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HAYNES 25 alloy - Haynes International

in the form of plate, sheet, strip, billet, bar, wire, coated electrodes, pipe and tubing. Applications HAYNES 25 alloy combines properties which make it




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Text of HAYNES 25 alloy - Haynes International

HIGH-TEMPERATURE ALLOYSHAYNES 25 alloyA Co-Ni-Cr-W alloy thatcombines excellent high-temperature strength withgood oxidation 1997 Haynes International, Compositionand Principal Features3Creep and Stress-Rupture Strength4Typical Tensile Properties6Cold-Worked Properties7Impact Strength9Thermal Stability9Typical Physical Properties10Metal-to-MetalGalling Resistance12Hot Hardness Properties12Aqueous Corrosion Resistance 12Oxidation Resistance13Sulfidation Resistance14Fabrication Characteristics15Welding17Health and SafetyInformation17Machining18in the form of plate, sheet,strip, billet, bar, wire, coatedelectrodes, pipe and 25 alloy combinesproperties which make itsuitable for a number ofcomponent applications in theaerospace industry, includingparts in established militaryand commercial gas turbineengines. In modern engines, ithas largely been replaced bynewer materials such asHAYNES 188 alloy, and, mostrecently, 230 alloy, whichpossess improved area of significantusage for 25 alloy is as abearing material, for both ballsand SpecificationsHAYNES 25 alloy is coveredby the following specifications:AMS 5537 (sheet, strip andplate), AMS 5759 (bar, ringsand forgings), AMS 5796(welding wire), and AMS 5797(coated welding electrodes).The UNS number for thismaterial is FEATURESHAYNES 25 alloyNOMINAL CHEMICAL COMPOSITION, PERCENTCoaN iC rWFeM nS iC511020153* * *Maximuma As balanceExcellent High-TemperatureStrength and GoodOxidation ResistanceHAYNES 25 alloy is a cobalt-nickel-chromium-tungstenalloy that combines excellenthigh-temperature strength withgood resistance to oxidizingenvironments up to 1800 F(980 C) for prolonged expo-sures, and excellent resis-tance to sulfidation. It can befabricated and formed byconventional techniques, andhas been used for castcomponents. Other attractivefeatures include excellentresistance to metal 25 alloy has goodforming and welding charac-teristics. It may be forged orotherwise hot-worked, provid-ing that it is held at 2200 F(1205 C) for a time sufficient tobring the entire piece totemperature. The alloy hasgood ductility, and thus alsomay be formed by coldworking. The alloy does work-harden very rapidly, however,so frequent intermediateannealing treatments will beneeded for complex componentforming operations. All hot- orcold-worked parts should beannealed and rapidly cooled inorder to restore the best bal-ance of properties. The alloycan be welded by both manualand automatic welding meth-ods, including gas tungsten arc(GTAW), gas metal arc (GMAW),shielded metal arc, electronbeam and resistance exhibits good restraint weld-ing TreatmentWrought HAYNES 25 alloy isfurnished in the solution heat-treated condition, unlessotherwise specified. The alloyis normally solution heat-treatedat 2150 to 2250 F (1175 to1230 C) and rapidly cooled orwater-quenched for optimalproperties. Annealing attemperatures less than thesolution heat-treating tempera-ture will produce some carbideprecipitation in 25 alloy, whichmay affect the alloy s in Convenient FormsHAYNES 25 alloy is produced 1997 Haynes International, Initial Stress, Ksi (MPa)TemperatureCreepto Produce Specified Creep in: F ( C)%10 ,000 (650) (425) (330) (230) (490) (370) (270) (565) (475) (395)1300 (705) (295) (205) (145) (340) (210) (160) (440) (345) (260)1400 (760) (195) (135) (100) (220) (150) (110) (325) (250) (180)1500 (815) (130) ( 97) ( 70) (140) (105) ( 85) (235) (170) (125)1600 (870) ( 94) ( 68) ( 48) (105) ( 83) ( 61) (165) (120) ( 83)1700 (925) ( 67) ( 47) ( 31) ( 83) ( 61) ( 39) (120) ( 81) ( 50)1800 (980) ( 47) ( 31) ( 18) ( 61) ( 39) ( 21) ( 81) ( 50) ( 28)HAYNES 25 alloy is a solid-solution-strengthened materialwhich possesses excellenthigh-temperature strength. It isparticularly effective for verylong-term applications attemperatures of 1200 to 1800 F(650 to 980 C). It is strongerthan nickel-base solid-solution-strengthened alloys, and is thestrongest of the cobalt-basematerials which still have goodfabrication AND 2200 F (1205 C) SOLUTION-ANNEALED SHEET*CREEP AND STRESS-RUPTURE STRENGTH*Based upon limited 25 alloyTestApproximate Initial Stress, Ksi (MPa)TemperatureCreepto Produce Specified Creep in: F ( C)%10 ,000 (730) (295) (250) (210)1500 (815) (205) (150) (115)1600 (870) (160) (115) ( 83)1700 (925) (115) ( 83) ( 58)1800 (980) ( 79) ( 52) ( 34)5CREEP AND STRESS-RUPTURE STRENGTHHOT-ROLLED AND 2250 F (1230 C) SOLUTION-ANNEALED BARCOMPARATIVE RUPTURE STRENGTH, SHEET25188230XHAYNES 25 alloy25188230X05101520250255075100125150 175Stress, KsiStress, MPa1500 F (815 C)(All Materials Solution Annealed)1700 F (925 C)STRESS TO RUPTURE IN 1,000 HOURS6HAYNES 25 YieldElongationTemperatureStrengthStreng thin 2 in. (51 mm) F CK s iM P aK s iM P a%RoomRoom146100569475511000540112770483 3060120065010874548330601400760936404128 5421600870604153625045180098034235181253 62000109523160117648*Limited dataCOLD-ROLLED AND 2200 F (1205 C) SOLUTION-ANNEALED SHEET*HOT-ROLLED AND 2250 F (1230 C) SOLUTION-ANNEALED BAR* YieldElongationTemperatureStrengthStreng thin 2 in. (51 mm) F CK s iM P aK s iM P a%RoomRoom147101573505601000540113780432 9563120065010572543295491400760906204128 5291600870543703423529180098028195191304 1*Limited dataVACUUM INVESTMENT CASTINGS SOLUTION TREATED* YieldElongationRe ductio nTemperatureStrengthStrengthin 5Din Area F CK s iM P aK s iM P a%%RoomRoom98675604152533800425815603020 5423512006507451027185303414007604631525 1702429160087043295241652531180098028195 231602434*Limited dataTYPICAL TENSILE PROPERTIES7HAYNES 25 alloy has excellent strength and hardness characteristics in the cold-worked high property levels are also evident at elevated temperature, making 25 alloy quite suitable forapplications such as ball bearings and bearing races. A modest additional increase in hardness andstrength can be achieved through aging of the cold-worked 25 alloyCOLD-WORKED PROPERTIESUltimateElongationCo Yieldi nRe ductio nTemperatureStrengthStrength2 in. (51 mm) F CKsiMPaKsiMPa%70201551070105725411000540 1147857854048101200650115795805503714007 6087600674608160087062425473251318009803 9270271851570201661145124855301000540134 9251077402915120065012989011176515140076 0104715865955160087070485523609180098040 2753020557020183126014197019100054015610 7513391518201200650137945120825214007601 07740966603180098041285302054*Limited data for cold-rolled ( mm) thick sheetTYPICAL TENSILE PROPERTIES, COLD-WORKED SHEET*Hardness, Rockwell C, After Indicated Level ofCold Work and Subsequent Aging TreatmentCo ld-Wo rk900 F (480 C)1100 F (595 C)%N o n e5 Hours5 HoursNone2425255313331103739391540444320 444447*Limited data for cold-rolled ( mm) thick Yieldi nTemperatureStrengthStrength2 in. (51 mm)Condition F CK s iM P aK s iM P a%15% CW7020168116013694031+ Age A120065012888510471523702018112501521050 17100054015110401298901920% CW12006501449951288858+ Age A140076010874597670216008707451059405618 0098043295332305702019113151621115166003 1516511401329102820% CW1000540149102512485523+ Age B120065014096511982013140076011680092635 71600870714905034591800980422903121512*L imited data for cold-rolled ( mm) thick A = 700 F (370 C)/1 hourAge B = 1100 F (595 C)/2 hoursTYPICAL TENSILE PROPERTIES, COLD-WORKED AND AGED SHEET*HAYNES 25 alloyTYPICAL HARDNESS AT 70 F (20 C), COLD-WORKED AND AGED SHEET*COLD-WORKED PROPERTIES9Typical Charpy V-NotchTestImpact ResistanceTemperature F ( C) (-196)109148-216 (-138)134182-108 ( -78)156212 -20 ( -29)179243Room193262500 (260)2192971000 (540)2012731200 (650)1702301400 (760)1431941600 (870)1201631800 (980)106144THERMAL STABILITYWhen exposed for prolonged periods at intermediate temperatures, HAYNES 25 alloy exhibits a loss ofroom temperature ductility in much the same fashion as some other solid-solution-strengthened superal-loys, such as HASTELLOY X alloy or alloy 625. This behavior occurs as a consequence of theprecipitation of deleterious phases. In the case of a 25 alloy, the phase in question is Co2W laves 188 alloy is significantly better in this regard than 25 alloy; however, for applications wherethermal stability is important, 230 alloy is an even better PROPERTIES OF SHEET AFTER THERMAL EXPOSURE*UltimateEx po YieldElongationTemperatureStrengthStreng th F ( C)H o u r sK s iM P aK s iM P a% (650) (760) (870) *Composite of multiple sheet lot 25 alloyIMPACT STRENGTH