ASTM F90-01
(Specification)Standard Specification for Wrought Cobalt-20 Chromium-15 Tungsten-10 Nickel Alloy for Surgical Implant Applications (UNS R30605)
Standard Specification for Wrought Cobalt-20 Chromium-15 Tungsten-10 Nickel Alloy for Surgical Implant Applications (UNS R30605)
SCOPE
1.1 This specification covers the requirements for wrought cobalt-20chromium-15tungsten-10nickel alloy used for surgical implants. The properties specified apply specifically to wrought bar, rod, wire, sheet, and strip, but do not apply to surgical fixation wire (see Specification F 1091).
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI equivalents in parentheses are for information only.
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Designation: F 90 – 01
Standard Specification for
Wrought Cobalt-20Chromium-15Tungsten-10Nickel Alloy for
1
Surgical Implant Applications (UNS R30605)
ThisstandardisissuedunderthefixeddesignationF 90;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 2.3 ISO Standards
ISO 5832-5 Wrought Cobalt-Chromium-Tungsten-Nickel
1.1 This specification covers the requirements for wrought
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Alloy
cobalt-20chromium-15tungsten-10nickel alloy used for surgi-
ISO 6892 Metallic Materials Tensile Testing at Ambient
cal implants. The properties specified apply specifically to
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Temperature
wrought bar, rod, wire, sheet, and strip, but do not apply to
2.4 American Society for Quality (ASQ) Standard:
surgical fixation wire (see Specification F 1091).
C1 Specification of General Requirements for a Quality
1.2 The values stated in inch-pound units are to be regarded
8
Program
as the standard. The SI equivalents in parentheses are for
information only.
3. Ordering Information
2. Referenced Documents 3.1 Inquiries and orders for material under this specification
shall include the following information:
2.1 ASTM Standards:
3.1.1 Quantity,
A 751 Test Methods, Practices, and Terminology for
2
3.1.2 ASTM designation and date of issue,
Chemical Analysis of Steel Products
3
3.1.3 Mechanical properties (see Section 6),
E 8 TestMethodsforTensionTestingofMetallicMaterials
3.1.4 Form (bar, rod, wire, sheet, strip),
E 354 Test Methods for Chemical Analysis of High-
3.1.5 Applicable dimensions including size, thickness,
Temperature, Electrical, Magnetic, and Other Similar Iron,
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width, and length (exact, random, or multiples) or drawing
Nickel, and Cobalt Alloys
number,
F 981 Practice for Assessment of Compatibility of Bioma-
3.1.6 Condition (see 4.1),
terials for Surgical Implants with Respect to Effect of
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3.1.7 Finish (see 4.2),
Materials in Muscle and Bone
3.1.8 Other requirements.
F 1091 Specification for Wrought Cobalt-Chromium Alloy
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Surgical Fixation Wire
4. Materials and Manufacture
2.2 Aerospace Material Specification:
4.1 Condition—Bar, wire, sheet, and strip shall be furnished
AMS 2269 Chemical Check Analysis Limits, Wrought
6 to the purchaser, as specified, in the annealed or cold-worked
Nickel Alloys and Cobalt Alloys
condition.
AMS 5759 Cobalt Alloy, Corrosion and Heat Resistant
4.2 Finish:
Bars, Forgings, and Rings, 52Co – 20 Cr – 10Ni – 15W,
6 4.2.1 Types of finish available for bar and wire are bright
Solution Heat Treated
annealed,pickled,cold-drawn,ground,groundandpolished,or
as specified in the purchase order.
1
This specification is under the jurisdiction of ASTM Committee F04 on 4.2.2 Types of finish available for sheet and strip are bright
Medical and Surgical Materials and Devices and is the direct responsibility of
annealed, pickled, cold-rolled, polished, or as specified in the
Subcommittee F04.12 on Metallurgical Materials.
purchase order.
Current edition approved Oct. 10, 2001. Published January 2002. Originally
published as F 90 – 68. Last previous edition F 90 – 97.
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Annual Book of ASTM Standards, Vol 01.03.
3
Annual Book of ASTM Standards, Vol 03.01.
4 7
Annual Book of ASTM Standards, Vol 03.05. Available from American National Standards Association, 25 W. 43rd St., 4th
5
Annual Book of ASTM Standards, Vol 13.01. Floor, New York, NY 10036.
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AvailablefromSocietyofAutomotiveEngineers,Inc.,400CommonwealthDr., Available from American Society for Quality, 600 N. Plankinton Ave.,
Warrendale, PA 15096–0001. Milwaukee, WI 53203.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F90
A
TABLE 2 Product Analysis Tolerances
5. Chemical Requirements
Tolerance Under the Minimum Limit or Over the
5.1 The heat analysis shall conform to the chemical com-
Element
B
Maximum Limit
position of Table 1. The supplier shall not ship material that is
Carbon 0.01
outside the limits specified in Table 1.
Manganese 0.04
5.1.1 Requirements for the major and minor elemental
Silicon 0.03
Phosphorous 0.005
constituents are listed in Table 1. Also listed are important
Sulfur 0.005
residual elements.Analysis for elements not listed inTable 1 is
Chromium 0.25
not required to verify compliance with this specification.
Nickel 0.15 under min; 0.20 over max
Tungsten 0.25
5.2 Product Analysis—The product analysis is either for the
Iron 0.07
purpose of verifying the composition of a heat or lot or to
A
Refer to AMS 2269.
determine variations in the composition within the heat.
B
Under minimum limit not applicable for elements where only a
...
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