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ASTM F879-12
Standard Specification for Stainless Steel Socket Button and Flat Countersunk Head Cap Screws
Automaticky přeložený název:
Standardní specifikace pro Stainless Steel Socket Button a plochou zápustnou hlavou s šrouby
NORMA vydána dne 1.6.2012
Informace o normě:
Označení normy: ASTM F879-12
Poznámka: NEPLATNÁ
Datum vydání normy: 1.6.2012
Kód zboží: NS-56777
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Anotace textu normy ASTM F879-12 :
Keywords:
corrosion resistant, stainless steel, socket button head cap screws, socket flat countersunk head cap screws, ICS Number Code 21.060.10 (Bolts, screws, studs)
Doplňující informace
| 1. Scope | ||||||||
|
1.1 This specification covers the chemical and mechanical requirements for stainless steel inch hexagon socket button (SBHCS) and flat countersunk (SFHCS) head cap screws with nominal thread 0.060 through 0.625 in. intended for use in applications requiring general corrosion resistance. 1.2 Two groups of austenitic stainless steel alloys and three conditions are covered. See Alloy Group |
Alloy |
Full Size Product TestsA |
Machined Specimen Tests |
Core HardnessB |
||||
|
Tensile |
ExtensionC |
Tensile |
Yield |
Elongation |
Vickers |
Rockwell |
||
|
All |
AF |
85 max |
0.6D |
85 max |
55 max |
40 |
210 max |
95 HRB max |
|
All |
CW |
80 min |
0.4D |
80 min |
40 min |
25 |
150 min |
50 HRA min |
|
All |
CW1 |
102 min |
0.4D |
87 min |
65 min |
20 |
220 min |
59 HRA min |
Alloy Group
UNS Designation
Alloy
Composition, % maximum except as shown
Carbon
Manganese
Phosphorus
Sulfur
Silicon
Chromium
Nickel
Copper
Molybdeneunm
Austenitic Alloys
1
S30400
304
0.08
2.00
0.045
0.030
1.00
18.0 to 20.0
8.0 to 10.5
1.00
. . .
1
S30403
304L
0.030
2.00
0.045
0.030
1.00
18.0 to 20.0
8.0 to 12.0
1.00
. . .
1
S30500
305
0.12
2.00
0.045
0.030
1.00
17.0 to 19.0
10.5 to 13.0
1.00
. . .
1
S38400
384
0.08
2.00
0.045
0.030
1.00
15.0 to 17.0
17.0 to 19.0
. . .
. . .
1
S30430
18–9LW
0.10
2.00
0.045
0.030
1.00
17.0 to 19.0
8.0 to 10.0
3.0 to 4.0
. . .
1
S30433
302HQ
0.03
2.00
0.045
0.030
1.00
17.0 to 19.0
8.0 to 10.0
3.0 to 4.0
. . .
2
S31600
316
0.08
2.00
0.045
0.030
1.00
16.0 to 18.0
10.0 to 14.0
. . .
2.00 to 3.0
2
S31603
316L
0.03
2.00
0.045
0.030
1.00
16.0 to 18.0
10.0 to 14.0
. . .
2.00 to 3.0
1.3 Units—The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 The following precautionary caveat pertains only to the test method portion, Section 12, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
|
Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials |
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Standard Test Methods for Rockwell Hardness of Metallic Materials |
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Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs |
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Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets |
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Standard Specification for Surface Discontinuities of Bolts, Screws, Studs, and Rivets, Inch and Metric Series |
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Standard Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection |
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B18.3 |
Socket Cap, Shoulder and Set Screws (Inch Series) Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Two Park Ave., New York, NY 10016-5990, http://www.asme.org. |
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JIS G 4309 |
Stainless Steel Wires |
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Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels |
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Standard Test Methods for Permeability of Weakly Magnetic Materials |
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Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems |
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Standard Specification for General Requirements for Stainless Steel Wire and Wire Rods |
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Standard Test Methods and Practices for Chemical Analysis of Steel Products |
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Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts |
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Standard Practice for Commercial Packaging |
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Standard Test Method for Microindentation Hardness of Materials |
