ASTM B168-19e1

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.
´1
Designation:B168 −19 Used in USDOE-NE Standards
Standard Specification for
Nickel-Chromium-Aluminum Alloys (UNS N06699), Nickel-
Chromium-Iron Alloys (UNS N06600, N06601, N06603,
N06690, N06693, N06025, N06045, and N06696), Nickel-
Chromium-Cobalt-Molybdenum Alloy (UNS N06617), Nickel-
Iron-Chromium-Tungsten Alloy (UNS N06674), and Nickel-
Chromium-Molybdenum-Copper Alloy (UNS N06235) Plate,
Sheet, and Strip
This standard is issued under the fixed designation B168; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
ε NOTE—An editorial correction was made to Table 3 in October 2022.
1. Scope* 1.4 This international standard was developed in accor-
2 dance with internationally recognized principles on standard-
1.1 This specification covers rolled nickel-chromium-
ization established in the Decision on Principles for the
aluminum alloys (UNS N06699), nickel-chromium-iron alloys
Development of International Standards, Guides and Recom-
(UNS N06600, N06601, N06603, N06690, N06693, N06025,
mendations issued by the World Trade Organization Technical
N06045, and N06696), nickel-chromium-cobalt-molybdenum
Barriers to Trade (TBT) Committee.
alloy (UNS N06617), nickel-iron-chromium-tungsten alloy
(UNS N06674), and nickel-chromium-molybdenum-copper al-
2. Referenced Documents
loy (UNS N06235) plate, sheet, and strip.
2.1 ASTM Standards:
1.2 The values stated in inch-pound units are to be regarded
B166 Specification for Nickel-Chromium-Aluminum Alloy,
as standard. The values given in parentheses are mathematical
Nickel-Chromium-IronAlloys,Nickel-Chromium-Cobalt-
conversions to SI units that are provided for information only
Molybdenum Alloy, Nickel-Iron-Chromium-Tungsten
and are not considered standard.
Alloy, and Nickel-Chromium-Molybdenum-CopperAlloy
1.3 The following precautionary caveat pertains only to the
Rod, Bar, and Wire
test methods portion, Section 13, of this specification: This
B880 Specification for General Requirements for Chemical
standard does not purport to address all of the safety concerns,
Check Analysis Limits for Nickel, Nickel Alloys and
if any, associated with its use. It is the responsibility of the user
Cobalt Alloys
of this standard to become familiar with all hazards including
E8/E8M Test Methods for Tension Testing of Metallic Ma-
those identified in the appropriate Safety Data Sheet (SDS) for
terials
this product/material as provided by the manufacturer, to
E10 Test Method for Brinell Hardness of Metallic Materials
establish appropriate safety, health, and environmental
E18 Test Methods for Rockwell Hardness of Metallic Ma-
practices, and determine the applicability of regulatory limi-
terials
tations prior to use.
E29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications
E38 Methods for Chemical Analysis of Nickel-Chromium
This specification is under the jurisdiction of ASTM Committee B02 on
and Nickel-Chromium-Iron Alloys (Withdrawn 1989)
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved May 1, 2019. Published May 2019. Originally
approved in 1941. Last previous edition approved in 2018 as B168 – 18. DOI: For referenced ASTM standards, visit the ASTM website, www.astm.org, or
10.1520/B0168-19E01. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
For ASME Boiler and Pressure Code applications, see related Specification Standards volume information, refer to the standard’s Document Summary page on
SB-168 in Section II of that Code. the ASTM website.
3 5
New designation established in accordance with Practice E527 and SAE J1086, The last approved version of this historical standard is referenced on
Practice for Numbering Metals and Alloys (UNS). www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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B168−19
E112 Test Methods for Determining Average Grain Size 4.1.8 Certification—State if certification or a report of test
E140 Hardness Conversion Tables for Metals Relationship results is required (Section 16),
Among Brinell Hardness, Vickers Hardness, Rockwell 4.1.9 Samples for Product (Check) Analysis—Whether
Hardness, Superficial Hardness, Knoop Hardness, Sclero- samples for product (check) analysis should be furnished (see
scope Hardness, and Leeb Hardness 5.2), and
E527 Practice for Numbering Metals and Alloys in the 4.1.10 Purchaser Inspection—If the purchaser wishes to
Unified Numbering System (UNS) witness tests or inspection of material at the place of
E1473 Test Methods for Chemical Analysis of Nickel, Co- manufacture, the purchase order must so state indicating which
balt and High-Temperature Alloys tests or inspections are to be witnessed (Section 14).
