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SPECIFICATION FOR SEAMLESS NICKEL AND NICKEL ALLOY CONDENSER AND EXCHANGER TUBES SB-163 (Identical with ASTM Specification except for the deletion of Supplementary Requirements for U.S. government and Appendix X2.) 1 . Scope 1.1 This specification covers seamless tubes of nickel and nickel alloys, as shown in Table for use in condenser and heat-exchanger service. 1.2 This specification covers outside diameter and average wall, or outside diameter and minimum wall tube. 1.2.1 The sizes covered by this specification are 3 in. (74.2 mm) and under in outside diameter with minimum wall thicknesses of 0.148 in. (3.76 mm) and under, and average thicknesses of 0.165 in. (4.19 mm) and under. 1.3 Tube shall be furnished in the alloys and condi- tions as shown in Table 2. 1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are for information only. 1.5 The following safety hazards caveat pertains only to the test method portion, Section 12, of this specification. This standard does not purport to address all of the safety if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 2 . Referenced Documents 2.1 ASTM Standards: E 8 Test Methods for Tension Testing of Metallic Mate- rials E 18 Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials E 29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications E 76 Test for Chemical Analysis of Copper Alloys E 112 Test Methods for Determining the Average Grain Size E 140 Hardness Conversion Tables for Metals E 354 Test Methods for Chemical Analysis of Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys E 1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys 2.2 Federal Standards: Fed. Std. No. 102 Preservation, Packaging and Packing Levels Fed. Std. No. 123 Marking for Shipment (Civil Agencies) Fed. Std. No. 182 Continuous Identification Marking of Nickel and Nickel-Base Alloys 2.3 Military Standard: MIL-STD-129 Marking for Shipment and Storage TABLE 1 CHEMICAL REQUIREMENTS C o m p o s i t i o n , % A l l o y S i l i c o n f u r , Nickel [Note Max N i t r o g e n Yttrium Boron Cobalt Nicke l UNS NO2200 9 9 . 0 min. 0 .25 m a x 0 . 4 0 0 .35 0.15 0.35 L o w - C a r b o n N i c k e l U N S 9 9 . 0 min. 0 .25 0 . 4 0 0 . 3 5 0 . 0 2 0 . 3 5 NO2201 N i c k e l - C o p p e r A l l o y U N S 6 3 . 0 min. 28 .0 to 2.5 max 2 . 0 0 . 3 0 . 5 NO4400 Nickel-Chromium-Iron Al loy UNS NO6600 Nickel-Chromium-Iron Al loy UNS NO6601 Nickel-Chromium-Iron Al loy UNS NO6690 Nickel-Chromium-Iron Al loy UNS NO6025 Al loy UNS NO6045 3 4 . 0 7 2 . 0 m i n . 0 .5 max 58.0 to 1.0 max 6 3 . 0 5 8 . 0 m i n . 0 . 5 0.1 4 5 . 0 m i n . 0 . 3 6 .0 to 10.0 1.0 0.15 0.5 remainder 1 . 0 0 . 1 0 0 .5 7 . 0 to 11 .0 0 . 5 0 . 0 5 0 . 5 8.0 to 11.0 0.15 0.15 to 0.25 0.5 21.0 to 1.0 0 . 0 5 to 0 .12 2 . 5 to 2 5 . 0 3 . 0 8 .0 to 11 .0 0 . 1 5 0 .20 to 0 .40 0 . 5 0 a l u m i n u m a l l o y U N S NO6603 Nickel-iron-chromium al loy UNS NO8120 Al loy UNS NO8800 Nickel-Iron-Chromium Al loy UNS NO8810 Nickel-Iron-Chromium Al loy UNS Nickel-Iron-Chromium Al loy UNS NO8801 Nickel-Iron-Chromium- Molybdenum-Copper Al loy UNS NO8825 14.0 to 1 7 . 0 21.0 to 2 5 . 0 27.0 to 3 1 . 0 24.0 to 2 6 . 0 26.0 to 2 9 . 0 24.0 to 2 6 . 0 1.0 to 1.7 0 . 0 1 t o 0 . 0 5 t o 0 . 1 0 0 . 1 2 0.01 to 0.10 0.15 0.010 0.010 0.010 1.8 to 2 . 4 0.1 to 0 . 0 2 0 0.2 m a x 0 . 0 2 0 0 .03 to 0 .09 0.01 to 0 . 0 2 0 . 0 .25 m a x Balance 0 . 5 0 2.4 to 3 . 0 0 .50 2 . 5 0 remainder max 0.75 m a x 3 9 . 5 m i n . 0 .75 3 9 . 5 m i n . 0 .75 m a x . 3 9 . 5 m i n . 1 .5 0.02 to 0.10 1.5 0.10 1.0 1 . 0 1 . 0 1 . 0 1 . 0 0 0 . 5 0 . 0 3 0 . 0 1 5 23.0 to 2 7 . 0 19.0 to 2 3 . 0 19.0 to 2 3 . 0 19.0 to 2 3 . 0 0 . 4 0 m a x 0.15 to 0 . 6 0 0.15 to 0 . 