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ASTM B161 ASME SB 161 Standard Specification for Nickel Seamless Pipe and Tube






ASME SB 161 ASTM B161 Nickel Seamless Pipe and Tube covers nickel (UNS N02200)* and low-carbon nickel (UNS N02201)* in the form of cold-worked seamless pipe and tube in the conditions shown in Table 1 and Table X1.1.

1.1.1 Hot-worked material is available. Properties are to be agreed upon between the manufacturer and purchaser.

1.2 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.

1.3 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 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.

2.1 ASTM Standards:

ASTM B 829 Specification for General Requirements for Nickel and Nickel Alloys Seamless Pipe and Tube

3. General Requirement

3.1 Material furnished under this specification shall conform to the applicable requirements of Specification B829 unless otherwise provided herein.



4. Ordering Information

4.1 It 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:

4.1.1 Alloy name or UNS number.
4.1.2 ASTM designation and year of issue.
4.1.3 Condition (see Appendix X2).
4.1.4 Finish (see Appendix X2).
4.1.5 Dimensions:
4.1.5.1 Tube—Specify outside diameter and nominal or minimum wall.
4.1.5.2 Pipe—Specify standard pipe size and schedule.
4.1.5.3 Length—Cut to length or random.
4.1.6 Quantity—Feet or number of pieces.
4.1.7 Hydrostatic Test or Nondestructive Electric Test-Specify test (see 6.2).
4.1.8 Hydrostatic Pressure Requirements—Specify test pressure if other than required by Specification B 829.
4.1.9 Certification—State if certification is required.
4.1.10 Samples for Product (Check) Analysis—State whether samples for product (check) analysis should be furnished(see 5.2).
4.1.11 Purchaser Inspection—If purchaser wishes to witness tests or inspection of material at place of manufacture, the purchase order must so state indicating which tests or inspections are to be witnessed.
4.1.12 Small-Diameter and Light-Wall Tube (Converter Sizes)—See Appendix X1.

5. Chemical Composition
5.1 The material shall conform to the composition limits specified in Table 2.
5.2 If a product (check) analysis is performed by the purchaser, the material shall conform to the product (check) analysis variations in Specification B 829.

6. Mechanical and Other Properties
6.1 Tension Test—The material shall conform to the tensile properties specified in Table 1. The sampling and specimen preparation are as covered in Specification B 829.
6.1.1 Tensile properties for material specified as smalldiameter and light-wall tube (converter sizes) shall be as prescribed in Table X1.1.
6.2 Hydrostatic 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.

Mechanical Properties 7. Dimensions and Permissible Variations
7.1 Permissible variations for material specified as smalldiameter and light-wall tube (converter size) shall conform to the permissible variations prescribed in Table X1.2.

8. Number of Tests
8.1 Chemical Analysis—One test per lot.
8.2 Tension—One test per lot.
8.3 Hydrostatic or Nondestructive Electric Test—Each piece in each lot.
Chemical Composition
9. Test Methods
9.1 Hydrostatic Test—Each pipe or tube with an outside diameter 1⁄8 in. (3 mm) and larger and with wall thickness of 0.015 in. (0.38 mm) 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 N02201
Annealed:
5 in. (127 mm) outside
diameter and under
10 000 psi (70 MPa) 8000 psi (55 MPa)
Over 5 in. outside diameter
8000 psi (55 MPa) 6700 psi (45 MPa)
Stress-Relieved:
All sizes 16 200 psi (110 MPa) 15 000 psi (105 MPa)
9.1.1 When so agreed upon by the manufacturer and purchaser, pipe or tube may be tested to 11⁄2 times the allowable fiber stress given above.
9.1.2 If any pipe or tube shows leaks during hydrostatic testing, it shall be rejected.
9.2 Nondestructive Electric Test—Each pipe or tube shall be examined with a nondestructive electric test as prescribed in Specification B 829.
Mechanical PropertiesA of Small-Diameter and Light-Wall Tubing
A Not applicable to outside diameters under 1⁄8 in. (3.2 mm) and wall thicknesses under 0.015 in. (0.38 mm).
B This condition is sometimes designated as “No. 1 Temper.”
C This condition is sometimes designated as “No. 2 Temper.”
D This condition is sometimes designated as “No. 3 Temper.”

Permissible Variations for Small-Diameter and Light-Wall Tube

A Ovality, Normal Wall Tube—As-Drawn (No. 2 and 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 theoretical average outside diameter.
B Ovality, Light-Wall Tube—As-Drawn (No. 2 and 3)Tempers —Up to but not including 11⁄4 in. (31.8 mm) 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 0.005 in. (0.13 mm) in wall thickness. For wall thicknesses less than 0.005 in. (0.13 mm), the tolerance shall be 60.0005 in. (0.013 mm).
D Random Lengths:
Where nominal random lengths on tubing 1⁄8 in. (3.2 mm) and larger in outside diameter are specified, a length tolerance of 631⁄2 ft (1.06 m) applies to the nominal length. This is a total spread of 7 ft (2.10 m).
Random lengths in sizes 1⁄8 in. (3.2 mm) and larger in outside diameter shall be subject to a length range of 5 to 24 ft (1.50 to 7.30 m). Long random lengths are subject to a range of 15 to 22 ft (4.57 to 6.70 m).
Random lengths in sizes up to, but not including 1⁄8 in. (3.2 mm) in outside diameter, and fragile light-wall tubes over this outside diameter are subject to the length range of 1 to 15 ft (0.30 to 4.57 m).
E Straightness—Round tubing is subject to a straightness tolerance of one part in 600 [equivalent to a depth of arc of 0.030 in. (0.76 mm) in any 3 ft (0.91 m) 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.

10. Keywords
10.1 seamless pipe; seamless tube; N02200; N02201


ASTM B161 Standard Specification for Nickel Seamless Pipe and Tube
   Stainless Steel Tubing, Nickel Alloy Tubing, Brass Alloy Tubing, Copper Nickel Pipe Material Grades


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UNS N08020 Nickel Alloy 20 Tubing
UNS N02200 Nickel Alloy 200 Tube
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UNS N04400 400 Nickel Alloy Tubing
N06600 600 2.4816 Nickel Alloy Pipe
N06601 601 2.4851 Nickel Alloy Tubing
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N08800 800 Nickel Alloy Tubes
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C71500 Copper Nickel Tubes
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DIN 2393 St28 St34.2 St37.2 St44.2 St52.3 Welded Precision Steel Tubes
EN 10305-2 E195 E235 E355 Welded Cold Drawn Precision Steel Tube