Standard Specification for Precipitation Hardening Nickel Alloys UNS N07716, N07725, N07773, N07776, and N09777, Bar and Wire

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1.1 This specification covers nickel alloys UNS N07716, N07725, N07773, N07776, and N09777 in the form of hot or cold finished rounds, squares, hexagons, rectangles, and cold finished wire.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following precautionary caveat pertains only to the test methods, portion, Section 13, 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.

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ASTM B805-95 - Standard Specification for Precipitation Hardening Nickel Alloys UNS N07716, N07725, N07773, N07776, and N09777, Bar and Wire
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.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: B 805 – 95
Standard Specification for
Precipitation Hardening Nickel Alloys UNS N07716, N07725,
N07773, N07776, and N09777, Bar and Wire
This standard is issued under the fixed designation B 805; 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 4. Ordering Information
1.1 This specification covers nickel alloys UNS N07716, 4.1 Orders for material conforming to this specification
N07725, N07773, N07776, and N09777 in the form of hot or should include the following:
cold finished rounds, squares, hexagons, rectangles, and cold 4.1.1 Alloy name or UNS number,
finished wire. 4.1.2 ASTM designation and date of issue,
1.2 The values stated in inch-pound units are to be regarded 4.1.3 Quantity,
as the standard. The values given in parentheses are for 4.1.4 Form (bar or wire),
information only. 4.1.5 Dimensions,
1.3 The following precautionary caveat pertains only to the 4.1.6 Condition,
test methods, portion, Section 13, of this specification: This 4.1.7 Finish,
standard does not purport to address all of the safety concerns, 4.1.8 Certification— State if certification is required,
if any, associated with its use. It is the responsibility of the user 4.1.9 Samples for Product Analysis—State if samples for
of this standard to establish appropriate safety and health product analysis are to be furnished, and
practices and determine the applicability of regulatory limita- 4.1.10 Purchaser Inspection—State if purchaser inspection
tions prior to use. is required and which tests or inspections are to be witnessed.
2. Referenced Documents 5. Chemical Composition
2.1 ASTM Standards: 5.1 The material shall conform to the composition limits
E 8 Test Methods for Tension Testing of Metallic Materials specified in Table 1.
E 354 Test Methods for Chemical Analysis of High- 5.2 If a product (check) analysis is performed, the material
Temperature, Electrical, Magnetic, and Other Similar Iron, shall conform to the tolerances provided in Table 2.
Nickel, and Cobalt Alloys
6. Condition
E 1019 Test Methods for Determination of Carbon, Sulfur,
Nitrogen, and Oxygen in Steel and in Iron, Nickel, and 6.1 Bar shall be supplied in the solution treated conditions.
Cobalt Alloys
NOTE 1—The recommended solution treatment shall consist of heating
the material to temperature in the range from 1850 to 1950°F (1010 to
3. Terminology
1065°C), followed by rapid cooling.
3.1 Definitions of Terms Specific to This Standard:
6.2 Wire shall be supplied in the solution treated and cold
3.1.1 bar—material of round, rectangular (flats), hexagonal,
finished condition.
square, or other solid section up to and including 10 in. (254
6.3 Upon agreement between the purchaser and the manu-
mm) in width and ⁄8 in. (3.2 mm) or over in thickness in
facturer, the material may be supplied in the as-hot worked,
straight lengths.
solution treated plus aged, or other conditions.
3.1.2 wire—a cold-worked solid product of uniform cross
section along its whole length, usually supplied in coil form.
7. Mechanical Properties
7.1 Unless otherwise specified, the material shall be sup-
plied in the solution treated condition, suitable for subsequent
This specification is under the jurisdiction of ASTM Committee B-2 on
age hardening, and shall conform to the minimum room
Nonferrous Metals and Alloysand is the direct responsibility of Subcommittee
temperature mechanical properties shown in Table 3.
B02.07on Refined Nickel and Cobalt and Their Alloys.
Current edition approved Oct. 10, 1995. Published December 1995. Originally 7.2 The solution treated material shall be capable of meeting
published as B 805 – 90. Last previous edition B 805 – 90.
the mechanical property requirements of Table 4 following the
Annual Book of ASTM Standards, Vol 03.01.
precipitation hardening aging treatment described in Table 4.