6 0 0.15 to 0 . 6 0 0.15 to . 0 . 3 0 0.15 to 0 . 6 0 0.15 to 0 . 6 0 0 . 1 5 0 . 6 0 0.75 to 1 .5 0 . 6 t 0 1 . 2 0 . 0 1 0 3 . 0 0 . 4 t o 2 . 5 035.0 to 3 9 . 0 30.0 to 3 5 . 0 30.0 to 3 5 . 0 30.0 to 3 5 . 0 0.9 max 1.5 0.05 to 0 . 1 0 1 .5 0.06 to 0.10 0 . 0 1 5 0 . 0 1 5 30.0 to 0 . 5 0 3 9 . 5 m i n . 3 4 . 0 38.0 to 1 .5 to 3 .0 2.5 to 2 2 . 0 m i n . 4 6 . 0 3 . 5 1 . 5 0 0.10 0 . 0 1 5 0 . 0 3 19.0 to 2 2 . 0 19.5 to 2 3 . 5 1.0 0 .05 max 0 . 2 N O T E S : Maximum unless range is given. Element shall be determined arithmetically by difference. A l loy UNS A l + T i , 0 .85 1 .20 . PART B NONFERROUS SPECIFICATIONS SB-163 TABLE 2 ALLOY AND CONDITIONS Alloy Nickel UNS and Low-Carbon Nickel UNS NO2201 Nickel-Copper Alloy UNS NO4400 Nickel-Chromium-Iron-Aluminum Alloy UNS NO6603 Nickel-Chromium-Iron Alloy UNS NO6600 Nickel-Chromium-Iron Alloy UNS NO6601 Nickel-Chromium-Iron Alloy UNS NO6690 Nickel-Chromium-Iron Alloy UNS NO6045 Nickel-Iron-Chromium Alloy UNS NO8120 Nickel-iron-Chromium Alloy UNS NO8800 Nickel-Iron-Chromium Alloy UNS NO8810 Nickel-Iron-Chromium Alloy UNS NO8811 Nickel-Iron-Chromium Alloy UNS NO8801 Nickel-Iron-Chromium-Molybdenum-Copper Alloy UNS NO8825 Nickel-Chromium-Iron Alloy UNS NO6025 NOTE: Condition Annealed or stress-relieved Annealed or stress-relieved Annealed Annealed Annealed Annealed Annealed Annealed or cold-worked Annealed or cold-worked Annealed Annealed Annealed Annealed Annealed Alloy UNS NO8800 is normally employed in temperatures up to and including (593°C). Alloys UNS N08810, UNS N08811, and UNS NO8120 are normally employed in service temperatures above where resistance to creep and rupture is required, and it is annealed to develop controlled grain size for optimum properties in this temperature range. 3 . Terminology 3.1 Definitions: 3.1.1 average diameter average of the maximum and minimum outside diameters, as determined at any one cross section of the tube. 3.1.2 tube hollow product of round or any other cross section having a continuous periphery. 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 (Table 4.1.2 Condition (Temper) Table 3 and Appendix Xl. 4.1.2.1 If annealed ends for stress relieved tubing are desired, state length of end to be annealed and whether or not one end or both ends are to be annealed. 4.1.3 Finish. 4.1.4 Dimensions Outside diameter, minimum or average wall thickness (in inches, not gage number), and length. 4.15 Fabrication Operations: 4.1.5.1 4.1.5.2 4.1.5.3 4.1.5.4 employed. Pressure Requirements If other than required by Cold Bending or Coiling. Packing. Rolling or Expanding into Tube Sheets. Welding or Brazing Process to be will and 4.1.5.6 Ends Plain ends cut and deburred be furnished. 4.1.6 Supplementary Requirements State nature details. 4.1.7 Certification State if certification is re- quired (Section 1.5). 4.1.8 Samples for Product (Check) Analysis Whether samples for product (check) analysis be furnished. 4.1.9 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 (Sec- tion 13). 1 4 9 SB-163 1998 TABLE 3 MECHANICAL PROPERTIES OF TUBES Material and Condition Yield Strength Rockwell Hardness Tensile Strength, (0.2% Offset), Elongation in 2 in. (or Equivalent) for Min., ksi Min., psi or 50 mm (or 4 min., % Annealed Ends Nickel UNS N02200: Annea led Stress-relieved Low-Carbon Nickel UNS N02201: Annea led Stress-relieved Nickel-Copper Alloy U N N 04400 Annealed Stress-relieved Nickel-Chromium-Iron Alloys: Annealed Alloy Annealed Alloy UNS NO6601 Annealed Alloy UNS NO6690 Annealed Alloy UNS NO6045 Annealed Alloy UNS NO6025 Annealed Alloy UNS NO6603 Nickel-Iron-Chromium Alloys: Annealed Alloy NO8120 Annealed Alloy UNS NO8800 Annealed Alloy UNS Cold-worked Alloy UNS NO8800 Annealed Alloy