F155 Method of Test for Temper of Strip and Sheet Metals
5. Chemical Composition
for Electronic Devices (Spring-Back Method)(Withdrawn
1982)
5.1 The material shall conform to the requirements as to
2.2 Federal Standards:
chemical composition prescribed in Table 2.
Fed. Std. No. 102 Preservation, Packaging and Packing
5.2 If a product (check) analysis is performed by the
Levels
purchaser, the material shall conform to the product (check)
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
analysis variations prescribed in Specification B880.
Fed. Std. No. 182 Continuous Identification Marking of
Nickel and Nickel-Base Alloys
6. Heat Treatment
2.3 Military Standard:
6.1 Material of N06674 shall be solution annealed after
MIL-STD-129 Marking for Shipment and Storage
cold-working or hot-working by heating to 2150°F (1175°C)
minimum, followed by quenching in water or rapidly cooling
3. Terminology
by other means.
3.1 Descriptions of Terms Specific to This Standard—The
terms given in Table 1 shall apply.
7. Mechanical Properties and Other Requirements
7.1 Mechanical Properties—The material shall conform to
4. Ordering Information
the mechanical properties prescribed in Table 3.
4.1 It is the responsibility of the purchaser to specify all
7.2 Deep Drawing and Spinning Quality Sheet and Strip—
requirements that are necessary for the safe and satisfactory
The material shall conform to the grain size and hardness
performance of material ordered under this specification.
requirements as prescribed in Table 4.
Examples of such requirements include, but are not limited to,
7.2.1 The mechanical properties of Table 3 do not apply to
the following:
deep drawing and spinning quality sheet and strip.
4.1.1 Alloy—Name or UNS number (see Table 2),
4.1.2 ASTM designation, including year of issue,
7.3 Grain Size—Except as prescribed in 7.2, the grain size
4.1.3 Condition—See 7.1 and 7.2 and Appendix X1,
for N06674 shall be 7 or coarser, as determined in accordance
4.1.4 Finish—Appendix X1,
with Test Methods E112.
4.1.5 Dimensions—Thickness, width, and length,
8. Dimensions and Permissible Variations
4.1.6 Quantity,
4.1.7 Optional Requirements:
8.1 Thickness and Weight:
4.1.7.1 Sheet and Strip—Whether to be furnished in coil, in
8.1.1 Plate—For plate up to 2 in. (50.8 mm), inclusive, in
cut straight lengths, or in random straight lengths,
thickness, the permissible variation under the specified thick-
4.1.7.2 Strip—Whether to be furnished with commercial slit
ness and permissible excess in overweight shall not exceed the
edge, square edge, or round edge,
amounts prescribed in Table 5.
4.1.7.3 Plate—Whether to be furnished specially flattened
8.1.1.1 For use with Table 5, plate shall be assumed to
3 3
(see 8.7.2); also how plate is to be cut (see 8.2.1 and 8.3.2),
weigh 0.304 lb/in. (8.415 g/cm ).
8.1.2 Plate—For plate over 2 in. (50.8 mm) in thickness, the
permissible variations over the specified thickness shall not
Available from DLA Document Services, Building 4/D, 700 Robbins Ave.,
exceed the amounts prescribed in Table 6.
Philadelphia, PA 19111-5094, http://quicksearch.dla.mil.
TABLE 1 Product Description
Product Thickness, in. (mm) Width, in. (mm)
A 3 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 B166,
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.
