ASTMB163

Designation:B 163-08INTERNATIONALStandard Specification forSeamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes1This standard is issued under the fixed designation B 163:the number immediately following the designation indicates the year oforiginal adoption or in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon (e)indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope*B 880 Specification for General Requirements for Chemical1.1 This specification-covers seamless tubes of nickel andCheck Analysis Limits for Nickel.Nickel Alloys andnickel alloys,as shown in Table 1,for use in condenser andCobalt Alloysheat-exchanger service.E8 Test Methods for Tension Testing of Metallic Materials1.2 This specification covers outside diameter and averageE 18 Test Methods for Rockwell Hardness of Metallicwall,or outside diameter and minimum wall tube.Materials1.2.1 The sizes covered by this specification are 3 in.(76.2E29 Practice for Using Significant Digits in Test Data tomm)and under in outside diameter with minimum wallDetermine Conformance with Specificationsthicknesses of 0.148 in.(3.76 mm)and under,and with averageE76 Test Methods for Chemical Analysis of Nickel-Copperwall thicknesses of 0.165 in.(4.19 mm)and under.Alloys1.3 Tube shall be furished in the alloys and conditions asE 112 Test Methods for Determining Average Grain Sizeshown in Table 2.For small diameter and light wall tubeE 140 Hardness Conversion Tables for Metals Relationship(converter sizes),see Appendix X2.Among Brinell Hardness,Vickers Hardness,Rockwell1.4 The values stated in inch-pound units are to be regardedHardness,Superficial Hardness,Knoop Hardness,andas the standard.The values given in parentheses are forScleroscope Hardnessinformation only.E 1473 Test Methods for Chemical Analysis of Nickel,1.5 The following safety hazards caveat pertains only to theCobalt,and High-Temperature Alloystest method portion,Section 12,of this specification.This2.2 Federal Standards.standard does not purport to address all of the safety concerns,Fed.Std.No.102 Preservation,Packaging and Packingif any,associated with its use.It is the responsibility of the userLevelsof this standard to become familiar with all hazards includingFed.Std.No.123 Marking for Shipment(Civil Agencies)those identified in the appropriate Material Safety Data SheetFed.Std.No.182 Continuous Identification Marking of(MSDS)for this product/material as provided by the manufac-Nickel and Nickel-Base Alloysturer to establish appropriate safety and health practices,and2.3 Military Standard:5determine the applicability of regulatory limitations prior toMIL-STD-129 Marking for Shipment and Storageuse3.Terminology2.Referenced Documents3.1 Definitions:2.1 ASTM Standards:33.1.1 average diameter,n-average of the maximum andB 829 Specification for Gener