ASTM B366-00
(Specification)Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings
Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings
SCOPE
1.1 This specification covers wrought welding fittings for pressure piping, factory-made from nickel and nickel alloys. Threaded fittings as covered in ASME B16.11 are also covered by this specification. The term welding applies to butt-welding or socket-welding parts such as 45 and 90o elbows, 180o bends, caps, tees, reducers, lap-joint stub ends, and other types, as covered by ASME B16.9, ASME B16.11, ASME B16.28, MSS SP-43, MSS SP-95, and MSS SP-97.
1.1.1 Class WP fittings are those manufactured to the requirements of ASME B16.9, B16.11, or B16.28.
1.1.2 Class CR fittings are those manufactured to the requirements of MSS SP-43.
1.2 This specification does not apply to cast welding fittings.
1.3 Optional supplementary requirements are provided for fittings where a greater degree of examination is desired. These supplementary requirements call for additional tests. When desired, one or more of these may be specified in the order.
1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 366 – 00 An American National Standard
Standard Specification for
Factory-Made Wrought Nickel and Nickel Alloy Fittings
This standard is issued under the fixed designation B 366; 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 N06600, N06601, and N06690) Seamless Pipe and Tube
B 168 Specification for Nickel-Chromium-Iron Alloys
1.1 This specification covers wrought welding fittings for
(UNS N06600, N06601, N06603, N06690, N06025, and
pressure piping, factory-made from nickel and nickel alloys.
N06045) and Nickel-Chromium-Cobalt-Molybdenum Al-
Threaded fittings as covered in ASME B16.11 are also covered
loy (UNS N06617) Plate, Sheet, and Strip
by this specification. The term welding applies to butt-welding
B 333 Specification for Nickel-Molybdenum Alloy Plate,
or socket-welding parts such as 45 and 90° elbows, 180° bends,
Sheet, and Strip
caps, tees, reducers, lap-joint stub ends, and other types, as
B 335 Specification for Nickel-Molybdenum Alloy Rod
covered by ASME B16.9, ASME B16.11, ASME B16.28, MSS
B 407 Specification for Nickel-Iron-Chromium Alloy
SP-43, MSS SP-95, and MSS SP-97.
Seamless Pipe and Tube
1.1.1 Class WP fittings are those manufactured to the
B 408 Specification for Nickel-Iron-Chromium Alloy Rod
requirements of ASME B16.9, B16.11, or B16.28.
and Bar
1.1.2 Class CR fittings are those manufactured to the
B 409 Specification for Nickel-Iron-Chromium Alloy Plate,
requirements of MSS SP-43.
Sheet, and Strip
1.2 This specification does not apply to cast welding fit-
B 423 Specification for Nickel-Iron-Chromium-
tings.
Molybdenum-Copper Alloy (UNS N08825 and N08221)
1.3 Optional supplementary requirements are provided for
Seamless Pipe and Tube
fittings where a greater degree of examination is desired. These
B 424 Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS
supplementary requirements call for additional tests. When
N08825 and UNS N08221) Plate, Sheet, and Strip
desired, one or more of these may be specified in the order.
B 425 Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS
1.4 The values stated in inch-pound units are to be regarded
N08825 and UNS N08221) Rod and Bar
as the standard. The values given in parentheses are for
B 434 Specification for Nickel-Molybdenum-Chromium-
information only.