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B168−19
A
TABLE 2 Chemical Requirements
Composition Limits, %
Element
Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy
N06600 N06601 N06617 N06674 N06690 N06693 N06025 N06045 N06603 N06696 N06235 N06699
B B B B B B B
Nickel 72.0 min 58.0–63.0 44.5 min remainder 58.0 min remainder remainder 45.0 min remainder remainder remainder remainder
Chromium 14.0–17.0 21.0–25.0 20.0–24.0 21.5–24.5 27.0–31.0 27.0–31.0 24.0–26.0 26.0–29.0 24.0–26.0 28.0–32.0 30.0-32.5 26.0-30.0
Cobalt . . 10.0–15.0 . . . . . . . 1.0 max .
Molybdenum . . 8.0–10.0 . . . . . . 1.0–3.0 5.0-6.2 .
Niobium . . . 0.10–0.35 . 0.5–2.5 . . . . 1.0 max 0.50 max
B
Iron 6.0–10.0 remainder 3.0 max 20.0–27.0 7.0–11.0 2.5–6.0 8.0–11.0 21.0–25.0 8.0–11.0 2.0–6.0 1.5 max 2.5 max
Manganese 1.0 max 1.0 max 1.0 max 1.50 max 0.5 max 1.0 max 0.15 max 1.0 max 0.15 max 1.0 max 0.3-0.65 0.50 max
Aluminum . 1.0–1.7 0.8–1.5 . . 2.5–4.0 1.8-2.4 . 2.4-3.0 . 0.2-0.4 1.9-3.0
Carbon 0.15 max 0.10 max 0.05–0.15 0.10 max 0.05 max 0.15 max 0.15–0.25 0.05–0.12 0.20-0.40 0.15 max 0.02-0.06 0.005-0.10
Copper 0.5 max 1.0 max 0.5 max . 0.5 max 0.5 max 0.1 max 0.3 max 0.50 max 1.5–3.0 3.5-4.0 0.50 max
Silicon 0.5 max 0.5 max 1.0 max 1.0 max 0.5 max 0.5 max 0.5 max 2.5-3.0 0.50 max 1.0–2.5 0.2-0.6 0.50 max
Sulfur 0.015 max 0.015 max 0.015 max 0.015 max 0.015 max 0.01 max 0.010 max 0.010 max 0.010 max 0.010 max 0.015 max 0.01 max
Titanium . . 0.6 max 0.05–0.20 . 1.0 max 0.1–0.2 . 0.01-0.25 1.0 max 0.5 max 0.60 max
Phosphorus . . . 0.030 max . . 0.020 max 0.020 max 0.020 max . 0.03 max 0.02 max
Zirconium . . . . . . 0.01–0.10 . 0.01–0.10 . . 0.10 max
Yttrium . . . . . . 0.05–0.12 . 0.01–0.15 . . .
Boron . . 0.006 max 0.0005–0.006 . . . . . . . 0.008 max
Nitrogen . . . 0.02 max . . . . . . . 0.05 max
Cerium . . . . . . . 0.03–0.09 . . . .
Tungsten . . . 6.0–8.0 . . . . . . 0.60 max .
A
Where ellipses (.) appear in this table there is no requirement and the element need neither be analyzed for nor reported.
B
Element shall be determined arithmetically by difference.

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B168−19
TABLE 3 Mechanical Properties for Plate, Sheet, and Strip (All Thicknesses and Sizes Unless Otherwise Indicated)
A
Elongation in 2 in. or
Yield Strength
Tensile Strength, min,
B,C
Condition (Temper) (0.2 % offset), min, 50 mm Rockwell Hardness
psi (MPa)
psi (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 .
UNS N06674:
Annealed 86 000 (590) 34 000 (235) 30 .
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 N06693:
Annealed 100 000 (690) 50 000 (345) 30 .
UNS N06025:
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06235:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06699:
Annealed 89 000 (610) 35 000 (240) 40 .
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 N06674:
Annealed 86 000 (590) 34 000 (235) 30 .
UNS N06690:
Annealed 85 000 (586) 35 000 (240) 30 .
UNS N06693:
Annealed 100 000 (690) 50 000 (345) 30 .
UNS N06025:
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06235:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06699:
Annealed 89 000 (610) 35 000 (240) 40 .
Cold-Rolled Plate
UNS N06603:
Annealed 94 00 (650) 43 000 (300) 25 .
