1、MIL-E-19933E(SH)5 August 1981SUPERSEDINGMIL-E-19933D(SHIPS)21 June 1967(See 6.7)MILITARY SPECIFICATIONELECTRODES AND RODS - WELDING BARE, CHROMIUMAND CHROMIUM-NICKEL STEELSThis specification is l pproved for use by the Naval SeaSystem Command, Department of the Navy, l nd is l vsllablcfor us. by l l
2、l Departments and Agencies of the Departmentof Defense1. SCOPE1.1 Scope. This specification covers chromium l nd chromium-nickelalloy bare welding electrodes and out-length rods for use with the inert-gas metal-are (consumable electrode) and the tungsten-arc weldingprocesses: and bare welding electr
3、ode in coils for submerged-arc weldingprocess.1.2 Classification.class 1 - Spooled electrode (wire form).1a - Large spool (12-inch flange).lb - Small spool (4-inch flange).Clsss 2 - Cut-length rods.class 3 - Coiled eletrode (with or without rim).38 - 25-pound coil weight.3b- 50-or 60-pound coil weig
4、ht.3C - Over 65-pound coil weight.1.2.2 Types and sizes. Electrodes and rods shall be furnished Inthe types and sizes shown in table 1, as specified (see 6.2).Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should bead
5、dressed to: Commander, Naval Sea Systems Command, SEA 3112, Departmentof the Navy, Washington,DC 20362 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end ofthis document or by letter. .Fsc 3439Provided by IHSNot for ResaleNo reproduction or
6、networking permitted without license from IHS-,-,-2* APPLICABLE DOCUMENTS2.1 Issues of documents. The following documents, of the issue ineffect on date of invitation for bids or request for proposal, form l partof the specification to the l xtent specified herein.SPECIFICATIONSMILITARYMIL-W-10430 -
7、 Welding Rods and Electrodes: Preparation forDelivery of.MIL-G-18455 - Argon, Technical.MIL-I-45208 - Inspection System Requirements.STANDARDSFEDERALFED-STD-151 - Metals, Test Methods.MILITARYMIL-STD-271 - Nondestructive Testing Requirements forMetals.Provided by IHSNot for ResaleNo reproduction or
8、networking permitted without license from IHS-,-,-MIL-E-19933E(SH)PUBLICATIONSNAVAL SEA SYSTEMS COMMANDMAVSEA 0900-LP-O03-9000 - Radiographic Standards for Produc-tion and Repair Welds.(copies Of specifications, standards, drawings, l nd publications re-quired by contractors in connection with speci
9、fic acquisition functionsshould be obtained from the contracting activity or as directed by the con-tracting officer.)2.2 Other publications. The following documents form l part of thisspecification to the extent specified herein. Unless otherwise indicated,the issue in l ffect on date of invitation
10、 for bids or request for proposalshall l pply.AMERICAN NATINAL STANDARDS INSTITUTE, INC. (ANSI)249.1 - Safety In Welding and Cutting.(Application for copies should be l ddressed to American NationalStandards Institute, Inc., 1430 Broadway, Mew York, NY 10018.)AMERICAN SOCIETY FOR TESTING AND MATERIA
11、LS (ASTM)A167 - Stainless l nd Beat-Resisting Chromium-NickeZ SteelPlate, Sheet and Strip.A240 - Heat-Resisting, Chromium and Chromium-Mlckel Stain-l less Steel Plate, Sheet l nd Strip for Fusion-Welded .Unfired Pressure Vessels.(application for copies should be addressed to the American Societyfor
12、Testing l nd Materials 1916 Race Street, Philadelphia, PA 19103.)AMERICAN WELDING SOCIETY (AWS)A4.2 - Standard Procedures for Calibrating Magnetic Instru-ments to Measure the Delta Ferrite Content ofAustenitic Stainless Steel Weld Metal.04.0 - Standard Methods for Mechanical Testing of Welds.(Applic
13、ation for copies should be addressed to the American WeldingSociety, Inc., 345 East 47th Street, New York, NY 10017.)DEPARTMENT OF LABORCode of Federal Regulations, Title 29, Part 1910 - Occupa-tional Safety and Health Standards.(Application for copies should be addressed to the Superintendent ofDoc
14、uments, U.S. Government Printing Office, Washington, DC 20402.)UNIFORM CLASSIFICATION COMMITTEE AGENTUniform Freight Classification Ratings, Rules, and Regula-tions. ,(Application for copies should be addressed to Uniform classificationCommittee Agent,Tariff Publication Officer, Room 1106, 222 South
15、 RiversidePlaza, Chicago, IL 60606.)3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitte
