 mm) Hardness, or Over the Maximum Limit
psi (MPa) min, psi (MPa) min, % max
Carbon 0.005
Annealed 71 000 27 500 40 95 HRB
Manganese 0.04
(490) (190)
Phosphorus 0.005
Cold-worked 125 000 100 000 10 .
Sulfur 0.005
(860) (690)
Silicon 0.05
Chromium 0.20
Nickel 0.15
Molybdenum 0.10
Nitrogen 0.01
6. Chemical Composition
Copper 0.03
6.1 The heat analysis shall conform to the requirements as A
Refer to Specification A 480/A 480M.
B
to chemical composition specified in Table 2.
Under minimum limit not applicable for elements where only a minimum
percentage is indicated.
6.1.1 The compositional requirement shall meet the follow-
ing:
%Cr 1 3.3 3%Mo$ 26.0 (1)
tative samples from the hot-rolled band from the heat sh
...
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