UNS N06674:
Annealed 86 000 (590) 34 000 (235) 30 .
UNS N06025:
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06235:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06699:
Annealed 89 000 (610) 35 000 (240) 40 .
Cold-Rolled Sheet
UNS N06600:
G G
Annealed 80 000 (550) 35 000 (240) 30 .
G G
125 000 (860) 2
Hard 90 000 (620) .
UNS N06601:
G G
Annealed 80 000 (550) 30 000 (205) 30 .
UNS N06603:
G
Annealed 94 000 (650) 43 000 (300) 25 .
UNS N06674:
Annealed 86 000 (590) 34 000 (235) 30 .
UNS N06617:
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B168−19
TABLE3 Continued
A
Elongation in 2 in. or
Yield Strength
Tensile Strength, min,
B,C
Condition (Temper) (0.2 % offset), min, 50 mm Rockwell Hardness
psi (MPa)
psi (MPa)
(or 4D), min,%
G G
Annealed 95 000 (655) 35 000 (240) 25 .
UNS N06690:
G G
Annealed 85 000 (586) 35 000 (240) 30 .
G G
125 000 (860) 2
Hard 90 000 (620) .
UNS N06693:
Annealed 100 000 (690) 50 000 (345) 30 .
UNS N06025:
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06235:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06699:
Annealed 89 000 (610) 35 000 (240) 40 .
Cold-Rolled Strip
UNS N06600:
G G
Annealed 80 000 (550) 35 000 (240) 30 .
Skin-hard . . . B85 to B88
Quarter-hard . . . B88 to B94
Half-hard . . . B93 to B98
Three-quarter-hard . . . B97 to C25
G G
Hard 125 000 (860) 90 000 (620) 2 .
Spring . . . C30 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 N06674:
Annealed 86 000 (590) 34 000 (235) 30 .
UNS N06690:
G G
Annealed 85 000 (586) 35 000 (240) 30 .
Skin-hard . . . B85 to B88
Quarter-hard . . . B88 to B94
Half-hard . . . B93 to B98
Three-quarter-hard . . . B97 to C25
G G
Hard 125 000 (860) 90 000 (620) 2 .
Spring . . . C30 min
UNS N06693:
Annealed 100 000 (690) 50 000 (345) 30 .
UNS N06025:
Annealed 98 000 (680) 39 000 (270) 30 .
UNS N06045:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06696:
Annealed 85 000 (586) 35 000 (240) 30 .
UNS N06235:
Annealed 90 000 (620) 35 000 (240) 35 .
UNS N06699:
Annealed 89 000 (610) 35 000 (240)† 40 .
† Editorially corrected.
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).
8.1.3 Sheet and Strip—The permissible variations in thick- 8.2 Width or Diameter:
ness of sheet and strip shall be as prescribed in Table 7. The 8.2.1 Plate—The permissible variations in width of rectan-
thickness of strip and sheet shall be measured with the gular plates and diameter of circular plates shall be as
micrometer spindle ⁄8 in. (9.5 mm) or more from either edge prescribed in Table 8 and Table 9.
for material 1 in. (25.4 mm) or over in width and at any place 8.2.2 Sheet and Strip—The permissible variations in width
on the strip under 1 in. in width. for sheet and strip shall be as prescribed in Table 10.
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B168−19
TABLE 4 Grain Size and Hardness for Cold-Rolled, Deep-
Drawing, and Spinning-Quality Sheet and Strip
Calculated
Corresponding
Diameter of
A,B
Thickness, in. ASTM
Rockwell B
Average Grain
(mm) MicroGrain Hardness, max
Section, max, in.
Size No.
(mm)
Sheet (56 in. (1.42 m) Wide and Under)
0.050 (1.3) and less 0.0030 (0.075) 4.5 86
Over 0.050 to 0.250 0.0043 (0.110) 3.5 86
(1.3 to 6.4), incl
C
Strip (12 in. (305 mm) Wide and Under)
D E E
0.005 to 0.010 0.0009 (0.022) 8 88
(0.13 to 0.25),
incl
Over 0.010 to 0.125 0.0030 (0.075) 4.5 86
(0.25 to 3.2), incl
A
For Rockwell or equivalent hardness conversions, see Hardness Conversion
Tables E140.