Annual Book of ASTM Standards, Vol 03.05.
7.3 When the material is to be supplied in the solution
Annual Book of ASTM Standards, Vol 03.06.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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.
B 805
treated plus aged condition, mechanical property requirements 13. Test Methods
shall be those shown in Table 4, or as agreed upon between the
13.1 The chemical composition and mechanical properties
purchaser and the manufacturer as part of the purchase
of the material as enumerated in this specification shall, in case
contract.
of disagreement, be determined in accordance with the follow-
ing test methods:
NOTE 2—An aging treatment other than that described in Table 4 may
be used provided the mechanical property and other requirements of this ASTM
Test Test Methods
specification or the governing purchase contract are met.
A
Chemical Analysis E 354, E1019
Tension E 8
8. Dimensions and Permissible Variations
A
8.1 Bar—Bar shall conform to the variations in dimensions Test Methods E 1019 are to be used only for those elements not covered by
Test Methods E 354.
prescribed in Tables 5-13, inclusive, as applicable.
8.2 Wire—Wire shall conform to the variations in dimen-
14. Inspection
sions prescribed in Tables 14-18, inclusive, as applicable.
14.1 If specified, source inspection of the material by the
9. Workmanship, Finish, and Appearance purchaser at the manufacturer’s plant shall be made as agreed
upon between the purchaser and the manufacturer as part of the
9.1 The product shall be uniform in quality and condition,
purchase contract.
smooth, commercially straight or flat, and free from injurious
imperfections.
15. Rejection and Rehearing
10. Sampling 15.1 Material that fails to conform to the requirements of
this specification may be rejected. Rejection should be reported
10.1 Lot Definition:
to the producer or supplier promptly and in writing. In case of
10.1.1 A lot for chemical analysis shall consist of one heat.
dissatisfaction with the results of the test, the producer or the
10.1.2 A lot for mechanical properties shall consist of all
purchaser may make claim for a rehearing.
material from the same heat, nominal diameter, or thickness,
subjected to the same heat treatment at the same time.
16. Certification
10.2 Test Material Selection:
16.1 When specified in the purchase order or contract, a
10.2.1 Chemical Analysis—Representative samples shall be
producer’s or supplier’s certification shall be furnished to the
taken at the time of final ingot casting or during subsequent
purchaser that the material was manufactured, sampled, tested,
processing.
and inspected in accordance with this specification and has
10.2.2 Product Analysis— Shall be solely the responsibility
been found to meet the requirements. When specified in the
of the purchaser.
purchase order or contract, a report of the test results shall be
10.2.3 Mechanical Properties—Samples of material to pro-
furnished.
vide test specimens shall be taken from locations in each lot as
to be representative of that lot.
17. Product Marking
11. Number of Tests
17.1 The following shall be marked on the material or
included on the package, or on a label or tag attached thereto:
11.1 Chemical Analysis—One test per lot.
the name of the material or UNS number, condition (temper),
11.2 Mechanical Properties—One test per lot.
this specification number, the size, gross, tare, and net weight,
12. Specimen Preparation
cosignor and consignee address, contract or order number, or
other such information as may be defined in the contract or
12.1 Tension test specimens shall be taken from material in
the final condition and tested in the direction of fabrication. purchase order.
12.2 All bar and wire shall be tested in the full cross-section
18. Keywords
size, when possible. If the specimen size does not utilize the
full product cross section, the specimens shall be located at 18.1 bar; UNS N07716; UNS N07725; wire
mid-radius.
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.