Iron Alloy (UNS N10003, UNS N10242) Plate, Sheet, and
2. Referenced Documents
Strip
B 435 Specification for UNS N06002, UNS N06230,
2.1 ASTM Standards:
N12160, and UNS R30556 Plate, Sheet, and Strip
B 127 Specification for Nickel-Copper Alloy (UNS
B 443 Specification for Nickel-Chromium-Molybdenum-
N04400) Plate, Sheet, and Strip
Columbium Alloy (UNS N06625) and Nickel-Chromium-
B 160 Specification for Nickel Rod and Bar
Molybdenum-Silicon Alloy (UNS N06219) Plate, Sheet,
B 161 Specification for Nickel Seamless Pipe and Tube
and Strip
B 162 Specification for Nickel Plate, Sheet, and Strip
B 444 Specification for Nickel-Chromium-Molybdenum-
B 164 Specification for Nickel-Copper Alloy Rod, Bar, and
Columbium Alloy (UNS N06625) and Nickel-Chromium-
Wire
Molybdenum-Silicon Alloy (UNS N06219) Pipe and
B 165 Specification for Nickel-Copper Alloy (UNS
Tube
N04400) Seamless Pipe and Tube
B 446 Specification for Nickel-Chromium-Molybdenum-
B 166 Specification for Nickel-Chromium-Iron Alloys
Columbium Alloy (UNS N06625) and Nickel-Chromium-
(UNS N06600, N06601, N06603, N06690, N06025, and
Molybdenum-Silicon Alloy (UNS N06219) Rod and Bar
N06045) and Nickel-Chromium-Cobalt-Molybdenum Al-
B 462 Specification for Forged or Rolled UNS N08020,
loy (UNS N06617) Rod, Bar, and Wire
UNS N08024, UNS N08026, UNS N08367 and UNS
B 167 Specification for Nickel-Chromium-Iron Alloy (UNS
R20033 Alloy Pipe Flanges, Forged Fittings, and Valves
and Parts for Corrosive High-Temperature Service
This specification is under the jurisdiction of ASTM Committee B02 on
B 463 Specification for UNS N08020, UNS N08026, and
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt and Their Alloys. UNS N08024 Alloy Plate, Sheet, and Strip
Current edition approved June 10, 2000. Published August 2000. Originally
B 464 Specification for Welded UNS N08020, N08024, and
published as B 366 – 61. Last previous edition B 366 – 99.
N08026 Alloy Pipe
Annual Book of ASTM Standards, Vol 02.04.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
B 366
B 468 Specification for Welded UNS N08020, N08024, and N08926 Welded Tube
N08026 Alloy Tubes B 675 Specification for UNS N08366 and UNS N08367
Welded Pipe
B 472 Specification for UNS N08020, UNS N08026, UNS
N08024, UNS N08926, UNS N08367, and UNS R20033 B 676 Specification for UNS N08366 and UNS N08367
2 2
Welded Tube
Nickel Alloy Billets and Bars for Reforging
B 677 Specification for UNS N08904, N08925, and
B 473 Specification for UNS N08020, UNS N08026, and
2 2
N08926 Seamless Pipe and Tube
UNS N08024 Nickel Alloy Bar and Wire
B 688 Specification for Chromium-Nickel-Molybdenum-
B 511 Specification for Nickel-Iron-Chromium-Silicon Al-
Iron (UNS N08366 and UNS N08367) Plate, Sheet, and
loy Bars and Shapes
Strip
B 512 Specification for Nickel-Chromium-Silicon Alloy
B 690 Specification for Iron-Nickel-Chromium-
(UNS N08330) Billets and Bars
Molybdenum Alloys (UNS N08366 and UNS N08367)
B 514 Specification for Welded Nickel-Iron-Chromium Al-
Seamless Pipe and Tube
loy Pipe
B 691 Specification for Iron-Nickel-Chromium-
B 515 Specification for Welded UNS N08800, UNS
Molybdenum Alloys (UNS N08366 and UNS N08367)
N08810, and UNS N08811 Alloy Tubes
Rod, Bar, and Wire
B 516 Specification for Welded Nickel-Chromium-Iron Al-
B 704 Specification for Welded UNS N06625, N06219, and
loy (UNS N06600), UNS N06025, and UNS N06045
UNS N08825 Alloy Tubes
Tubes
B 705 Specification for Nickel-Alloy (UNS N06625,
B 517 Specification for Welded Nickel-Chromium-Iron Al-
2 N06219, and N08825) Welded Pipe
loy (UNS N06600), UNS N06025, and UNS N06045 Pipe
B 710 Specification for Nickel-Iron-Chromium-Silicon Al-
B 535 Specification for Nickel-Iron-Chromium-Silicon Al-
2 loy Welded Pipe
loys (UNS N08330 and UNS N08332) Seamless Pipe
E 165 Test Method for Liquid Penetrant Examination
B 536 Specification for Nickel-Iron-Chromium-Silicon Al-
