Designation:B161–05(Reapproved2009)Used in USNRC-RDT Standards Standard Specification for
Nickel Seamless Pipe and Tube1
This standard is issued under thefixed designation B161;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.
1.Scope*
1.1This specification2covers nickel(UNS N02200)*and low-carbon nickel(UNS N02201)*in the form of cold-worked seamless pipe and tube in the conditions shown in Table1and Table X1.1.
1.1.1Hot-worked material is available.Properties are to be agreed upon between the manufacturer and purchaser.
1.2The 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.
1.3This 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 Material Safety Data Sheet(MSDS)for this product/material as provided by the manufacturer,to establish appropriate safety and health practices,and determine the applicability of regulatory limitations.
2.Referenced Documents
2.1ASTM Standards:3
B829Specification for General Requirements for Nickel and Nickel Alloys Seamless Pipe and Tube
3.General Requirement
3.1Material furnished under this specification shall con-form to the applicable requirements of Specification B829 unless otherwise provided herein.
4.Ordering Information
4.1It is the responsibility of the purchaser to specify all requirements that are necessary for the safe and satisfactory performance of material ordered under this specification. Examples of such requirements include,but are not limited to, the following:
4.1.1Alloy name or UNS number.
4.1.2ASTM designation and year of issue.
4.1.3Condition(see Appendix X2).
4.1.4Finish(see Appendix X2).
4.1.5Dimensions:
4.1.
5.1Tube—Specify outside diameter and nominal or minimum wall.
4.1.
5.2Pipe—Specify standard pipe size and schedule. 4.1.5.3Length—Cut to length or random.
4.1.6Quantity—Feet or number of pieces.
4.1.7Hydrostatic Test or Nondestructive Electric Test—Specify test(see6.2).
4.1.8Hydrostatic Pressure Requirements—Specify test pressure if other than required by Specification B829.
4.1.9Certification—State if certification is required.
4.1.10Samples for Product(Check)Analysis—State whether samples for product(check)analysis should be fur-nished(see
5.2).
4.1.11Purchaser Inspection—If purchaser wishes to wit-ness tests or inspection of material at place of manufacture,the purchase order must so state indicating which tests or inspec-tions are to be witnessed.
4.1.12Small-Diameter and Light-Wall Tube(Converter Sizes)—See Appendix X1.
5.Chemical Composition
5.1The material shall conform to the composition limits specified in Table2.
5.2If a product(check)analysis is performed by the purchaser,the material shall conform to the product(check) analysis variations in Specification B829.
6.Mechanical and Other Properties
6.1Tension Test—The material shall conform to the tensile properties specified in Table1.The sampling and specimen preparation are as covered in Specification B829.
6.1.1Tensile properties for material specified as small-diameter and light-wall tube(converter sizes)shall be as prescribed in Table X1.1.
1This specification is under the jurisdiction of ASTM Committee B02on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07on Refined Nickel and Cobalt and Their Alloys.
Current edition approved Oct.1,2009.Published October2009.Originally
approved in1941.Last previous edition approved in2005as B161-05´1.
2For ASME Boiler and Pressure Vessel Code applications see related Specifi-
cation SB-161in Section II of that Code.
*New designation established in accordance with ASTM E527and SAE J1086,
Practice for Numbering Metals and Alloys(UNS).
3For referenced ASTM standards,visit the ASTM website,,or
contact ASTM Customer Service at For Annual Book of ASTM
Standards volume information,refer to the standard’s Document Summary page on
the ASTM website.
*A Summary of Changes section appears at the end of this standard. Copyright.©ASTM International,100Barr Harbour Dr.P.O.box C-700West Conshohocken,Pennsylvania19428-2959,United States
6.2Hydrostatic Test or Nondestructive Electric Test —Each pipe or tube shall be subjected to the Nondestructive Electric Test or the Hydrostatic Test.Unless specified by the purchaser,either test may be used at the option of the producer.
7.Dimensions and Permissible Variations
7.1Permissible variations for material specified as small-diameter and light-wall tube (converter size)shall conform to the permissible variations prescribed in Table X1.2.8.Number of Tests
8.1Chemical Analysis —One test per lot.8.2Tension —One test per lot.
8.3Hydrostatic or Nondestructive Electric Test —Each piece in each lot.
9.Test Methods
9.1Hydrostatic Test —Each pipe or tube with an outside diameter 1⁄8in.(3mm)and larger and with wall thickness of 0.015in.(0.38mm)and over shall be tested in accordance with Specification B 829.The allowable fiber stress,for material in the condition furnished,is as follows:
UNS N02200
UNS N02201Annealed:
5in.(127mm)outside diameter and under 10000psi (70MPa)8000psi (55MPa)Over 5in.outside diam-eter
8000psi (55MPa)
6700psi (45MPa)
Stress-Relieved:All sizes
16200psi (110MPa)15000psi (105MPa)
9.1.1When so agreed upon by the manufacturer and pur-chaser,pipe or tube may be tested to 11⁄2times the allowable fiber stress given above.
9.1.2If any pipe or tube shows leaks during hydrostatic testing,it shall be rejected.
9.2Nondestructive Electric Test —Each pipe or tube shall be examined with a nondestructive electric test as prescribed in Specification B 829.
10.Keywords
10.1seamless pipe;seamless tube;N02200;N02201
APPENDIXES
(Nonmandatory Information)X1.CONVERTER SIZES
X1.1Small-diameter and light-wall tube in outside diam-eters 11⁄4in.(31.8mm)and under may be furnished in the conditions listed in Table X1.1when so specified.The material is furnished in a limited r
ange of sizes and the manufacturer should be consulted as to the various outside diameters and wall thicknesses that may be furnished.Material will have a bright finish.Such material shall conform to the applicable requirements in Table X1.1and Table X1.2.
