ASTM B168-00

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.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 168 – 00 An American National Standard
Used in USDOE-NE Standards
Standard Specification
Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603,
N06690, N06025, and N06045) and Nickel-Chromium-Cobalt-
Molybdenum Alloy (UNS N06617) Plate, Sheet, and Strip
This standard is issued under the fixed designation B 168; 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 Determine Conformance with Specifications
E 38 Methods for Chemical Analysis of Nickel-Chromium
1.1 This specification covers rolled nickel-chromium-iron
and Nickel-Chromium-Iron Alloys
alloys (UNS N06600, N06601, N06603, N06690, N06025, and
E 112 Test Methods for Determining the Average Grain
N06045)* and nickel-chromium-cobalt-molybdenum alloy
Size
(UNS N06617) plate, sheet, and strip.
E 140 Hardness Conversion Tables for Metals
1.2 The values stated in inch-pound units are to be regarded
E 1473 Test Methods for Chemical Analysis of Nickel,
as the standard. The values given in parentheses are for
Cobalt, and High-Temperature Alloys
information only.
F 155 Test Method for Temper of Strip and Sheet Metals for
1.3 The following precautionary caveat pertains only to the
Electronic Devices (Spring-Back Method)
test methods portion, Section 12, of this specification: This
2.2 Federal Standards:
standard does not purport to address all of the safety concerns,
Fed. Std. No. 102 Preservation, Packaging and Packing
if any, associated with its use. It is the responsibility of the user
Levels
of this standard to establish appropriate safety and health
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
practices and determine the applicability of regulatory limita-
Fed. Std. No. 182 Continuous Identification Marking of
tions prior to use.
Nickel and Nickel-Base Alloys
2. Referenced Documents
2.3 Military Standard:
MIL-STD-129 Marking for Shipment and Storage
2.1 ASTM Standards:
B 166 Specification for Nickel-Chromium-Iron Alloys
3. Terminology
(UNS N06600, N06601, N06603, N06690, N06025, and
3.1 Descriptions of Terms Specific to This Standard—The
N06045) and Nickel-Chromium-Cobalt-Molybdenum Al-
terms given in Table 1 shall apply.
loy (UNS N06617) Rod, Bar, and Wire
B 880 Specification for General Requirements for Chemical
4. Ordering Information
Check Analysis Limits for Nickel, Nickel Alloys and
4.1 It is the responsibility of the purchaser to specify all
Cobalt Alloys
4 requirements that are necessary for the safe and satisfactory
E 8 Test Methods for Tension Testing of Metallic Materials
performance of material ordered under this specification.
E 10 Test Method for Brinell Hardness of Metallic Materi-
4 Examples of such requirements include, but are not limited to,
als
the following:
E 18 Test Methods for Rockwell Hardness and Rockwell
4 4.1.1 Alloy —Name or UNS number (see Table 2),
Superficial Hardness of Metallic Materials
4.1.2 ASTM designation, including year of issue,
E 29 Practice for Using Significant Digits in Test Data to
4.1.3 Condition—See 6.1 and 6.2 and Appendix X1,
4.1.4 Finish—Appendix X1,
This specification is under the jurisdiction of ASTM Committee B02 on
4.1.5 Dimensions—Thickness, width, and length,
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
4.1.6 Quantity,
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved Oct. 10, 2000. Published December 2000. Originally
published as B 168 – 41. Last previous edition B 168 – 98.
For ASME Boiler and Pressure Code applications, see related Specification
Annual Book of ASTM Standards, Vol 14.02.
SB-168 in Section II of that Code.
Discontinued: see 1989 Annual Book of ASTM Standards, Vol 03.05.
* New designation established in accordance with Practice E 527 and SAE
Annual Book of ASTM Standards, Vol 03.06.
J1086, Practice for Numbering Metals and Alloys (UNS).
Discontinued: see 1983 Annual Book of ASTM Standards, Vol 10.04.
Annual Book of ASTM Standards, Vol 02.04.
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Annual Book of ASTM Standards, Vol 03.01.