E 1916 Guide for Identification and/or Segregation of
loys (UNS N08330 and N08332) Plate, Sheet, and Strip
Mixed Lots of Metals
B 564 Specification for Nickel Alloy Forgings
2.2 ASME Standards:
B 572 Specification for UNS N06002, UNS N06230,
B16.9 Wrought Steel Butt Welding Fittings
N12160, and UNS R30556 Rod
B16.11 Forged Steel Fittings, Socket-Welding and
B 573 Specification for Nickel-Molybdenum-Chromium-
Threaded
Iron Alloy (UNS N10003, UNS N10242) Rod
B16.28 Wrought Steel Butt Welding Short Radius Elbows
B 574 Specification for Low-Carbon Nickel-Molybdenum-
and Returns
Chromium, Low-Carbon Nickel-Chromium-Molybdenum,
H34.1 Nickel Seamless Pipe and Tubing
and Low-Carbon Nickel-Chromium-Molybdenum-
H34.2 Nickel-Copper Alloy Seamless Pipe and Tubing
Tungsten Alloy Rod
H34.3 Nickel-Chromium-Iron Alloy Seamless Pipe and
B 575 Specification for Low-Carbon Nickel-Molybdenum-
Tubing
Chromium, Low-Carbon Nickel-Chromium-Molybdenum,
2.3 Manufacturers Standardization Society of the Valve and
and Low-Carbon Nickel-Chromium-Molybdenum-
Fittings Industry Standards:
Tungsten Alloy Plate, Sheet, and Strip
MSS SP-25 Standard Marking Systems for Valves, Fittings,
B 581 Specification for Nickel-Chromium-Iron-
Flanges, and Unions
Molybdenum-Copper Alloy Rod
MSS SP-43 Standard Practice for Light Weight Stainless
B 582 Specification for Nickel-Chromium-Iron-
Steel Butt Welding Fittings
Molybdenum-Copper Alloy Plate, Sheet, and Strip
MSS SP-95 Sewage (D) Nipples and Bull Plugs
B 619 Specification for Welded Nickel and Nickel-Cobalt
MSS SP-97 Forged Carbon Steel Branch Outlet Fit-
Alloy Pipe
tings–Socket Welding, Threaded and Butt Welding Ends
B 622 Specification for Seamless Nickel and Nickel-Cobalt
Boiler and Pressure Vessel Code, Section VIII, Division
Alloy Pipe and Tube
1, Pressure Vessels and Section IX, Welding Qualifica-
B 625 Specification for UNS N08904, UNS N08925, UNS
tions
N08031, UNS N08932, UNS N08926, and UNS R20033
2.5 AWS Standards:
Plate, Sheet, and Strip
A5.11 Specification for Nickel and Nickel Alloy Covered
B 626 Specification for Welded Nickel and Nickel-Cobalt
Welding Electrodes
Alloy Tube
B 649 Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Al-
loy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Al-
Annual Book of ASTM Standards, Vol 03.03.
loys (UNS N08925, UNS N08031, and UNS N08926), and
Annual Book of ASTM Standards, Vol 03.06.
Cr-Ni-Fe-N Low Carbon Alloy (UNS R20033) Bar and
Available from American Society of Mechanical Engineers, 345 E. 47th St.,
New York, NY 10017.
Wire
Available from Manufacturers’ Standardization Society of the Valve and
B 673 Specification for UNS N08904, N08925, and
Fittings Industry, 1815 N. Fort Myer Drive, Arlington, VA 22209.
N08926 Welded Pipe 7
Available from American Welding Society, 550 N.W. LeJeune Rd., Miami, FL
B 674 Specification for UNS N08904, N08925, and 33135.
B 366
A5.14 Specification for Nickel and Nickel-Alloy Bare Appendix XII of Section VIII, Division 1, of the ASME Boiler
Welding Rods and Electrodes and Pressure Vessel Code.
4.2.5 Fittings ordered as Class WP***WX shall meet the
3. Ordering Information
requirements of ASME B16.9 or B16.28 and shall have all
3.1 Orders for fittings under this specification should in- welds, whether made by the fitting manufacturer or the starting
clude the following information:
material manufacturer, radiographically examined throughout
3.1.1 Quantity, number of fittings of each kind, their entire length in accordance with Paragraph UW-51 of
3.1.2 Description of Fitting and Nominal Dimensions (stan-
Section VIII, Division 1, of the ASME Boiler and Pressure
dard or special),
Vessel Code, except as exempt by 4.2.5.1. The radiography for
3.1.3 Alloy Composition,
this class of fittings may be done either prior to or after forming
3.1.4 Class WP***S, WP***W, WP***WX,or CR***
at the option of the manufacturer.
shall be specified.
