ASTM B575-17(2023)

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.
Designation: B575 − 17 (Reapproved 2023)
Standard Specification for
Low-Carbon Nickel-Chromium-Molybdenum, Low-Carbon
Nickel-Chromium-Molybdenum-Copper, Low-Carbon Nickel-
Chromium-Molybdenum-Tantalum, Low-Carbon Nickel-
Chromium-Molybdenum-Tungsten, and Low-Carbon Nickel-
Molybdenum-Chromium Alloy Plate, Sheet, and Strip
This standard is issued under the fixed designation B575; 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.
1. Scope 1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This specification covers plate, sheet, and strip of
ization established in the Decision on Principles for the
low-carbon nickel-chromium-molybdenum alloys (UNS
Development of International Standards, Guides and Recom-
N10276, N06022, N06455, N06035, N06044, UNS N06058,
mendations issued by the World Trade Organization Technical
UNS N06059), low-carbon nickel-chromium-molybdenum-
Barriers to Trade (TBT) Committee.
copper alloy (UNS N06200), low-carbon nickel-molybdenum-
chromium (UNS N10362), low-carbon nickel-chromium-
2. Referenced Documents
molybdenum-tantalum alloy (UNS N06210), and low-carbon
nickel-chromium-molybdenum-tungsten alloy (UNS N06686)
2.1 ASTM Standards:
as shown in Table 1, for use in general corrosive service.
B906 Specification for General Requirements for Flat-
1.2 The following products are covered under this specifi- Rolled Nickel and Nickel Alloys Plate, Sheet, and Strip
cation: E112 Test Methods for Determining Average Grain Size
1.2.1 Sheet and Strip—Hot or cold rolled, solution annealed, E140 Hardness Conversion Tables for Metals Relationship
and descaled unless solution anneal is performed in an atmo- Among Brinell Hardness, Vickers Hardness, Rockwell
sphere yielding a bright finish. Hardness, Superficial Hardness, Knoop Hardness, Sclero-
1.2.2 Plate—Hot or cold rolled, solution annealed, and
scope Hardness, and Leeb Hardness
descaled.
E527 Practice for Numbering Metals and Alloys in the
Unified Numbering System (UNS)
1.3 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
3. Terminology
conversions to SI units that are provided for information only
and are not considered standard.
3.1 Definitions of Terms Specific to This Standard:
3 3
1.4 This standard does not purport to address all of the 3.1.1 cold-rolled plate, n—material ⁄16 in. to ⁄8 in.
safety concerns, if any, associated with its use. It is the
(4.76 mm to 9.52 mm), inclusive, in thickness.
responsibility of the user of this standard to establish appro-
3.1.2 hot-rolled plate, n—material ⁄16 in. (4.76 mm) and
priate safety, health, and environmental practices and deter-
over in thickness.
mine the applicability of regulatory limitations prior to use.
3.1.3 plate, n—material ⁄16 in. (4.76 mm) and over in
thickness.
This specification is under the jurisdiction of ASTM Committee B02 on
3.1.4 sheet and strip, n—material under ⁄16 in. (4.76 mm) in
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
thickness.
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved April 1, 2023. Published April 2023. Originally
approved in 1972. Last previous edition approved in 2017 as B575 – 17. DOI:
10.1520/B0575-23.
2 4
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- For referenced ASTM standards, visit the ASTM website, www.astm.org, or
cation SB-575 in Section II of that Code. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Designation established in accordance with Practice E527 and SAE J1086, Standards volume information, refer to the standard’s Document Summary page on
Practice for Numbering Metals and Alloys (UNS). the ASTM website.
*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
B575 − 17 (2023)
TABLE 1 Chemical Requirements
Composition Limits, %
Element
Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy Alloy
N06035 N06044 N10276 N06022 N06455 N06059 N06058 N06200 N06210 N10362 N06686
Molybdenum 7.60–9.00 0.80-1.20 15.0–17.0 12.5–14.5 14.0–17.0 15.0–16.5 18.5–21.0 15.0–17.0 18.0–20.0 21.5–23.0 15.0-17.0
Chromium 32.25–34.25 43.5-45.3 14.5–16.5 20.0–22.5 14.0–18.0 22.0–24.0 20.0–23.0 22.0–24.0 18.0–20.0 13.8–15.6 19.0-23.0
Iron 2.00 max 0.3 max 4.0–7.0 2.0–6.0 3.0 max 1.5, max 1.5, max 3.0 max 1.0 max 1.25 max 5.0 max
Tungsten 0.60 max . 3.0–4.5 2.5–3.5 . . 0.3 max . . . 3.0-4.4
Cobalt, max 1.00 . 2.5 2.5 2.0 0.3 0.3 2.0 max 1.0 . .
Carbon, max 0.050 0.02 0.010 0.015 0.015 0.010 0.010 0.010 0.015 0.010 0.010
Silicon, max 0.60 0.20 0.08 0.08 0.08 0.10 0.10 0.08 0.08 0.08 0.08
Manganese, max 0.50 0.07-0.30 1.0 0.50 1.0 0.5 0.5 0.50 0.5 0.60 0.75
Vanadium, max 0.20 . 0.35 0.35 . . . . 0.35 . .
Phosphorus, max 0.030 0.020 0.04 0.02 0.04 0.015 0.015 0.025 0.02 0.025 0.04
Sulfur, max 0.015 0.020 0.03 0.02 0.03 0.010 0.010 0.010 0.02 0.010 0.02
Titanium . 0.10-0.30 . . 0.7 max . . . . . 0.02-0.25
A A A A A A A A
Nickel remainder Bal remainder remainder remainder Bal Bal remainder remainder remainder remainder
Aluminum 0.40 max 0.30 max . . . 0.1–0.4 0.40 max 0.50 max . 0.50 max .
Copper 0.30 max . . . . 0.50 max 0.50 max 1.3–1.9 . . .
Tantalum . . . . . . . . 1.5–2.2 . .
Nitrogen . . . . . . 0.02–0.15
A
Shall be determined arithmetically by difference.

B575 − 17 (2023)
TABLE 2 Mechanical Property Requirements
Yield Strength (0.2 %
Elongation in 2 in.
B
Tensile Strength, min, psi
Rockwell Hardness,
A
Alloy Offset), min, psi
(50.8 mm) or 4D
max
(MPa)
min, %
(MPa)
N10276 100 000 (690) 41 000 (283) 40 100 HRB
N06022 100 000 (690) 45 000 (310) 45 100 HRB
N06455 100 000 (690) 40 000 (276) 40 100 HRB
N06035 85 000 (586) 35 000 (241) 30 100 HRB
N06044 100 000 (690) 45 000 (310) 30 100 HRB
N06058 110 000 (760) 52 000 (360) 40 100 HRB
N06059 100 000 (690) 45 000 (310) 45 100 HRB
N06200 100 000 (690) 45 000 (310) 45 100 HRB
N10362 105 000 (725) 45 000 (310) 40 100 HRB
N06686 100 000 (690) 45 000 (310) 45 100 HRB
N06210 100 000 (690) 45 000 (310) 45 100 HRB
A
D refers to the diameter of the tension specimen.
B
Hardness values are shown for information purposes only and are not to be used as a basis of acceptance or rejection. For approx
...