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
B 168
TABLE 1 Product Description
Product Thickness, in. (mm) Width, in. (mm)
A B
Hot-rolled plate ⁄16 and over (Table 5 and Table 6) (Table 8)
A
Hot-rolled sheet 0.018 to 0.250 (0.46 to 6.4), incl (Table 7) (Table 10)
C
Cold-rolled sheet 0.018 to 0.250 (0.46 to 6.4), incl (Table 7) (Table 10)
C
Cold-rolled strip 0.005 to 0.250 (0.13 to 6.4), incl (Table 7) (Table 10)
A
3 1
Material ⁄16 to ⁄4 in. (4.8 to 6.4 mm), incl, in thickness may be furnished as sheet or plate provided the material meets the specification requirements for the condition
ordered.
B
Hot-rolled plate, in widths 10 in. (254 mm) and under, may be furnished as hot-finished rectangles with sheared or cut edges in accordance with Specification B 166,
provided the mechanical property requirements of this specification are met.
C
Material under 48 in. (1219 mm) in width may be furnished as sheet or strip provided the material meets the specification requirements for the condition ordered.
TABLE 2 Chemical Requirements
Composition Limits, %
Element
Alloy N06600 Alloy N06601 Alloy N06617 Alloy N06690 Alloy N06025 Alloy N06045 Alloy N06603
A
Nickel 72.0 min 58.0–63.0 44.5 min 58.0 min Remainder 45.0 min Bal
Chromium 14.0–17.0 21.0–25.0 20.0–24.0 27.0–31.0 24.0–26.0 26.0-29.0 24.0–26.0
Cobalt . . 10.0–15.0 . . . .
Molybdenum . . 8.0–10.0 . . . .
Iron 6.0–10.0 remainder 3.0 max 7.0–11.0 8.0–11.0 21.0–25.0 8.0–11.0
Manganese 1.0 max 1.5 max 1.0 max 0.5 max 0.15 max 1.0 max 0.15 max
Aluminum . 1.0–1.7 0.8–1.5 . 1.8-2.4 . 2.4-3.0
Carbon 0.15 max 0.10 max 0.05–0.15 0.05 max 0.15–0.25 0.05–0.12 0.20-0.40
Copper 0.5 max 1.0 max 0.5 max 0.5 max 0.1 max 0.3 max 0.50 max
Silicon 0.5 max 0.5 max 1.0 max 0.5 max 0.5 max 2.5-3.0 0.50 max
Sulfur 0.015 max 0.015 max 0.015 max 0.015 max 0.010 max 0.010 max 0.010 max
Titanium . . 0.6 max . 0.1–0.2 0.01-0.25
Phosphorus . . . . 0.020 max 0.020 max 0.020 max
Zirconium . . . . 0.01–0.10 0.01–0.10
Yttrium . . . . 0.05–0.12 0.01–0.15
Boron . . 0.006 max . . . .
Nitrogen . . . . . . .
Cerium . . . . . 0.03–0.09 .
A
Element shall be determined arithmetically by difference.
4.1.7 Optional Requirements: or inspections are to be witnessed (Section 13).
4.1.7.1 Sheet and Strip— Whether to be furnished in coil, in
cut straight lengths, or in random straight lengths,
5. Chemical Composition
4.1.7.2 Strip—Whether to be furnished with commercial slit
5.1 The material shall conform to the requirements as to
edge, square edge, or round edge,
chemical composition prescribed in Table 2.
4.1.7.3 Plate—Whether to be furnished specially flattened
5.2 If a product (check) analysis is performed by the
(see 7.7.2); also how plate is to be cut (see 7.2.1 and 7.3.2),
purchaser, the material shall conform to the product (check)
4.1.8 Certification— State if certification or a report of test
analysis variations prescribed in B 880.
results is required (Section 15),
4.1.9 Samples for Product (Check) Analysis—Whether
samples for product (check) analysis should be furnished (see 6. Mechanical Properties and Other Requirements
5.2), and
6.1 Mechanical Properties—The material shall conform to
4.1.10 Purchaser Inspection—If the purchaser wishes to
the mechanical properties prescribed in Table 3.
witness tests or inspection of material at the place of manu-
facture, the purchase order must so state indicating which tests
TABLE 3 Mechanical Properties for Plate, Sheet, and Strip (All Thicknesses and Sizes Unless Otherwise Indicated)
Elongation in 2 in. or 50 mm
A
Yield Strength (0.2 % offset), min, psi
B,C
Condition (Temper) Tensile Strength, min, psi (MPa) Rockwell Hardness
(MPa)
(or 4D), min,%
Hot-Rolled Plate
UNS N06600:
Annealed 80 000 (550) 35 000 (240) 30 .