16、d without license from IHS-,-,-MIL-E-19933E(SH)3.2.5 Each l nd of rod or wire to be spliced during processing shallbe tested for alloy identity just prior to splicing l t the process station(see 3.2.5), except when splicing is done to repair a wire break withoutremoving the wire from the process lin
17、e.3.2.5.1 Both l rids of l ach coil drawn to final size shall be testedfor l lloy Identity (see 4.6.2) before rewinding. spooling, or straighteningand cutting into rods or electrodes.3.2.5.1.2 when rod coils l ra to be spliced during continuous process-ing operations, l ach l nd of l ach rod coil to
18、 be spliced shall be alloyIdentity tested at the process station just prior to splicing. Inl ddttlon, the loading l nd of the first coil l nd the tail l nd of the lastcoil for each continuous process run shall b. alloy identity tested. Whenl lloy identity testing is l ccomplished in accordance with
19、3.2.5.1.1 herein,these requirements l ra satisfied l s well.3.3 Class 1 - Spooled electrode.3.3.1 Tolerance (diameter size). Tolerances in diameter sizes forspooled electrode shall be: .0.035 inch and smaller diameters, plus or minus 0.001.0.045 inch l nd larger diameters, plus or minus 0.002.3.3.2
20、Weight. The weights of spooled l lectrodes shall be l s speci-fied in table IV.3.3.3 Winding. Each spool shall contain electrode in one continuouslength made from a single heat of material. The l lectrode shall be woundcicsely an Layers in such a manner that it shall be free to unwind withoutrestric
21、tion caused by overlapping or wedging, and shall not produce kinks,waves or sharp bends, or In any way jam the wire-feed mechanism of thewelding equipment. The starting l nd shall be firmly fastened and identi-fied so that it 13 readily visible to the welding operator and both endsshall be easily ac
22、cessible for inspection purposes.6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-19933E(SH)3.3.4 Cast and helix - class 1a.3.3.4.1 Cast. Sufficient electrode wire shall be taken from thespool to form one complete circle. This wire, when laid o
23、n l flat surface,shall form a circle not less than 15 inches and not greater than 30 inchesin diameter.3.3.4.2 Helix. The elecrode shall not exhibit l tendency towardspiraling that interferes with welding performance. The verticalseparation between turns of the released specimen in 3.3.4.1 shall not
24、exceed 1 inch.3.3.5 Temper - class lb. The electrode shall possess a suitabletemper for l ssuring uniform feeding In welding equipment.3.3.6 Identification. Mil type designation, size, and lot-controlnumber of the spooled electrode shall be clearly shown on the spool flangel xposed to view when the
25、spooled electrode is properly installed for -welding In the equipment.3.4 class 2. Cut length rods.3.4.1 Tolerance (diameter size). Rods shall not vary from thenominal diameter to more than plus 0.002 inch, minus 0.003 Inch.3.4.2 Length. The length of rods shall be 12, 18 or 36 inches plusor minus 1
26、/2 inch as specified (see 6.2). In the case of 36 inch rods, UPto 10 percent of rods in any container may be shorter than 36 inches, butnot shorter than 24 inches.3.4.3 Identification. Cut-length rods shall be identified by posi-tive and legible methods such as imprinting or indenting the applicable
27、type designation number (see table II) at one or more locations on the rodsurface approximately 1 inch from rod end, or shall be identified bypressure-sensitive, plastic-coated tape imprinted with applicable typenumber at one or more locations l nd attached to the rod 1 inch from itsl nd.Imprints on
28、 rods or on tape shall be with fade-proof ink and shall resistant to oils,solvents and all atmospheric conditions and to normalwear and tear encountered in shipping and handling.3.4.4 Production equipment inspection. When a change is made in aproduction run of one MIL-type rod to another, inspection
29、 shall beperformed prior to starting the new run to assure that equipment l ndprocess lines are purged of material from the previous production run.This Inspection shall be performed for all equipment used in manufacturingoperations where the material is not segregated and positively identified,e.g.