UNS Annealed Alloy NO8811 Nickel-iron-Chromium-Molybdenum-Copper Alloy: Annealed UNS NO8825 5 5 6 5 15 4 0 40 15 65 max 5 0 6 0 1 2 30 4 0 15 62 max 7 0 28 8 5 55 35 15 75 max 80 35 80 30 85 35 90 35 94 43 94 43 30 30 30 35 30 25 90 40 75 30 65 25 83 47 65 25 65 25 30 30 30 30 30 30 8 5 35 30 NOTE: Rockwell or equivalent hardness values apply only to the annealed ends of stress-relieved tubing. Caution should be observed in using the Rockwell test on thin material, as the results may be affected by the thickness of specimen. For thickness under 0.050 in. (1.27 mm) the use of the Rockwell superficial or the hardness test is suggested. For hardness conversions for nickel and high-nickel alloys, see Hardness Conversion Tables E 140. 5 . Chemical Composition 5.1 The material shall conform to the composition limits specified in Table the hardness of the ends after annealing shall not exceed the values specified in Table 3. 5.2 If a product (check) analysis is performed by the purchaser, the material shall conform to the product (check) analysis variations in Table 4. 6.3 Flare A flare test shall be made on one end of each random length tube after heat treatment. In the case of stress-relieved tubing with annealed ends, the test shall be made prior to, or subsequent to, annealing of the ends, at the option of the manufacturer. 6. Mechanical Properties and Other Requirements 6.1 Properties The material shall conform to the mechanical properties specified in Ta- ble 3. 63.1 The flare test shall consist of Baring a test specimen with an expanding tool having an included angle of 60 deg. until the specified outside diameter has been increased by 30%. The flared specimen shall not exhibit cracking through the wall. 6.2 Hardness When ends are specified 6.4 Grain Size A transverse sample representing for tubing in the stress-relieved condition (see Table full-wall thickness of annealed alloys UNS NO8810 150 PART B SPECIFICATIONS SB-163 Element Specified Limit of Element, Variation Under or Over Max. of the Specified Limit or Element Nickel Copper TABLE 4 PRODUCT (CHECK) ANALYSIS CHEMICAL COMPOSITION VARIATIONS Manganese Carbon S i l i c o n Sulfur Chromium Aluminum Titanium Phosphorus Zirconium Yttrium Tungsten Cobalt Boron Colum- bium Nitrogen Over 20.00 to 30.00, 0.25 Over 40.00, 0.30 Over 60.00, 0.35 Over 80.00, 0.45 Over 99.00, 0.60 up to 0.20 Over 0.20 to 0.50, Over 0.50 to 5.00, Over 20.00 to 30.00, Over 30.00 to 40.00, 0.02 0.03 0.04 0.15 0.20 Over 0.75, Over 0.75 to 2.50, Over 5.00 to 10.00, Over 10.00 to 15.00, Over 15.00 to 30.00, Over 30.00 to 50.00, 0.03 0.05 0.10 0.15 0.30 0.45 Up to 1.00, Over 1.00 to 3.00, 0.03 0.04 Up to 0.02, Over 0.02 to 0.20, Over 0.20 to 0.60, 0.005 0.01 0.02 Over 0.25 to 0.50, Over 0.50 to 1.00, Over 1.00 to 4.50, 0.03 0.05 0.10 Up to 0.02, Over 0.02 to 0.060, 0.003 0.005 Over 5.00 to 15.00, 0.15 Over 15.00 to 25.00, 0.25 Over 25.00 to 35.00, 0.30 Over 0.10 to 0.50, Over 0.50 to 2.00, Over 2.00 to 5.00, Over 0.10 to 0.50, Over 0.50 to 1.00, Over 1.00 to 2.00, All Up to 0.10, Up to 0.10, Over 0.10 to 0.20 Up to 0.10, Up to 1.00, Over 1.00 to 3.00, Over 0.02 to 1.00, Over 1.00 to 5.00, Up to 0.10, Up to 1.50, Up to 0.02, Over 0.02 to 0.19, Over 0.19 to 0.25, Over 0.25 to 0.35, 0.05 0.10 0.20 0.03 0.04 0.05 0.005 0.01 0.01 0.02 0.01 0.04 0.10 0.03 0.05 0.002 0.05 0.005 0.01 0.02 0.03 and NO88 1 shall conform to an average grain size of ASTM No. 5 or coarser. 