D,E
As-rolled 85 000 (586) 35 000 (240) 30 .
UNS N06601:
Annealed 80 000 (550) 30 000 (205) 30 .
UNS N06603:
Annealed 94 000 (650) 43 000 (300) 25 .
UNS N06617:
Annealed 95 000 (655) 35 000 (240) 35 .
B 168
TABLE 3 Continued
Elongation in 2 in. or 50 mm
A
Yield Strength (0.2 % offset), min, psi
B,C
Condition (Temper) Tensile Strength, min, psi (MPa) Rockwell Hardness
(MPa)
(or 4D), min,%
UNS N06690:
Annealed 85 000 (586) 35 000 (240) 30 .
D,E
As-rolled 85 000 (586) 35 000 (240) 30 .
F
Annealed 75 000 (514) 30 000 (206) 30 .
UNS N06025
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045
Annealed 90 000 (620) 35 000 (240) 35 .
Hot-Rolled Sheet
UNS N06600:
Annealed 80 000 (550) 35 000 (240) 30 .
UNS N06601:
Annealed 80 000 (550) 30 000 (205) 30 .
UNS N06603:
Annealed 94 000 (650) 43 000 (300) 25 .
UNS N06617:
Annealed 95 000 (655) 35 000 (240) 30 .
UNS N06690:
Annealed 85 000 (586) 35 000 (240) 30 .
UNS N06025
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045
Annealed 90 000 (620) 35 000 (240) 35 .
Cold-Rolled Plate
UNS N06603
Annealed 94 000 (650) 43 000 (300) 25 .
UNS N06025
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045
Annealed 90 000 (620) 35 000 (240) 35 .
Cold-Rolled Sheet
UNS N06600:
G G
Annealed 80 000 (550) 35 000 (240) 30 .
G G
Hard 125 000 (860) 90 000 (620) 2 .
UNS N06601:
G G
Annealed 80 000 (550) 30 000 (205) 30 .
UNS N06603:
G
Annealed 94 000 (650) 43 000 (300) 25 .
UNS N06617:
G G
Annealed 95 000 (655) 35 000 (240) 30 .
UNS N06690:
G G
Annealed 85 000 (586) 35 000 (240) 30 .
G G
Hard 125 000 (860) 90 000 (620) 2 .
UNS N06025
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045
Annealed 90 000 (620) 35 000 (240) 35 .
Cold-Rolled Strip
UNS N06600:
G G
Annealed 80 000 (550) 35 000 (240) 30 .
Skin-hard . . . B 85 to B88
Quarter-hard . . . B 88 to B94
Half-hard . . . B 93 to B98
Three-quarter-hard . . . B 97 to C25
G G
Hard 125 000 (860) 90 000 (620) 2 .
Spring . . . C 30 min
UNS N06601:
G G
Annealed 80 000 (550) 30 000 (205) 30 .
UNS N06603:
G
Annealed 94 000 (650) 43 000 (300) 25 .
UNS N06617:
G G
Annealed 95 000 (655) 35 000 (240) 30 .
UNS N06690:
G G
Annealed 85 000 (586) 35 000 (240) 30 .
Skin-hard . . . B 85 to B88
Quarter-hard . . . B 88 to B94
Half-hard . . . B 93 to B98
Three-quarter-hard . . . B 97 to C25
B 168
TABLE 3 Continued
Elongation in 2 in. or 50 mm
A
Yield Strength (0.2 % offset), min, psi
B,C
Condition (Temper) Tensile Strength, min, psi (MPa) Rockwell Hardness
(MPa)
(or 4D), min,%
G G
Hard 125 000 (860) 90 000 (620) 2 .