30、, cutting to length.3.5 Class 3 - coils.3.5.1 Tolerance (diameter size). Coiled electrode shall not veryfrom the nominal diameter by more than plus or minus 0.002 inch.3.5.2 Winding All coils shall be level l nd layer wound, free fromcross winding or waves and sharp bends or kinks that would interfe
31、re withcontinuous operation. The coil shall be one continuous length made from a7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-19933E(SH)single heat of material. Both ends shall be easily accessible for inspec-tion purposes. l3.5.3 Cast and h
32、elix. Sufficient electrode to form one completecircle shall be taken from the coil and laid On a flat surface to form acircle of which the diameter is not less than the original inside coil normore than 2-1/2 times the outside diameter of the original coil. thevertical seperation between turns of th
33、is specimen shall not exceed 2Inches.3.5.3.1 0 l rabilit the electrode shall not exhibit a tendencytoward sprialling that interfaces with welding.3.5.4 Coil weight l nd dimensions. coiled electrode shall befurnished in weights spedified in 1.2. Coil dimensions shall be in accord-TABLE V. Coil weight
34、 l nd dimensions.Elect-rodesizeALLAllAllWeight widthI(max.)(Pounds) (Inches)25 + 2 2-1/450 to 75 4-1 /24-1 /2 -150 - 10 4-1/2 “200 25 31-112Insidediameter(Inch.s)12-1/8 + 1/412-1/8 : 1/422-1/2 min.22-1/2 min.RequiredRequiredRequiredRequired1 Equally spaced ties shall be two turns of soft galvanized
35、or copperedsteel binding wire, 16 or 18 gauge or steel straps 3/8 inch minimum91 width and 0.015 inch minimum thickness.= Liner shall be either of good commercial grade shipboard or double kraftlined fiberboard 0.08 inch thick minimum and approximately 4 incheswide.u. QUALITY ASSURANCE PROVISIONSU*?
36、 Responsibility for inspection. Unless otherwise specified inthe contract, the contractor is responsible for the performance of allinspection requirements l s specified herein. Except as otherwise specifiedin the contract, the contractor may use his own or any other facilities8Provided by IHSNot for
37、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-19933E(SH)suitable for the performance of the Inspection requirements specifiedherein , unless disapproved by the Government. The Government reserves theright to perform any of the inspections set forth in the specific
38、ationwhere such inspections are deemed necessary to assure supplies and servicesconform to prescribed requirements.4.1.1 Inspection system. The contractor shall provide and maintainan inspection system l cceptable to the Government for supplies and servicescovered by this specification. The Inspecti
39、on system shall be in accord- .ante with MIL-I-45208.4.1.2 Certificate of tests. A certificate of quality conformance Ofthe tests specified in 4.6 containing actual quantitative test resultsincluding the process and range of amperage employed in making the requiredweld test for quality conformance i
40、nspection for each accepted lot includ-ing a particular shipment shall be furnished to the consignee with theshipment. The quality conformance test result data shall be submitted onthe form shown as figure 4.4.2 Classification of inspections. The inspection requirementsspecified herein are classifie
41、d as follows:(a) Qualification inspection (see 4.3).(b) Quality conformance inspection (see 4.4).4.3 Qualification inspection. Qualification inspection will beauthorized only to manufacturers of welding electrodes and rods. The manu- facturer is defined as the actual processor of the welding electro
42、des androds, engaged in the final cleaning, spooling, cutting to lenght affixing rod identification,marking and packaging operations. Qualification testsshall be conducted at a laboratory satisfactory to the Naval Sea systemsCommand (NAVSEA). Qualification tests shall consist of the tests specifiedi
43、n table VI and making all necessary examinations to verify conformance toall specification requirements not involving tests.4.3.1 Sample for qualification tests. The electrode selected fortesting shall be one spool of class 1a, l/16-inch diameter size of thealloy for which the manufacturer desires t
44、o qualify, provided this size andclass is representative of the cleaning method used for all sizes andclasses of that alloy.If more than one cleaning method is used forvarious other diameter sizes and classes of any electrode alloy. qualifica-tion applications shall give complete details. The manufa
45、cturer shallfurnish one spool of class 1a electrode of the alloy to be qualified. Thesample shall be selected in the presence of the Government inspector,4.3.1.1 Approval obtained on the class la, l/16-inch diameter sizeelectrode of a specific alloy will include qualification of all classes andsizes
46、 of electrodes and rods of that alloy.9Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-19933E(SH)4.4 Quality conformance inspection. Quality confo
47、rmance inspectionshall consist of the tests specified in table VI.4.4.1 Sampling for quality conformance inspection.4.4.1.1 Lot . For the purposes of sampling and inspection, a lot ofspooled electrode, coiled electrode, or cut-length rod is defined as thequantity of one type and size produced from t
48、he same heat of metal. thelot size shall be expressed in pounds of rod or of electrode.4.4.1.2 Sampling for inspection of filled containers. Unit packagssand shipping containers shall be sampled l ndinspected in l ccordance withMIL-U-1043O.4.4.1.3 Sampling for examination of out rods l nd electrode.
49、 Samplerods and electrode shall be selected either from the production lineimmediately prior to packaging or from filled unit packages. If selectedfrom the production line,the total sample shall be in accordance withtable VII l nd the electrodes or rods shall be selected throughout the “run“so that all parts of the “run“ are represented. If selection is made afterthe packaging ope