6.5 Hydrostatic Test: Each tube with an outside diameter in. A00 (3.2 mm) and larger and tubes with wall thickness of 0.015 in. (0.38 mm) and over shall be tested by the manufacturer to an internal hydrostatic pressure of 1,000 psi (6.9 provided that the fiber stress calculated in accordance with the following equation does not exceed the allowable fiber stress, indicated below. The tube shall show no evidence of leakage. P = where: P = hydrostatic test pressure, psi = allowable fiber stress for material in the condi- tion furnished, as follows: psi- - Annealed low-carbon nickel UNS NO2201 8,000 55.2 Stress-relieved low-carbon nickel UNS NO2201 15,000 103.4 Annealed nickel UNS NO2200 68.9 Stress-relieved nickel UNS NO2200 16,200 111.7 Annealed nickel-copper alloy UNS NO4400 17,500 120.6 Stress-relieved nickel-copper alloy UNS NO4400 21,200 146.2 Annealed nickel-chromium-iron alloy UNS NO6600 20,000 137.9 Annealed nickel-chromium-iron alloy UNS NO6601 20,000 137.9 Annealed nickel-chromium-iron alloy UNS NO6690 21,200 146 Annealed nickel-chromium-iron alloy UNS NO6045 22,500 Annealed nickel-chromium-iron alloy UNS NO6025 24,000 165 Annealed nickel-chromium-iron-aluminum alloy 24,000 165 NO6603 Annealed nickel-iron-chromium UNS NO8120 22,500 155 Annealed nickel-iron-chromium alloy UNS NO8800 18,700 128.9 Annealed nickel-iron-chromium alloy UNS NO8810 16,600 114.4 nickel-iron-chromium alloy UNS NO881 I 16,600 114.4 Annealed nickel-iron-chromium alloy 16,600 114.4 Annealed nickel-iron-chromium-molybdenum 21,000 144.8 per alloy UNS NO8825 Cold-worked nickel-iron-chromium alloy UNS NO8800 20,700 142.7 = minimum wall thickness, in. (mm); equal to the specified average wall minus the permissible “minus” wall tolerance, Table 5, or the specified minimum wall thickness, and D = outside diameter of the tube, in. (mm). 6.5.2 When so agreed upon between the manufac- turer and the purchaser, tube may be tested to times the above allowable fiber stress. 6.5.3 When stress-relieved tubes with ends are to be tested hydrostatically, such pressure testing shall be done prior to annealing of the ends of the tube. 151 T A B L E 5 PERMISSIBLE VARIATIONS IN OUTSIDE DIAMETER AN5 WALL THICKNESS OF CONDENSER Permissible Variations Wall Thickness, % Minimum Outside Diameter, in. Average Wail Wall Nominal Outside Diameter, Material in. + + UNS N02200, UNS N02201, to (12.7 to 0.005 0 12.5 12.5 25.0 0 and UNS NO4400 to (15.9 to 0.005 0.005 10.0 10.0 20.0 0 Over to 3 (38.1 to 0.010 0.010 10.0 10.0 22.0 0 UNS N06600, UNS N06601, UNS N06690, to (12.7 to 0.005 (0.13) 0.005 12.5 12.5 25.0 0 UNS N06045, UNS N06025, UNS UNS N08800, UNS N08810, UNS N08811, UNS N08801, UNS N08825, and NO8120 to (15.9 to 0.0075 0.0075 10.0 10.0 20.0 0 Over to 3 (38.1 to 0.010 0.010 10.251 10.0 10.0 22.0 0 GENERAL NOTES: The tolerances in the Table apply to individual measurements of outside diameter and include out-of-roundness and apply to all materials and all conditions, except that for thin wall tubes having a nominal wall of 3% or less of the outside diameter, the mean outside diameter shall comply with the permissible variations of the above Table and individual measurements (including ovality) shall conform to the plus and minus values of the Table with the values increased by of the nominal outside diameter. Eccentricity The variation in wall thickness in any one cross section of any one tube shall not exceed plus or minus 10% of the actual (measured) average wall of that section. The actual average wall is defined as the average of the thickest and thinnest walls of that section. NOTE: Wall variations as indicated above are applicable only to the wall as ordered, for instance, to minimum or to average wall, but not to both. PART B MATERIAL SPECIFICATIONS SB-163 7. Dimensions and Permissible Variations 7.1 Outside Diameter and Wall Thickness The permissible variations in the outside diameter and wall thickness of tube shall not exceed those prescribed in Table 5, as applicable. 