B
Caution should be observed 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.
C
Sheet requirements (above) apply to strip thicknesses over 0.125 in. (3.2 mm),
and for all thicknesses of strip over 12 in. (305 mm) in width.
D
For ductility evaluations for strip under 0.005 in. (0.13 mm) in thickness, the
springback test, such as described in Test Method F155, is often used and the
manufacturer should be consulted.
E
Accurate grain size and hardness determinations are difficult to make on strip
under 0.005 in. (0.13 mm) in thickness and are not recommended.
TABLE 5 Permissible Variations in Thickness and Overweight of Rectangular Plates
NOTE 1—All plates shall be ordered to thickness and not to weight per square foot (cm). No plates shall vary more than 0.01 in. (0.3 mm) under the
A
thickness ordered, and the overweight of each lot in each shipment shall not exceed the amount in the table. Spot grinding is permitted to remove surface
imperfections, such spots not to exceed 0.01 in. under the specified thickness.
B,C
Permissible Excess in Average Weight per Square Foot of Plates for Widths Given in Inches (Millimetres) Expressed in
Percentage of Nominal Weights
108 to 120 to 132 to 144 to
Specified Thickness,
48 to 60 60 to 72 72 to 84 84 to 96 96 to 108
120 132 144 160
in. (mm) Under 48 (1220 to (1520 to (1830 to (2130 to (2440 to
(2740 to (3050 to (3350 to (3660 to
(1220) 1520), 1830), 2130), 2440), 2740),
3050), 3350), 3660), 4070),
excl excl excl excl excl
excl excl excl excl
3 5
⁄16 to ⁄16 (4.8 to 7.9), excl 9.0 10.5 12.0 13.5 15.0 16.5 18.0 . . .
5 3
⁄16 to ⁄8 (7.9 to 9.5), excl 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0 . .
3 7
⁄8 to ⁄16 (9.5 to 11.1), excl 7.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0 19.5
7 1
⁄16 to ⁄2 (11.1 to 12.7), excl 6.0 7.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0
1 5
⁄2 to ⁄8 (12.7 to 15.9), excl 5.0 6.0 7.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5
5 3
⁄8 to ⁄4 (15.9 to 19.1), excl 4.5 5.5 6.0 7.0 7.5 9.0 10.5 12.0 13.5 15.0
⁄4 to 1 (19.1 to 25.4), excl 4.0 4.5 5.5 6.0 7.0 7.5 9.0 10.5 12.0 13.5
1 to 2 (25.4 to 50.8), incl 4.0 4.0 4.5 5.5 6.0 7.0 7.5 9.0 10.5 12.0
A
The term “lot” applied to this table means all of the plates of each group width and each group thickness.
B
The permissible overweight for lots of circular and sketch plates shall be 25 % greater than the amounts given in this table.
C
The weight of individual plates shall not exceed the nominal weight by more than 1 ⁄4 times the amount given in the table and Footnote B.
TABLE 6 Permissible Variations in Thickness for Rectangular Plates Over 2 in. (51 mm) in Thickness
NOTE 1—Permissible variation under specified thickness, 0.01 in. (0.3 mm).
Permissible Variations, in. (mm), over Specified Thickness for Widths Given, in. (mm)
60 to 84 84 to 120 120 to 132
Specified Thickness, in. (mm) To 36 (915), 36 to 60 (915 132 (3350)
(1520 to (2130 to (3050 to
excl to 1520), excl and over
2130), excl 3050), excl 3350), excl
1 3 7 1 1 9
Over 2 to 3 (51 to 76), excl ⁄16 (1.6) ⁄32 (2.4) ⁄64 (2.8) ⁄8 (3.2) ⁄8 (3.2) ⁄64 (3.6)
5 3 7 1 1 9
3 to 4 (76 to 102), incl ⁄64 (2.0) ⁄32 (2.4) ⁄64 (2.8) ⁄8 (3.2) ⁄8 (3.2) ⁄64 (3.6)
8.3 Length: 8.3.2 Permissible variations in length of rectangular plate
8.3.1 Sheet and strip of all sizes may be ordered to cut shall be as prescribed in Table 11.
lengths, in which case a variation of ⁄8 in. (3.2 mm) over the
8.4 Straightness:
specified length shall be permitted.
