Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407 Archives

Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407

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Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407
Standard Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube This standard is issued under the fixed designation B407; 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.


Scope
This specification covers UNS N08120, UNS N08800, UNS N08801, UNS N08810, UNS N08811, UNS N08890, and UNS N06811 in the form of cold-worked and hot-finished annealed seamless pipe and tube. Alloys UNS N08800 and UNS N06811 are normally employed in service temperatures up to and including 1100°F (593°C). Alloys UNS N08120, UNS N08810, UNS N08811, and UNS N08890 are normally employed in service temperatures above 1100°F (593°C) where resistance to creep and rupture is required, and they are annealed to develop controlled grain size for optimum properties in this temperature range. 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. The following safety hazards caveat pertains only to the test method portion, of this specification.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.






Materials and Manufacture
Heat Treatment—The final heat treatment of UNS N08120 shall be 2150°F (1177°C) minimum, UNS N08810, 2050°F (1121°C) minimum, UNS N08811, UNS N08890, 2100°F (1149°C) minimum, and UNS N06811, 1920°F (1050°C) minimum.

Chemical Composition
The material shall conform to the composition limits specified. If a product (check) analysis is performed by the purchaser, the material shall conform to the product (check) analysis variations in Specification B829.

Element	Composition Limits, %
	UNS N08120	UNS N08800, UNS N08810, and UNS N08811	UNS N08801	UNS N08890	UNS N06811
Nickel	35.0 min	30.0 min	30.0 min	40.0 min	38.0 min
	39.0 max	35.0 max	34.0 max	45.0 max	46.0 max
Chromium	23.0 min	19.0 min	19.0 min	23.5 min	27.0 min
	27.0 max	23.0 max	22.0 max	28.5 max	31.0 max
Iron	remainder	39.5 min^A	39.5 min^A	remainder	remainder
Manganese, max	1.5	1.5	1.5	1.5	2.0
Carbon	0.02 min	B	0.10 max	0.06 min	0.03 max
	0.10 max			0.14 max
Copper, max	0.5	0.75	0.5	0.75
Silicon	1.0	1.0	1.0	1.0 min	0.60 max
				2.0 max
Sulfur, max	0.03	0.015	0.015	0.015	0.010
Aluminum⁰	0.40 max	0.15 min		0.05 min
		0.60 max		0.60 max
Titanium⁰	0.20 max	0.15 min	0.75 min	0.15 min
		0.60 max	1.50 max	0.60 max
Columbium	0.4 min
	0.9 max
Molybdenum	2.50 max			1.0 min	0.50 min
				2.0 max	1.50 max
Niobium				0.2 min
				1.0 max
Tantalum				0.10 min
				0.60 max
Phosphorus	0.040 max				0.030 max
Tungsten	2.50 max
Cobalt, max	3.0
Nitrogen	0.15 min				0.10 min
	0.30 max				0.20 max
Boron	0.010 max
^A Iron shall be determined arithmetically by difference. ^B Alloy UNS N08800: 0.10 max. Alloy UNS N08810: 0.05-0.10. Alloy UNS N08811: 0.06-0.10. ^C Alloy UNS N08811: Al + Ti, 0.85-1.20.


Mechanical Properties and Other Requirements
Mechanical Properties—The material shall conform to the mechanical properties specified. Grain Size—Annealed UNS Alloys N08120, N08810, N08811, and UNS N08890 shall conform to an average grain size of ASTM No. 5 or coarser. Hydrostatic Test or Nondestructive Electric Test—Each pipe or tube shall be subjected to either the hydrostatic test or the nondestructive electric test. The type of test to be used shall be at the option of the manufacturer, unless otherwise specified in the purchase order. Annealing Temperature—Alloy UNS N08120 shall be annealed at 2150°F (1177°C) minimum, and UNS N08810 at 2050°F (1120°C) minimum.




Mechanical Properties of Pipe and Tube
Alloy	Condition (Temper)		Tensile Strength, min, psi (MPa)	Yield Strength, (0.2 % offset), min, psi (MPa)	Elongation in 2 in. or 50 mm (or 4D), min,%
UNS N08120	hot-finished annealed or cold-worked annealed		90 000 (621)	40 000 (276)	30
UNS N08800	cold-worked annealed		75 000 (520)	30 000 (205)	30
UNS N08800	hot-finished annealed or hot-finished		65 000 (450)	25 000 (170)	30
UNS N08810 and UNS N08811	hot-finished annealed or cold-worked annealed		65 000 (450)	25 000 (170)	30
UNS N08801	hot-finished annealed or cold-worked annealed		65 000 (450)	25 000 (170)	30
UNS N08890	hot-finished annealed or cold-worked annealed		75 000 (520)	30 000 (205)	35
UNS N06811	hot-finished annealed or cold-worked annealed		85 000 (585)	35 000 (240)	30
^A For properties of small-diameter and light-wall tubing.
Dimensions and Permissible Variations
Diameter and Wall Thickness: The permissible variations in the outside and inside diameter and wall thickness of pipe and tube shall not exceed those prescribed, as applicable. Permissible variations given are applicable only to two dimensions. Thus, if outside diameter and wall are specified, the inside diameter may not conform to the permissible variations shown. Similarly, if outside diameter and inside diameter are specified, the wall may not conform to the permissible variations shown. Length—When pipe or tube is ordered cut-to-length, the length shall not be less than that specified, but a variation of +V8 in. (3.2 mm) will be permitted for cold-worked material and +3/16 in. (4.8 mm) for hot-finished tube, except that for lengths over 30 ft (9.1 m), a variation of +V4 in. (6.4 mm) will be permitted. For small-diameter and light-wall tube, material shall conform to the applicable requirements. Straightness—Cold-drawn material shall be reasonably straight and free of bends and kinks. For small-diameter and light-wall tube, material shall conform to the applicable requirements. The camber (depth of chord) of hot-finished tube 5 in. (127 mm) in outside diameter and under shall not exceed 0.01 in./ft (0.8 mm/m). For sizes over 5 in. in outside diameter, the camber shall not exceed 0.015 in./ft (1.4 mm/m).






