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ASTM A1014-00

(Specification)

Standard Specification for Precipitation-Hardening Bolting Material (UNS N07718) for High Temperature Service

Standard Specification for Precipitation-Hardening Bolting Material (UNS N07718) for High Temperature Service

SCOPE
1.1 This specification covers a precipitation hardening bolting material (UNS N07718) for high temperature service.

General Information

Status
Historical
Publication Date
09-Mar-2002
ICS
77.140.30 - Steels for pressure purposes
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.22 - Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications
Current Stage
Ref Project

Relations

Replaced By
ASTM A1014-02 - Standard Specification for Precipitation-Hardening Bolting Material (UNS N07718) for High Temperature Service
Effective Date
10-Mar-2002

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ASTM A1014-00 - Standard Specification for Precipitation-Hardening Bolting Material (UNS N07718) for High Temperature ServiceASTM A1014-00 - Standard Specification for Precipitation-Hardening Bolting Material (UNS N07718) for High Temperature Service
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ASTM A1014-00 - Standard Specification for Precipitation-Hardening Bolting Material (UNS N07718) for High Temperature Service
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 1014 – 00
Standard Specification for
Precipitation-Hardening Bolting Material (UNS N07718) for
High Temperature Service
This standard is issued under the fixed designation A 1014; 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.
1. Scope A 962M constitutes non-conformance with this specification. If
the requirements of this specification conflict with those of
1.1 This specification covers a precipitation hardening bolt-
Specification A 962/A 962M then the requirements of this
ing material (UNS N07718) for high temperature service.
specification shall prevail.
2. Referenced Documents
5. Manufacture
2.1 ASTM Standards:
5.1 Melting Process—Alloy shall be multiple melted using
A 370 Test Methods and Definitions for Mechanical Testing
consumable electrode practice in the remelt cycle or shall be
of Steel Products
induction melted under vacuum. If consumable electrode
A 962/A 962M Specification for Common Requirements
remelting is not performed in vacuum, electrodes produced by
for Steel Fasteners or Fastener Materials, or Both, Intended
vacuum induction melting shall be used.
for Use at Any Temperature from Cryogenic to the Creep
5.2 Heat Treatment:
Range
5.2.1 Solution Treatment—Material shall be solution heat
B 637 Specification for Precipitation-Hardening Nickel Al-
treated at a temperature within the range of 1725 to 1850°F
loy Bars, Forgings, and Forging Stock for High-
(941 to 1010°C), held at the selected temperature for a time
Temperature Service
commensurate with cross-sectional thickness, and cooled at a
E 112 Test Methods for Determining the Average Grain
rate equivalent to an air cool or faster.
Size
5.2.1.1 Temperature Variation—Solution treating tempera-
E 292 Test Methods for Conducting Time-For-Rupture
tures shall be controlled in the range of 6 25°F (6 14°C).
Notch Tension Tests of Materials
5.2.2 Precipitation Heat Treatment—Material shall be
2.2 ANSI Standards:
heated to a temperature of 1325°F (718°C), held at temperature
B1.1 Screw Threads
for eight hours minimum, furnace cooled to 1150°F (621°C) at
3. Ordering Information
100°F (56°C) per hour, held at temperature for eight hours, and
cooled to room temperature. Alternatively, material may be
3.1 Ordering—It shall be the responsibility of the purchaser
furnace cooled to 1150°F (621°C) at any rate provided the time
to specify all requirements that are necessary for product under
at 1150°F (621°C) is adjusted so the total precipitation heat
this specification including any supplementary ones and those
treatment time is 18 hours minimum.
included in the ordering information required by Specification
5.2.2.1 Temperature Variation—Precipitation treatment
A 962/A 962M.
temperatures and cooling rates shall be controlled in the range
4. Common Requirements
of 6 15°F (6 8°C).
5.3 Straightening—When straightening is necessary it shall
4.1 Common Requirements—Product furnished to this
be done after solution treating and prior to aging. Straightening
specification shall conform to Specification A 962/A 962M,
after aging is prohibited.
including any supplementary requirements indicated on the
5.4 Threads—Threads shall be formed by rolling in one
purchase order. Failure to comply with Specification A 962/
pass after oxides have been removed from the area to be
threaded.
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
5.5 Dimensions and Tolerances, Bolting Material—Fully
Stainless Steel and Related Alloysand is the direct responsibility of Subcommittee
heat treated bolting material shall meet the dimensional re-
A01.22 on Steel Forgings and Wrought Fittings for Piping Applications and Bolting
Materials for Piping and Special Purpose Applications.
quirements of Specification B 637 for UNS N07718.
Current edition approved Dec. 10, 2000. Published February 2001.
Annual Book of ASTM Standards, Vol 01.03.
6. Chemical Composition
Annual Book of ASTM Standards, Vol 01.01.
6.1 Remelt Ingots—The chemical analyses of each remelted
Annual Book of ASTM Standards, Vol 02.04.
Annual Book of ASTM Standards, Vol 03.01.
ingot shall conform to the requirements for chemical compo-
6 nd th
Available form American National Standards Institute, 11 W. 42 St., 13
sition prescribed in Table 1.
Floor, New York, NY 10036.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
A 1014
TABLE 1 Chemical Requirements
Ts 5 UTS 3 As (1)
Product (Check) Analysis Variations,
UNS N07718
where:
Element under min or over max,
(Formerly Grade 718)
of the Specified Limit of Element
Ts = tensile strength,
UTS = tensile strength specified in Table 2, and
Carbon, max. 0.08 0.01
Manganese, max. 0.35 0.03 As = stress area, square inches, as shown in ANSI B1.1 or
Silicon, max. 0.35 0.03
calculated as follows:
Phosphorus, max. 0.015 0.005
Sulfur, max. 0.015 0.003
As 5 0.785 ~D – ~0.974/n!! (2)
Chromium 17.0–21.0 0.25
A
Cobalt, max. 1.0 0.03
where:
Molybdenum 2.80–3.30 0.05 under min, 0.10 over max.
D = nominal thread size, and
Columbium + 4.75–5.50 0.15 under min, 0.20 over max.
Tantalum . . . . . . n = the number of threads per inch.
Titanium 0.65–1.15 0.04 under min, 0.05 over max.
Aluminum 0.20–0.80 0.05 under min, 0.10 over max.
8. Metallog
...