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B168−19
TABLE 7 Permissible Variations in Thickness of Sheet and Strip
(Permissible Variations, Plus and Minus, in Thickness, in. (mm), for Widths Given in in. (mm))
A
Sheet
Hot-Rolled Cold-Rolled
Specified Thickness, in. (mm)
Over 48 to 60 Over 48 to 60
48 (1220) 48 (1220)
(1220 to 1520), (1220 to 1520),
and Under and Under
incl incl
0.018 to 0.025 (0.5 to 0.6), incl 0.003 (0.08) 0.004 (0.10) 0.002 (0.05) 0.003 (0.08)
Over 0.025 to 0.034 (0.6 to 0.9), incl 0.004 (0.10) 0.005 (0.13) 0.003 (0.08) 0.004 (0.10)
Over 0.034 to 0.043 (0.9 to 1.1), incl 0.005 (0.13) 0.006 (0.15) 0.004 (0.10) 0.005 (0.13)
Over 0.043 to 0.056 (1.1 to 1.4), incl 0.005 (0.13) 0.006 (0.15) 0.004 (0.10) 0.005 (0.13)
Over 0.056 to 0.070 (1.4 to 1.8), incl 0.006 (0.15) 0.007 (0.18) 0.005 (0.13) 0.006 (0.15)
Over 0.070 to 0.078 (1.8 to 1.9), incl 0.007 (0.18) 0.008 (0.20) 0.006 (0.15) 0.007 (0.18)
Over 0.078 to 0.093 (1.9 to 2.4), incl 0.008 (0.20) 0.009 (0.23) 0.007 (0.18) 0.008 (0.20)
Over 0.093 to 0.109 (2.4 to 2.8), incl 0.009 (0.23) 0.010 (0.25) 0.007 (0.18) 0.009 (0.23)
Over 0.109 to 0.125 (2.8 to 3.2), incl 0.010 (0.25) 0.012 (0.31) 0.008 (0.20) 0.010 (0.25)
Over 0.125 to 0.140 (3.2 to 3.6), incl 0.012 (0.31) 0.014 (0.36) 0.008 (0.20) 0.010 (0.25)
Over 0.140 to 0.171 (3.6 to 4.3), incl 0.014 (0.36) 0.016 (0.41) 0.009 (0.23) 0.012 (0.31)
Over 0.171 to 0.187 (4.3 to 4.8), incl 0.015 (0.38) 0.017 (0.43) 0.010 (0.25) 0.013 (0.33)
Over 0.187 to 0.218 (4.8 to 5.5), incl 0.017 (0.43) 0.019 (0.48) 0.011 (0.28) 0.015 (0.38)
Over 0.218 to 0.234 (5.5 to 5.9), incl 0.018 (0.46) 0.020 (0.51) 0.012 (0.31) 0.016 (0.41)
Over 0.234 to 0.250 (5.9 to 6.4), incl 0.020 (0.51) 0.022 (0.56) 0.013 (0.33) 0.018 (0.46)
A,B
Cold-Rolled Strip
Specified Thickness, in. (mm) Widths 12 in. (305 mm) and under, plus and minus
Up to 0.050 (1.27), incl 0.0015 (0.038)
Over 0.050 to 0.093 (1.27 to 2.39), incl 0.0025 (0.063)
Over 0.093 to 0.125 (2.39 to 3.18), incl 0.004 (0.11)
A
Measured ⁄8 in. (9.5 mm) or more from either edge except for strip under 1 in. (25.4 mm) in width which is measured at any place.
B
Standard sheet tolerances apply for thicknesses over 0.125 in. (3.2 mm) and for all thicknesses of strip over 12 in. (305 mm) wide.
A B,C
TABLE 8 Permissible variations of Sheared, Plasma-Torch-Cut, and Abrasive-Cut Rectangular Plate
Permissible Variations in Widths for Widths Given, in. (mm)
Up to
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