ASTM F836M-01a

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Designation: F 836M – 01a
METRIC
Standard Specification for
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Style 1 Stainless Steel Metric Nuts
This standard is issued under the fixed designation F 836M; 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 2. Referenced Documents
1.1 This specification covers the chemical and mechanical 2.1 ASTM Standards:
requirements for stainless steel metric nuts with nominal thread A 262 Practices for Detecting Susceptibility to Intergranu-
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diameters M1.6 through M36, and intended for use in engi- lar Attack in Austenitic Stainless Steels
neering applications requiring general corrosion resistance. A 342 Test Methods for Permeability of Feebly Magnetic
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1.2 Eight groups of stainless steel alloys are covered, Materials
including three austenitic (Grades A1, A2, and A4), one ferritic A 380 Practice for Cleaning, Descaling, and Passivation of
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(Grade F1), three martensitic (Grades C1, C3, and C4), and one Stainless Steel Parts, Equipment, and Systems
precipitation hardening (Grade P1). A 493 Specification for Stainless Steel Wire and Wire Rods
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1.3 Seventeen property classes are covered, including nine for Cold Heading and Cold Forging Wire
austenitic, one ferritic, six martensitic, and one precipitation A 555/A 555M Specification for General Requirements for
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hardening. The property classes with the permissible alloys for Stainless and Heat-Resisting Steel Wire and Wire Rods
each are listed in Table 1. A 564/A 564M Specification for Hot-Rolled and Cold-
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1.4 This specification is based in concept and content on Finished Age-Hardening Stainless Steel Bars and Shapes
ISO 3506. The chemical and mechanical requirements speci- A 582 Specification for Free-Machining Stainless Steel
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fied for all property classes, except as given in 1.4.1, are Bars
essentially identical with classes of the same designation in A 751 Test Methods, Practices, and Terminology for
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ISO 3506. Chemical Analysis of Steel Products
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1.4.1 This specification includes 13 of the 16 property D 3951 Practice for Commercial Packaging
classes covered in ISO 3506. Additionally, it includes property E 29 Practice for Using Significant Digits in Test Data to
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classes A1-70, A2–70, A4–70, A1–80, A2–80, and A4–80 for Determine Conformance with Specifications
products with nominal thread diameters larger than M20; and E 353 Test Methods for Chemical Analysis of Stainless,
four non-ISO property classes, C1-110, C4-110, C3-120, and Heat-Resisting, Maraging, and Other Similar Chromium-
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P1-90. Nickel-Iron Alloys
1.5 Supplementary requirements of an optional nature are F 606M Test Methods for Determining the Mechanical
provided, applicable only when agreed upon between the Properties of Externally and Internally Threaded Fasteners,
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manufacturer and the purchaser at the time of the inquiry and Washers, and Rivets [Metric]
order. F 738M Specification for Stainless Steel Metric Bolts,
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1.6 Suitable bolts, hex cap screws, and studs for use with Screws, and Studs
nuts included in this specification are covered by Specification F 1470 Guide for Fastener Sampling for Specified Mechani-
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F 738M. Unless otherwise specified, all bolts, hex cap screws, cal Properties and Performance Inspection
and studs used with these nuts shall conform to the require- 2.2 ISO Standard:
ments of Specification F 738M and shall be of the same alloy
group.
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Annual Book of ASTM Standards, Vol 01.03.
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Annual Book of ASTM Standards, Vol 03.04.
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Annual Book of ASTM Standards, Vol 15.09.
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This specification is under the jurisdiction of ASTM Committee F16 on
Annual Book of ASTM Standards, Vol 14.02.
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Fastenersand is the direct responsibility of Subcommittee F16.04 on Nonferrous
Annual Book of ASTM Standards, Vol 03.05.
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Fasteners.
Annual Book of ASTM Standards, Vol 01.08.
Current edition approved Oct. 10, 2001. Published November 2001. Originally
published as F 536 – 83. Last previous edition F 836 – 01.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F 836M
TABLE 1 Property Classes of Stainless Steel Nuts
Property Class Permissible Alloys
A
A1-50 304, 304L, 305
A1-70 384, XM7
A1-80
A2-50
A2-70 321, 347
A2-80
4. Ordering Information
A4-50
4.1 Orders for nuts under this specification shall include the
A4-70 316, 316L
following :
A4-80
4.1.1 Quantity (number of pieces of each item);
B
F1-45 430
4.1.2 Name of item (specific type and style, and references
to dimensional standar
...