B 805
TABLE 1 Chemical Requirements
Composition, Weight %
Element
Alloy N07716 Alloy N07725 Alloy N07773 Alloy N07776 Alloy N09777
Carbon 0.03 max 0.03 max 0.03 max 0.03 max 0.03 max
Manganese 0.20 max 0.35 max 1.00 max 1.00 max 1.00 max
Phosphorous 0.015 max 0.015 max 0.030 max 0.030 max 0.030 max
Sulfur 0.010 max 0.010 max 0.010 max 0.010 max 0.010 max
Silicon 0.20 max 0.20 max 0.50 max 0.50 max 0.50 max
Chromium 19.00–22.00 19.00–22.50 18.0–27.0 12.0–22.0 14.0–19.0
Nickel 59.00–63.00 55.00–59.00 45.0–60.0 50.0–60.0 34.0–42.0
Molybdenum 7.00–9.50 7.00–9.50 2.5–5.5 9.0–15.0 2.5–5.5
Columbium (Niobium) 2.75–4.00 2.75–4.00 2.5–6.0 4.0–6.0 0.10 max
Titanium 1.00–1.60 1.00–1.70 2.0 max 1.00 max 2.0–3.0
Aluminum 0.35 max 0.35 max 2.0 max 2.00 max 0.35 max
A A A A A
Iron remainder remainder remainder remainder remainder
Other . . mo + 0.5 W = 2.5–5.5 . .
Tungsten . . 6.0 max 0.5–2.5 .
A
Determined arithmetically by difference.
A
TABLE 2 Product (Check) Analysis Tolerances TABLE 4 Capability Mechanical Properties
Tolerances over max or under min, limit, % Tensile Yield Strength, Elongation Reduction
Alloy Strength, min min in 4D, of Area,
Element
Alloys N07716 Alloy Alloy Alloy
ksi MPa ksi MPa % min % min
and N07725 N07773 N07776 N09777
N07716 and N07725 165 1137 120 827 20 35
Carbon 0.01 0.01 0.01 0.01 N07773 and N07776 140 965 120 827 20 30
N09777 125 862 110 758 25 35
Manganese 0.03 0.03 0.03 0.03
Phosphorus 0.005 0.005 0.005 0.005
A
Properties after aging solution treated material. Aging treatment consists of
Sulfur 0.003 0.003 0.003 0.003
1350°F (732°C) for 8 h followed by furnace cooling to 1150 to 1200°F (621 to
Silicon 0.02 0.03 0.03 0.03
649°C), holding 8 h, and air cooling. See Note 2.
Chromium 0.25 0.25 under, 0.15 under, 0.15 under,
Aging treatment for UNS N07773 consists of 1275°F (690°C) for 20 h followed
0.30 over 0.25 over 0.25 over
by air cooling (see Note 2).
Nickel 0.35 0.35 0.35 0.30 under,
Aging treatment for UNS N07776 consists of 1335°F (725°C) for 8 h followed by
0.35 over
furnace cooling to 1155°F (625°C), holding 8 h, and air cooling (see Note 2).
Molybdenum 0.15 0.05 under, 0.15 0.05 under,
Aging treatment for UNS N09777 consists of 1330°F (720°C) for 8 h followed by
0.15 over 0.15 over
furnace cooling to 1150°F (620°C), holding 8 h, and air cooling (see Note 2).
Columbium 0.15 0.10 under, 0.15 under, 0.05
(Niobium) 0.20 over 0.20 over
Titanium 0.05 0.05 0.04 0.05 under,
0.07 over
Aluminum 0.05 0.10 0.10 0.05
Tungsten . 0.10 0.04 under, .
0.10 over
A
TABLE 3 Solution Treated Mechanical Properties
Tensile Strength, Yield Strength, Elongation Reduction
Alloy min min in 4D, of Area,
ksi MPa ksi MPa % min % min
N07716 and 110 758 45 310 30 40
N07725
N07773 and 90 621 35 241 35 50
N07776
N09777 75 517 30 207 35 50
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.