Permissible Variations in Outside and Inside Diameter and Wall Thickness (Average Wall)
Specified Outside Diameter or Calculated Nominal Outside Diameter (When Ordered to Inside Diameter and Average Wall)		Permissible Variations
		Outside Diameter or Inside Diameter		Wall Thickness,%
		+	–	+	–
Cold-Finished^A,B-C,DPipe and Tube
Inches
0.500 to 5/8, excl		0.005	0.005	15.0	15.0
5/8 to 1 1/2, incl		0.0075	0.0075	10.0	10.0
Over 1 1/2 to 3 1/2, incl		0.010	0.010	10.0	10.0
Over 3 1/2 to 4 1/2, incl		0.015	0.015	10.0	10.0
Over 4 1/2 to 6, incl		0.020	0.020	12.5	12.5
Over 6 to 6 5/8, incl		0.025	0.025	12.5	12.5
Millimetres
12.7 to 15.8, excl		0.127	0.127	15.0	15.0
15.8 to 38.1, incl		0.190	0.190	10.0	10.0
Over 38.1 to 88.9, incl		0.254	0.254	10.0	10.0
Over 88.9 to 114.3, incl		0.381	0.381	10.0	10.0
Over 114.3 to 152.4, incl		0.508	0.508	12.5	12.5
Over 152.4 to 168.3, incl		0.635	0.635	12.5	12.5
Hot-Finished Tube^E,F,G,H
Inches
2 1/2 to 5 1/2, excl		0.031	0.031	12.5	12.5
5 1/2 to 9 1/4, incl		0.047	0.047	12.5	12.5
Millimetres
63.5 to 139.7, excl		0.787	0.787	12.5	12.5
139.7 to 234.9, incl		1.19	1.19	12.5	12.5
^A The permissible variations in this table apply to individual measurements, including out-of-roundness (ovality), except for the following conditions. 1)Thin-Wall Pipe and Tube—For thin-wall pipe and tube having a nominal wall thickness of 3 % or less of the nominal outside diameter, in all conditions (temper), the mean outside diameter or mean inside diameter shall conform to the permissible variations of this table, and individual measurements (including ovality) shall conform to the plus and minus values of this table, with the values increased by 0.5 % of the nominal outside diameter. 2)Annealed Pipe and Tube Over 4 1/2 in. (114.3 mm) in Nominal Outside Diameter—For annealed pipe and tubing over 4 1/2 in. (114.3 mm) in nominal outside diameter with a nominal wall thickness greater than 3 % of the nominal outside diameter, the mean outside diameter or mean inside diameter shall conform to the permissible variations of this table, and individual measurements shall not exceed twice the permissible variations of this table. ^B For pipe and tube, in all tempers, with an inside diameter of less than V2 in. (12.70 mm) which cannot be successfully drawn over a mandrel, the inside diameter shall be governed by the outside diameter and the wall thickness variations. ^C For pipe and tube in all tempers with an inside diameter less than 50 % of the outside diameter, which cannot be successfully drawn over a mandrel, the inside diameter may vary over or under by an amount equal to 10 % of the nominal wall thickness and the wall thickness may vary ±15 %. ^D Eccentricity—The variation in wall thickness in any one cross section of any one cold-finished pipe or tube shall not exceed ±10 % of the actual (measured) average wall of that section (defined as the average of the thickest and the thinnest wall in that section). ^E For tube 5 in. (127.0 mm) and under in outside diameter the tolerance on the outside diameter applies for individual measurements and includes ovality. For tubes over 5 in. (127.0 mm) in outside diameter the mean outside diameter shall conform to the permissible variations of this table and individual measurements shall not exceed twice the permissible variations of this table. ^FThe diameter tolerances for tube with machined outside and inside diameters shall be +0.031 in. (0.787 mm), -0 for the outside diameter and +0, – 0.062 in. (1.57 mm) for the inside diameter. ^G If tube is specified as minimum wall, the tolerance shall be +28.5 %, -0. ^H The wall thickness tolerance includes eccentricity tolerance up to ±12.5 %.

Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407 grade UNS N06811	Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407 grade UNS N08890	Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407 grade UNS N08801
Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407 grade UNS N08810, UNS N08811	Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407 grade UNS N08800	Nickel-Iron-Chromium Alloy Seamless Pipe and Tube B407 grade UNS N08120

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