4.2.5.1 Instead of the radiographic examination, and at the
3.1.4.1 Class CR fittings shall not be substituted for fittings
option of the manufacturer, welds made by the fitting manu-
ordered to Class WP, but Class WP may be substituted for
facturer may be ultrasonically examined in accordance with
Class CR.
Appendix XII of Section VIII, Division 1, of the ASME Boiler
3.1.4.2 Unless Class WP***S, WP***W,or WP***WX is
and Pressure Vessel Code.
specified by the purchaser, any may be furnished at the option
4.2.6 Fittings covered in MSS SP-43, MSS SP-95, or MSS
of the supplier.
SP-97 and ordered as CR*** shall meet the requirements of
3.1.5 Heat Treatment (4.3 and Appendix X1),
MSS SP-43, MSS SP-95, or MSS SP-97, respectively, and do
3.1.6 Purchaser Inspection—State which tests or inspec- not require radiography.
tions are to be witnessed (Section 9),
4.2.7 All joints welded with filler metal shall be finished in
3.1.7 Samples for Product (Check) Analysis—State accordance with the requirements of Paragraph UW-35 (a) of
whether samples shall be furnished (5.3),
Section VIII, Division 1, of the ASME Boiler and Pressure
3.1.8 Mill test reports (Section 11), and Vessel Code.
3.1.9 Supplementary requirements, if any.
4.2.8 Radiographic examination of the weld buildup on
cold-formed stub ends shall not be required provided that all
4. Materials and Manufacture
the following steps are adhered to:
4.1 Material—The material for wrought welding fittings
4.2.8.1 The weld procedure and welders or welding opera-
may consist of forgings, rods, bars, plates, sheets, and seamless
tors meet the requirements of 4.2.3.
or welded pipe that conform to all the requirements of the
4.2.8.2 All weld surfaces are liquid penetrant examined in
ASTM specifications for the particular product and alloy
accordance with Appendix 8 of Section VIII, Division 1 of the
referred to in Table 1.
ASME Boiler and Pressure Vessel Code.
4.2 Manufacture:
4.2.8.3 Repair of areas in the weld is permitted, but 4.2.8.1
4.2.1 Forging or shaping operations may be performed by
and 4.2.8.2 must be repeated.
hammering, pressing, piercing, extruding, upsetting, rolling,
4.2.8.4 Fittings shall be marked with the symbol WBU
bending, or fusion welding, or by a combination of two or more
following the alloy designation (for example: WPN-WBU).
of these operations. The forming procedure shall be so applied
4.3 Heat Treatment—Heat treatment, if required, shall be as
that it will not produce injurious defects in the fittings.
agreed upon between the manufacturer and the purchaser.
4.2.2 Fittings ordered as Class WP***S shall be of seam-
5. Chemical Composition
less construction and shall meet all requirements of ASME
B16.9, B16.11, or B16.28.
5.1 The material shall conform to the requirements as to
4.2.3 All classes of fittings shall have the welders, welding
chemical composition for the respective material prescribed in
operators, and welding procedures qualified under the provi-
Table 1.
sions of Section IX of the ASME Boiler and Pressure Vessel
5.2 Records of chemical analysis made in accordance with
Code.
the applicable specification listed in Table 1 shall be certifica-
4.2.4 Fittings ordered as Class WP***W shall meet the
tion that the material of the fitting meets the requirements of
requirements of ASME B16.9 or B16.28 and shall have all
this specification.
welds made by the fitting manufacturer radiographically ex-
5.3 If a product (check) analysis is made by the purchaser,
amined throughout the entire length in accordance with Para- the material shall conform to the requirements for product
graph UW-51 of Section VIII, Division 1, of the ASME Boiler
(check) analysis prescribed for the respective product in Table
and Pressure Vessel Code, except as exempt by 4.2.4.1, and 1.
4.2.4.2.
5.4 In fittings of welded construction, the alloy content of
4.2.4.1 The weld in the starting pipe, made to one of the
the deposited weld metal shall conform to that required of the
pipe or tube product specifications listed in Table 1, shall not
base metal or for equivalent weld metal as given in the AWS
require radiography, provided that no filler metal is used in
Filler Metal Specification A 5.11 and A 5.14.
making the weld.
6. Mechanical Properties and Other Requirements
4.2.4.2 . Instead of the rad
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