ASTM B751-01

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Designation: B 751 – 01
Standard Specification for
General Requirements for Nickel and Nickel Alloy Welded
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Tube
This standard is issued under the fixed designation B 751; 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.
1. Scope E 29 Practice for Using Significant Digits in Test Data to
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Determine Conformance with Specifications
1.1 This specification contains various requirements that,
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E 39 Test Methods for Chemical Analysis of Nickel
with the exception of Sections 6 and 7, are mandatory
E 76 Test Methods for Chemical Analysis of Nickel-Copper
requirements to the following ASTM nickel and nickel alloy,
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Alloys
longitudinally welded tubular product specifications:
E 112 Test Methods for Determining the Average Grain
ASTM
Title of Specification 4
2,3
Size
Designation
Welded UNS N08020, N08024, and UNS N08026 Alloy Tubes B 468
E 213 Practice for Ultrasonic Examination of Metal Pipe
Welded UNS N08120, UNS N08800, UNS N08810, UNS B 515
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and Tubing
N08811 Alloy Tubes
E 426 Practice for Electromagnetic (Eddy-Current) Exami-
Welded Nickel-Chromium-Iron Alloy (UNS N06600, UNS B 516
N06603, UNS N06025, and UNS N06045) Tubes
nation of Seamless and Welded Tubular Products, Austen-
Welded Nickel and Nickel-Cobalt Alloy Tube B 626
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itic Stainless Steel and Similar Alloys
UNS N08904, UNS N08925, and UNS N08926 Welded Tube B 674
E 571 Practice for Electromagnetic (Eddy-Current) Exami-
UNS N08366 and UNS N08367 Welded Tube B 676
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Welded UNS N06625, N06219, and N08825 Alloy Tubes B 704
nation of Nickel and Nickel Alloy Tubular Products
Ni-Cr-Mo-Co-W-Fe-Si Alloy (UNS N06333) Welded Tube B 726
E 1473 Test Methods for Chemical Analysis of Nickel,
Welded Nickel (UNS N02200/UNS N02201) and Nickel Cop- B 730
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per Alloy (UNS N04400) Tube Cobalt, and High-Temperature Alloys
1.2 One or more of the test requirements of Section 6 apply
3. Terminology
only if specifically stated in the product specification or in the
3.1 Definitions:
purchase order.
3.1.1 average diameter—the average of the maximum and
1.3 In case of conflict between a requirement of the product
minimum outside diameters, as determined at any one cross
specification and a requirement of this general specification,
section of the tube.
only the requirement of the product specification need be
3.1.2 nominal wall—a specified wall thickness with a plus
satisfied.
and minus tolerance from the specified thickness.
1.4 The values stated in inch-pound units are to be regarded
3.1.3 thin wall tube—tube with specified wall thickness 3 %
as the standard. The values given in parentheses are for
or less of the specified outside diameter.
information only.
3.1.4 welded tube—a hollow product of round or any other
cross section having a continuous periphery.
2. Referenced Documents
2.1 ASTM Standards:
4. Dimensions and Permissible Variations
B 880 Specification for General Requirements for Chemical
4.1 Diameter and Wall Thickness—Individual measure-
Check Analysis Limits for Nickel, Nickel Alloys and
ments shall not exceed the tolerances specified in Table 1. The
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Cobalt Alloys
permissible variation in outside diameter is not sufficient to
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E 8 Test Methods for Tension Testing of Metallic Materials
provide for ovality in thin-walled tubes. For thin-walled tubes
E 18 Test Methods for Rockwell Hardness and Rockwell
the maximum and minimum diameters at any cross section
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Superficial Hardness of Metallic Materials
shall not deviate from the nominal diameter by more than twice
the permissible variation in outside diameter given in the table;
1 however, the mean diameter at that cross section must still be
This specification is under the jurisdiction of ASTM Committee B02 on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee within the permissible variation.
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved Nov. 10, 2001. Published January 2002. Originally
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published as B 751 – 85. Last previous edition B 751 – 99. Annual Book of ASTM Standards, Vol 14.02.
2 6
Annual Book of ASTM Standards, Vol 02.04. Discontinued; See Annual Book of ASTM Standards, Vol 03.05.
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Annual Book of ASTM Standards, Vol 02.01. Annual Book of ASTM Standards, Vol 03.05.
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Annual Book of ASTM Standards, Vol 03.01. Annual Book of ASTM Standards, Vol 03.03.
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www
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