7.2 Length When tube is ordered cut-to-length, the length shall not be less than that specified, but a variation of plus in. (3.2 mm) will be permitted, except that for lengths over 30 ft (9.1 m), a variation of plus in. (6.4 mm) will be permitted. 7.3 Straightness Material shall be reasonably straight and free of bends or kinks. 8. Workmanship, Finish, and Appearance 8.1 The material shall be uniform in quality temper, smooth, commercially straight, and free of injurious imperfections. 9. Sampling 9.1 Lot Definition: 9.1.1 A lot for chemical analysis shall consist of one heat. 9.1.2 A lot for mechanical properties, hardness, and grain size testing shall consist of all material from the same heat, nominal size (excepting length), and condition (temper). 9.1.2.1 Where material cannot be identified by heat, a lot shall consist of not more than lb (230 kg) of material in the same condition (temper) and size. 9.2 Test Material Selection.: 9.2.1 Chemical Analysis Representative samples shall be taken during pouring or subsequent processing. 9.2.1.1 Product (check) analysis shall be wholly the responsibility of the purchaser. 9.2.2 Mechanical Properties, Hardness, and Grain Size Samples of the material to provide test specimens for mechanical properties, hardness, and grain size shall be taken from such locations in each lot as to be representative of that lot. 10. Number of Tests 10.1 Chemical Analysis One test per lot. 10.2 Mechanical Properties One test per lot. 10.3 Hardness A representative sample consisting of 3% of each lot of tubes with ends (see 9.1.2). 10.4 Grain Size One test per lot. 10.5 Flare One end of each random length tube. 11. Specimen Preparation 11.1 Tension Test: 11.1.1 Tension test specimens shall be taken from material in the final condition (temper) and tested in the direction of fabrication. 11.1.2 Whenever possible, all tubes shall be tested in full tubular size. When testing in tubular size is not possible, longitudinal strip specimens, or the largest possible round specimen, shall be used. In the event of disagreement when full tubular testing is not possible, a longitudinal strip specimen with reduced gage length as contained in Test Methods E 8 shall be used. 11.1.3 In the case of stress-relieved tubes furnished with annealed ends, the tension test shall be made on the stress-relieved tubes prior to annealing the ends. 11.2 Hardness Test: 11.2.1 Stress-Relieved Tubing with Annealed Ends The hardness test may be made on the inside of the tube near the end or on a specimen cut from the end, at the option of the manufacturer. The test shall be made on the inside of the specimen. 12. Test Methods 12.1 The chemical composition, mechanical, and other properties of the material as enumerated in this specification shall be determined, in case of disagree- ment, in accordance with the following methods: Test Chemical Analysis Tension Rounding Rockwell Hardness Grain Size Hardness Conversion ASTM Designation E 76, E 1473 E 8 E 29 E 18 E 112 E 140 153 SB-163 1998 SECTION II 12.2 The measurement of average grain size may 14.2 Samples tested in accordance with this specifica- be carried out by the planimetric method, the comparison tion that represent rejected material shall be preserved method, or the intercept method described in Test for not less than three weeks from the date of the test Methods E 112. In case of dispute the “referee” method report. In case of dissatisfaction with the results of the for determining average grain size shall be the tests, the manufacturer may make claim for a rehearing method. within that time. 12.3 For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated below, in accordance with the rounding method of Practice E 29: 15. Certification Rounded Unit for Observ