Spring . . . C 30 min
UNS N06025
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045
Annealed 90 000 (620) 35 000 (240) 35 .
A
Yield strength requirements do not apply to material under 0.020 in. (0.51 mm) in thickness.
B
For Rockwell or equivalent hardness conversions, see Hardness Conversion Tables E140.
C
Caution should be served in using the Rockwell test on thin material, as the results may be affected by specimen thickness. For thicknesses under 0.050 in. (1.3 mm),
the use of the Rockwell superficial or the Vickers hardness test is suggested.
D
As-rolled plate may be given a stress relieving heat treatment subsequent to final rolling.
E
As-rolled plate specified “suitable for hot forming” shall be furnished from heats of known good hot-malleability characteristics (see X1.2.2). There are no applicable
tensile or hardness requirements for such material.
F
Annealed at 1850°F (1010°C) minimum.
G
Not applicable for thickness under 0.010 in. (0.25 mm).
6.2 Deep Drawing and Spinning Quality Sheet and Strip— 7.1.3 Sheet and Strip— The permissible variations in thick-
The material shall conform to the grain size and hardness ness of sheet and strip shall be as prescribed in Table 7. The
requirements as prescribed in Table 4. thickness of strip and sheet shall be measured with the
6.2.1 The mechanical properties of Table 3 do not apply to micrometer spindle ⁄8in. (9.5 mm) or more from either edge
deep drawing and spinning quality sheet and strip. for material 1 in. (25.4 mm) or over in width and at any place
on the strip under 1 in. in width.
7. Dimensions and Permissible Variations
7.2 Width or Diameter:
7.2.1 Plate—The permissible variations in width of rectan-
7.1 Thickness and Weight:
7.1.1 Plate—For plate up to 2 in. (50.8 mm), inclusive, in gular plates and diameter of circular plates shall be as
prescribed in Table 8 and Table 9.
thickness, the permissible variation under the specified thick-
ness and permissible excess in overweight shall not exceed the 7.2.2 Sheet and Strip— The permissible variations in width
amounts prescribed in Table 5. for sheet and strip shall be as prescribed in Table 10.
7.1.1.1 For use with Table 5, plate shall be assumed to
7.3 Length:
3 3
weigh 0.304 lb/in. (8.415 g/cm ).
7.3.1 Sheet and strip of all sizes may be ordered to cut
7.1.2 Plate—For plate over 2 in. (50.8 mm) in thickness, the
lengths, in which case a variation of ⁄8 in. (3.2 mm) over the
permissible variations over the specified thickness shall not
specified length shall be permitted.
exceed the amounts prescribed in Table 6.
7.3.2 Permissible variations in length of rectangular plate
shall be as prescribed in Table 11.
7.4 Straightness:
TABLE 4 Grain Size and Hardness for Cold-Rolled, Deep-
7.4.1 The edgewise curvature (depth of chord) of flat sheet,
Drawing, and Spinning-Quality Sheet and Strip
strip, and plate shall not exceed 0.05 in. multiplied by the
Calculated
Corresponding
Diameter of
length in feet (0.04 mm multiplied by the length in centime-
A,B
Thickness, in. ASTM Rockwell B
Average Grain
tres).
(mm) MicroGrain Hardness, max
Section, max, in.
Size No.
(mm) 7.4.2 Straightness for coiled material is subject to agree-
Sheet (56 in. (1.42 m) Wide and Under)
ment between the manufacturer and the purchaser.
0.050 (1.3) and less 0.0030 (0.075) 4.5 86
7.5 Edges:
Over 0.050 to 0.250 0.0043 (0.110) 3.5 86
(1.3 to 6.4), incl 7.5.1 When finished edges of strip are specified in the
C
Strip (12 in. (305 mm) Wide and Under)
contract or order, the following descriptions shall apply:
D E E
0.005 to 0.010 0.0009 (0.022) 8 88
7.5.1.1 Square-edge strip shall be supplied with finished
(0.13 to 0.25),
incl
edges, with sharp, square corners,
...