ASTM B575-17

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

ASTM International, 06/01/2017

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Published:01/06/2017

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1.1 This specification2 covers plate, sheet, and strip of low-carbon nickel-chromium-molybdenum alloys (UNS N10276, N06022, N06455, N06035, N06044, UNS N06058, UNS N06059),3 low-carbon nickel-chromium-molybdenum-copper alloy (UNS N06200), low-carbon nickel-molybdenum-chromium (UNS N10362), low-carbon nickel-chromium-molybdenum-tantalum alloy (UNS N06210), and low-carbon nickel-chromium-molybdenum-tungsten alloy (UNS N06686) as shown in Table 1, for use in general corrosive service.

TABLE 1 Chemical Requirements Element Composition Limits, % Alloy
N06035 Alloy
N06044 Alloy
N10276 Alloy
N06022 Alloy
N06455 Alloy
N06059 Alloy
N06058 Alloy
N06200 Alloy
N06210 Alloy
N10362 Alloy
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 Nickel remainder^A Bal remainder^A remainder^A remainder^A Bal Bal remainder^A remainder^A remainder^A remainder^A 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.

TABLE 2 Mechanical Property Requirements Alloy Tensile Strength, min, psi (MPa) Yield Strength (0.2 % Offset), min, psi
(MPa) Elongation in 2 in.
(50.8 mm) or 4D^A
min, % Rockwell Hardness,^B
max 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 approximate hardness conversions, see Hardness Conversion Tables E140.

1.2 The following products are covered under this specification:

1.2.1 Sheet and Strip-Hot or cold rolled, solution annealed, and descaled unless solution anneal is performed in an atmosphere yielding a bright finish.

1.2.2 Plate-Hot or cold rolled, solution annealed, and descaled.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

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.

ASTM B575-17

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

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