TABLE 1Mechanical Properties
Condition and Size
Tensile Strength,min,psi (MPa)
Yield Strength (0.2%offset),min,psi
(MPa)Elongation 50mm (or
4D ),min,%Nickel (UNS N02200)
Low-Carbon Nickel (UNS N02201)
Nickel (UNS N02200)
Low-Carbon Nickel (UNS N02201)
Nickel (UNS N02200)
Low-Carbon Nickel (UNS N02201)
Annealed:
5in.(127mm)and under outside diameter 55000(380)50000(345)15000(105)12000(80)3535Over 5in.(127mm)in outside diameter 55000(380)
50000(345)
12000(80)
10000(70)
40
40
Stress-Relieved:All sizes
65000(450)60000(415)40000(275)30000(205)1515
TABLE 2Chemical Requirements
Element
Composition,%
Nickel
(UNS N02200)
Low-Carbon Nickel
(UNS N02201)
Ni,A min 99.099.0Cu,max 0.250.25Fe,max 0.400.40Mn,max 0.350.35C,max†0.150.02Si,max 0.350.35S,max
0.01
0.01
A
Element shall be determined arithmetically by difference.
†Corrected
editorially.
X2.CONDITIONS AND FINISHES NORMALLY SUPPLIED
X2.1Scope
X2.1.1This appendix lists the conditions and finishes in which pipe and tube (other than converter sizes)are normally supplied.These are subject to change,and the manufacturer should be consulted for the latest information available.X2.2Nickel (UNS N02200)
X2.2.1Annealed —Soft,with a dull matte finish.
X2.2.2Stress-Relieved —Thermally treated below the an-nealing temperature to relieve the major porti
on of the internal stresses,with a thin,light to medium-dark surface.X2.3Low-Carbon Nickel (UNS N02201)X2.3.1Annealed —Similar to X2.2.1.
X2.3.2Stress-Relieved —Similar to X2.2.2.
TABLE X1.1Mechanical Properties A of Small-Diameter and Light-Wall Tubing (Converter Sizes)
Condition
Tensile Strength,psi (MPa)
Yield Strength (0.2%offset),
min,psi (MPa)
Elongation 50mm,min,%
Nickel UNS N02200Annealed B 75000(515)max 15000(105)33Half-hard C 80000(550)min 40000(275)12Full hard D
95000(655)min 75000(515)4Low-Carbon Nickel UNS N02201Annealed B 70000(480)max 12000(85)3
5Half-hard C 70000(480)min 30000(205)12Full hard D
85000(585)min
65000(450)
4
editorially
A Not applicable to outside diameters under 1⁄8in.(3.2mm)and wall thicknesses under 0.015in.(0.38mm).B
This condition is sometimes designated as “No.1Temper.”C
This condition is sometimes designated as “No.2Temper.”D
This condition is sometimes designated as “No.3Temper.”
TABLE X1.2Permissible Variations for Small-Diameter and Light-Wall Tube (Converter Sizes)A ,B ,C ,D ,E ,F
Specified Outside Diameter,in.(mm)Outside Diameter Inside Diameter
Wall Thickness,%Plus Minus Plus Minus Plus Minus Under 3⁄32(2.4)
0.002(0.05)000.002(0.05)10103⁄32to 3⁄16(2.4to 4.8),excl 0.003(0.08)000.003(0.08)10103⁄16to 1⁄2(4.8to 12.7),excl 0.004(0.10)000.004(0.10)10101⁄2to 11⁄4(12.7to 31.8),incl
0.005
(0.13)
0.005
(0.13)
10
10
A
Ovality,Normal Wall Tube—As-Drawn (No.2and 3)Tempers —Ovality will be held within the outside diameter tolerances shown in the table.Annealed (No.1)Temper —Ovality will be held within 2%of the t
heoretical average outside diameter.B
Ovality,Light-Wall Tube—As-Drawn (No.2and 3)Tempers —Up to but not including 11⁄4in.(31.8mm)in outside diameter,ovality will be held within 2%of the theoretical average outside diameter.
Annealed (No.1)Temper —Ovality will be held within 3%of the theoretical average outside diameter.C
Wall Tolerances,Light-Wall Tube —The plus and minus wall tolerance shown in the table shall apply down to and including 0.005in.(0.13mm)in wall thickness.For wall thicknesses less than 0.005in.(0.13mm),the tolerance shall be 60.0005in.(0.013mm).D
Random Lengths :
Where nominal random lengths on tubing 1⁄8in.(3.2mm)and larger in outside diameter are specified,a length tolerance of 631⁄2ft (1.06m)applies to the nominal length.This is a total spread of 7ft (2.10m).
Random lengths in sizes 1⁄8in.(3.2mm)and larger in outside diameter shall be subject to a length range of 5to 24ft (1.50to 7.30m).Long random lengths are subject to a range of 15to 22ft (4.57to 6.70m).
Random lengths in sizes up to,but not including 1⁄8in.(3.2mm)in outside diameter,and fragile light-wall tubes over this outside diameter are subject to the length range of 1to 15ft (0.30to 4.57m).E
Straightness —Round tubing is subject to a straightness tolerance of one part in 600[equivalent to a depth of arc of 0.030in.(0.76mm)in any 3ft (0.91m)of length].F
When specified,the tolerance spreads of this table may be applied as desired.However,when not specified,the tolerances in this table will apply.It should be noted that inside diameter tolerances are based upon the outside diameter
range.
Committee B02has identified the location of selected changes to this standard since the last issue(B161–03) that may impact the use of this standard.
(2)Revisions of2.1and9.2.
(1)To make reference to Specification B829instead of
Practice E426and Practice E571for nondestructive electric
test examination.
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of infringement of such rights,are entirely their own responsibility.
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