B 805
TABLE 5 Permissible Variations in Size of Hot-Rolled Round and Square Bars
A
Permissible Variations from Specified Size, in. (mm) Out-of-Round or
B
Out-of-Square, in. (mm)
Over Under
C,DE E E
1 5
⁄4 (6.35) to ⁄16 (7.94), incl
C,D
5 7
Over ⁄16 (7.94) to ⁄16 (11.11), incl 0.006 (0.15) 0.006 (0.15) 0.009 (0.23)
C,D
7 5
Over ⁄16 (11.11) to ⁄8 (15.88), incl 0.007 (0.18) 0.007 (0.18) 0.010 (0.25)
5 7
Over ⁄8 (15.88) to ⁄8 (22.22), incl 0.008 (0.20) 0.008 (0.20) 0.012 (0.30)
Over ⁄8 (22.22) to 1 (25.40), incl 0.009 (0.23) 0.009 (0.23) 0.013 (0.33)
Over 1 (25.40) to 1 ⁄8 (28.58), incl 0.010 (0.25) 0.010 (0.25) 0.015 (0.38)
1 1
Over 1 ⁄8 (28.58) to 1 ⁄4 (31.75), incl 0.011 (0.28) 0.011 (0.28) 0.016 (0.41)
1 3
Over 1 ⁄4 (31.75) to 1 ⁄8 (34.92), incl 0.012 (0.30) 0.012 (0.30) 0.018 (0.46)
3 1
Over 1 ⁄8 (34.92) to 1 ⁄2 (38.10), incl 0.014 (0.36) 0.014 (0.36) 0.021 (0.53)
1 1 1
Over 1 ⁄2 (38.10) to 2 (50.80), incl ⁄64 (0.40) ⁄64 (0.40) 0.023 (0.58)
1 1
Over 2 (50.80) to 2 ⁄2 (63.50), incl ⁄32 (0.79) 0 0.023 (0.58)
1 1 3
Over 2 ⁄2 (63.50) to 3 ⁄2 (88.90), incl ⁄64 (1.19) 0 0.035 (0.89)
1 1 1
Over 3 ⁄2 (88.90) to 4 ⁄2 (114.30), incl ⁄16 (1.59) 0 0.046 (1.17)
1 1 5
Over 4 ⁄2 (114.30) to 5 ⁄2 (139.70), incl ⁄64 (1.98) 0 0.058 (1.47)
1 1 1
Over 5 ⁄2 (139.70) to 6 ⁄2 (165.10), incl ⁄8 (3.18) 0 0.070 (1.78)
1 5
Over 6 ⁄2 (165.10) to 8 (203.20), incl ⁄32 (3.97) 0 0.085 (2.18)
A
Out-of-round is the difference between the maximum and minimum diameters of the bar, measured at the same cross section.
B
Out-of-square section is the difference in the two dimensions at the same cross section of a square bar, each dimension being the distance between opposite faces.
C
1 5
Size tolerances have not been evolved for rounds in the size range of ⁄4 to ⁄16 in. (6.35 to 7.94 mm), inclusive. Size tolerances have not been evolved for round sections
1 5
in the size range of ⁄4 in. to approximately ⁄8 in. (6.35 to 15.88 mm) in diameter which are produced on rod mills in coils.
D
Variations in size of coiled product made on rod mills are greater than size tolerances for product made on bar mills.
E
Squares in this size are not produced as hot-rolled products.
TABLE 6 Permissible Variations in Size of Hot-Rolled Hexagonal and Octagonal Bars
Specified Sizes Measured Permissible Variations from Specified Size, in. (mm) Maximum Difference in
Between Opposite Sides, 3 Measurements for Hexagons
Over Under
in. (mm) only, in. (mm)
1 1
⁄4 (6.35) to ⁄2 (12.70), incl 0.007 (0.18) 0.007 (0.18) 0.011 (0.28)
Over ⁄2 (12.70) to 1 (25.40), incl 0.010 (0.25) 0.010 (0.25) 0.015 (0.38)
Over 1 (25.40) to 1 ⁄2 (38.10), incl 0.021 (0.53) 0.021 (0.53) 0.025 (0.64)
1 1 1 1
Over 1 ⁄2 (38.10) to 2 (50.80), incl ⁄32 (0.79) ⁄32 (0.79) ⁄32 (0.79)
1 3 3 3
Over 2 (50.80) to 2 ⁄2 (63.50), incl ⁄64 (1.19) ⁄64 (1.19) ⁄64 (1.19)
1 1 1 1 1
Over 2 ⁄2 (63.50) to 3 ⁄2 (88.90), incl ⁄16 (1.59) ⁄16 (1.59) ⁄16 (1.59)
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.
B 805
TABLE 7 Permissible Variations in Thickness and Width for Hot-Rolled Flat Bars
Permissible Variations in Thickness for Thicknesses Given, in. (mm)
1 1 1
Specified
...

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