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    ASTM B574-17

    Standard Specification for Low-Carbon Nickel-Chromium-Molybdenum, Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, and Low-Carbon Nickel-Chromium-Molybdenum-Tungsten Alloy Rod

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    1. Scope

    1.1 This specification2 covers rod of low-carbon nickel-chromium-molybdenum alloys (UNS N10276, N06022, N06035, N06044, N06455, N06058, and N06059), low-carbon nickel-molybdenum-chromium (USN N10362), low-carbon nickel-molybdenum-chromium-tantalum (UNS N06210), low-carbon nickel-chromium-molybdenum-copper alloy (UNS N06200), and low-carbon nickel-chromium-molybdenum-tungsten (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
    N10362

    Alloy
    N06210

    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

    21.5-23.0

    18.0–20.0

    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

    13.8-15.6

    18.0–20.0

    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

    1.25 max

    1.0 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 max

    2.0 max

    ...

    1.0

    ...

    Carbon, max

    0.050

    0.02

    0.010

    0.015

    0.015

    0.010

    0.010

    0.010

    0.010

    0.015

    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

    0.5

    0.60

    0.5

    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

    0.025

    0.02

    0.04

    Sulfur, max

    0.015

    0.020

    0.03

    0.02

    0.03

    0.010

    0.010

    0.010

    0.010

    0.02

    0.02

    Titanium

    ...

    0.10-0.30

    ...

    ...

    0.7 max

    ...

    ...

    ...

    ...

    ...

    0.02-0.25

    Nickel

    remainderA

    Bal

    remainderA

    remainderA

    remainderA

    Bal

    Bal

    remainderA

    remainderA

    remainderA

    remainderA

    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) See 12.1.1.

    TABLE 2 Permissible Variations in Diameter and Out-of-Roundness of As Cold Finished Rods

    Specified Diameter, in. (mm)

    Permissible Variations, in. (mm)

    Diameter

    Out of Roundness, max

    +

    −

    1/4 –7/16 (6.35–11.11), incl

    0.012 (0.30)

    0.012 (0.30)

    0.018 (0.46)

    Over 7/16 –5/8 (11.11–15.87), incl

    0.014 (0.36)

    0.014 (0.36)

    0.020 (0.51)

    Over 5/8 –3/4 (15.87–19.05), excl

    0.016 (0.41)

    0.016 (0.41)

    0.024 (0.61)

    3/4 –31/2 (19.05–88.9), incl

    0.010 (0.25)

    0.010 (0.25)

    0.010 (0.25)

    TABLE 3 Mechanical Property Requirements for As Cold Finished Rods

    Alloy

    Grade

    Tensile Strength, min, psi (MPa)

    Yield Strength (0.2 % Offset), min, psi
    (MPa)

    Elongation in 2 in.
    (50.8 mm) or 4DA
    min, %

    N06059

    1

    120 (827)

    85 (586)

    20

     

    2

    135 (931)

    125 (862)

    20

     

    3

    160 (1103)

    150 (1034)

    15

    N06686

    1

    120 (827)

    85 (586)

    20

     

    2

    135 (931)

    125 (862)

    20

     

    3

    160 (1103)

    150 (1034)

    20

    (A) D refers to the diameter of the tension specimen.

    TABLE 4 Permissible Variations in Diameter and Out-of-Roundness of Hot or Cold Finished, Solution Annealed Rods

    Specified Diameter, in. (mm)

    Permissible Variations, in. (mm)

    Diameter

    Out of Roundness, max

    +

    −

    5/16 Hot-Finished, Annealed, and Descaled Rods

    5/16 –7/16 (7.94–11.11), incl

    0.012 (0.30)

    0.012 (0.30)

    0.018 (0.46)

    Over 7/16 –5/8 (11.11–15.87), incl

    0.014 (0.36)

    0.014 (0.36)

    0.020 (0.51)

    Over 5/8 –3/4 (15.87–19.05), excl

    0.016 (0.41)

    0.016 (0.41)

    0.024 (0.61)

    Hot-Finished, Annealed, and Ground or Turned Rods

    3/4 –31/2 (19.05–88.9), incl

    0.010 (0.25)

    0

    0.008 (0.20)

    TABLE 5 Mechanical Property Requirements for Hot or Cold Finished, Solution Annealed Rods

    Alloy

    Tensile Strength, min, psi (MPa)

    Yield Strength (0.2 % Offset), min, psi
    (MPa)

    Elongation in 2 in.
    (50.8 mm) or 4DA
    min, %

    N10276

    100 000 (690)

    41 000 (283)

    40

    N06022

    100 000 (690)

    45 000 (310)

    45

    N06035

     85 000 (586)

    35 000 (241)

    30

    N06044

    100 000 (690)

    45 000 (310)

    30

    N06455

    100 000 (690)

    40 000 (276)

    40

    N06058

    110 000 (760)

    52 000 (360)

    40

    N06059

    100 000 (690)

    45 000 (310)

    45

    N06200

    100 000 (690)

    45 000 (310)

    45

    N10362

    105 000 (725)

    45 000 (310)

    40

    N06686

    100 000 (690)

    45 000 (310)

    45

    N06210

    100 000 (690)

    45 000 (310)

    45

    (A) D refers to the diameter of the tension specimen.

    1.2 The following products are covered under this specification:

    1.2.1 Rods 5/16 to 3/4 in. (7.94 to 19.05 mm), exclusive, in diameter, hot or cold finished, solution annealed and pickled, or mechanically descaled.

    1.2.2 Rods 3/4 to 31/2 in. (19.05 to 88.9 mm), inclusive, in diameter, hot or cold finished, solution annealed, ground or turned.

    1.2.3 Rods 1/4 to 3 1/2 in. (6.35 to 88.9 mm), inclusive, in diameter, solution annealed, cold finished, as cold finished, ground or turned (N06059 and N06686 only, see Table 2 and Table 3).

    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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys

    E8/E8M Test Methods for Tension Testing of Metallic Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

    E1473 Test Methods for Chemical Analysis of Nickel, Cobalt and High-Temperature Alloys

    ICS Code

    ICS Number Code 77.150.40 (Nickel and chromium products)

    UNSPSC Code

    UNSPSC Code 11171800(Nickel based super alloys)

    Referencing This Standard
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    DOI: 10.1520/B0574-17

    Citation Format

    ASTM B574-17, Standard Specification for Low-Carbon Nickel-Chromium-Molybdenum, Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, and Low-Carbon Nickel-Chromium-Molybdenum-Tungsten Alloy Rod, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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