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Grade 2 Class 1  
Class 2  
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Class 2A  
Grade 3 Class 1  
Class 3  
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Class 3A  
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Grade 4N Class 2  
Class 4A  
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Class 4B  
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Class 5  
Grade 5 Class 2  
Class 5A  
Grade 22 Class 3  
Class 22B  
Grade 22 Classes 4, 5, 6, and 7  
Grade 3V  
Class 3V  
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1.1 This specification2 covers hot-rolled carbon steel sheet for pressure vessels involving fusion welding or brazing. Welding and brazing technique is of fundamental importance and shall be in accordance with commercial practices.  
1.2 The following grades are included in this specification:    
Mechanical Requirements  
Yield Strength, min  
Tensile Strength, min  
Grade  
ksi  
MPa  
ksi  
MPa  
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25  
170  
45  
310  
B  
30  
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50  
345  
C  
33  
230  
55  
380  
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65  
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515  
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Width, in. [mm]    
Thickness, in. [mm]  
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0.270 to 0.230 [7.0 to 6.0]  
sheet (coils only)  
Under 0.230 to 0.057 [6.0 to 1.5]  
sheet  
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1.5 Tolerances are found in General Requirements Specifications A568/A568M and A635/A635M. The appropriate General Requirements specification is applied based on the thickness and width of the product ordered.  
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SCOPE
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SCOPE
1.1 This specification2 covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature service.  
1.2 Plates are available under this specification in several grades having different alloy contents as follows:    
Nominal  
Nominal  
Chromium  
Molybdenum  
Grade  
Content, %  
Content, %  
2  
0.50  
0.50  
12  
1.00  
0.50  
11  
1.25  
0.50  
22  
2.25  
1.00  
21  
3.00  
1.00  
5  
5.00  
0.50  
9  
9.00  
1.00  
91  
9.00  
1.00  
1.3 Each grade except Grade 91 is available in two classes of tensile strength levels as defined in the Tensile Requirements tables. Grade 91 is available only as Class 2. Grade 91 consists of two types, with Type 2 differentiated from Type 1 by requiring restricted composition for the enhancement of creep resistance.
Note 1: Grade 911, previously covered by this specification, is now covered by Specification A1017/A1017M.  
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Standard Specification for Pressure Vessel Plates, Alloy Steel, Nickel

ABSTRACT
This specification covers nickel-alloy steel plates intended primarily for welded pressure vessels. As a steel making practice, the steel shall be killed and shall conform to fine grain size requirements. The heat treatment requirements for all plates are presented, and all plates under Grades A, B, D, and E shall be normalized as required. The steel shall conform to the required chemical compositions. Two mechanical test requirements are presented that includes, tension test requirements and impact test requirements.
SCOPE
1.1 This specification2 covers nickel-alloy steel plates intended primarily for welded pressure vessels.  
1.2 Plates under this specification are available with four strength levels and two nickel compositions as follows:    
Grade  
Nominal Nickel
Content %  
Yield Strength, min, ksi [MPa]  
Tensile Strength, min, ksi [MPa]  
A  
2.25  
37 [255]  
65 [450]  
B  
2.25  
40 [275]  
70 [485]  
D  
3.50  
37 [255]  
65 [450]  
E  
3.50  
40 [275]  
70 [485]  
F  
3.50  
2 in. [50 mm] and under  
55 [380]  
80 [550]  
Over 2 in. [50 mm]  
50 [345]  
75 [515]  
1.3 The maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical property requirements.  
1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents. Therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with this specification.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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