PROPERTIES, PLATETemp., FBritish UnitsTemp., CMetric UnitsDen sityR o o lb/in3R o o g/cm3Melting ohm-cmThermal ConductivityRoom65BTU-in/ft2 hr- W/m-K20075BTU-in/ft2 hr- W/m-K40090BTU-in/ft2 hr- W/m-K600105BTU-in/ft2 hr- W/m-K800120BTU-in/ft2 hr- W/m-K1000135BTU-in/ft2 hr- W/m-K1200150BTU-in/ft2 hr- W/m-K1400165BTU-in/ft2 hr- W/m-K1600182BTU-in/ft2 hr- W/m-K1800200BTU-in/ft2 hr- W/m-K10HAYNES 25 alloyTYPICAL PHYSICAL PROPERTIESTemp., FBritish UnitsTemp., CMetric UnitsMean Coefficient microinches/in- m/m- CThermal microinches/in- m/m- microinches/in- m/m- microinches/in- m/m- microinches/in- m/m- microinches/in- m/m- microinches/in- m/m- microinches/in- m/m- microinches/in- m/m- microinches/in- m/m- m/m- CDynamicDynamicModulus ofModulus ofElasticity,Elasticity,Temp, F106 psiTemp., 25 alloyDYNAMIC MODULUS OF ELASTICITYTYPICAL PHYSICAL PROPERTIES (continued)Room-Temperature Wear Depth For Various Applied Loads3,000 lbs. (1,365 Kg)6,000 lbs. (2,725 Kg)9,000 lbs. (4,090 Kg)Materialmils mmils mmils m6B Corrosion Rate, mils per year (mm per year)1% HCl (Boiling)10% H2SO4 (Boiling)65% HNO3 (Boiling)ULTIMET alloy<1(< )99 ( )6( )C-22 alloy3( )12( )134( )25 alloy226 ( )131( )31( )Type 316L524( )1868 ( )9( )12HAYNES 25 alloyHAYNES 25 alloy exhibits excellent resistance to metal galling. Wear results shown below were generatedfor standard matching material room-temperature pin on disc tests. Wear depths are given as a function ofapplied load. The results indicate that 25 alloy is superior in galling resistance to many materials, and issurpassed only by ULTIMET alloy and HAYNES 6B alloy. Both of these materials were specifically de-signed to have excellent wear GALLING RESISTANCEHAYNES 25 alloy was not designed for resistance to corrosive aqueous media. Representative averagecorrosion data are given for comparison. For applications requiring corrosion resistance in aqueous envi-ronments, ULTIMET alloy and HASTELLOY corrosion-resistant alloys should be Diamond Pyramid Hardness (Rockwell C/B Hardness)70 F (20 C)800 F (425 C)1000 F (540 C)1200 F (650 C)1400 F (760 C)Solution Treated251 (RC22)171 (RB87)160 (RB83)150 (RB80)134 (RB74)15% Cold Work348 (RC35)254 (RC23)234 (RB97)218 (RB95)-20% Cold Work401 (RC41)318 (RC32)284 (RC27)268 (RC25)-25% Cold Work482 (RC48)318 (RC32)300 (RC30)286 (RC28)-The following are results from standard vacuum furnace hot hardness tests. Values are given in originallymeasured DPH (Vickers) units and conversions to Rockwell C/B scale in HARDNESS PROPERTIESAQUEOUS CORROSION RESISTANCEAverage Metal Affected in 1008 Hours**1800 F (980 C)2000 F (1095 C)2100 F (1150 C)MaterialMils mMils mMils mHAYNES 188 * Flowing air at a velocity of ( cm/min.) past the samples. Samples cycled to room temperature once-a-week.** Metal Loss + Average Internal a x im u mL o s sMetal AffectedMetal AffectedMaterialMils mMils mMils m230 188 X 310 Stainless 25 alloy exhibits good resistance to both air and combustion gas oxidizing environments, andcan be used for long-term continuous exposure at temperatures up to 1800 F (980 C). For exposures ofshort duration, 25 alloy can be used at higher temperatures. Applications for which oxidation resistanceis a serious consideration normally call for newer, more capable materials such as 230 alloy or HAYNES188 alloy. This is particularly important at temperatures above 1800 F (980 C).COMPARATIVE OXIDATION RESISTANCE IN FLOWING AIR*to products of combustion ofNo. 2 fuel oil burned at a ratio ofair to fuel of about 50:1. (Gasvelocity was about mach).Samples were automaticallyremoved from the gas streamevery 30 minutes and fan-cooled to near ambient tem-perature and then reinsertedinto the flame Test ParametersBurner rig oxidation tests wereconducted by exposingsamples 3/8 in. x in. xthickness (9 mm x 64 mm xthickness), in a rotating holder,COMPARATIVE BURNER RIG OXIDATION RESISTANCE1000 HOUR EXPOSURE AT 1800 F (980 C)OXIDATION RESISTANCEHAYNES 25 alloy25 alloyX alloy188 alloy230 alloy051015202530350100200300400500600700800900OXIDATION DAMAGE, mOXIDATION DAMAGE, MILS(>25 mils in 165 hours)HR-16025188556310617800H625X024681 01214160100200300400Average Metal Affected (Mils)Average Metal Affected ( m)>29 Mils14HAYNES 25 alloyCOMPARATIVE BURNER RIG OXIDATION RESISTANCE AT 2000 F (1095 C) FOR 500 HOURSSULFIDATION RESISTANCE AT 1400 F (760 C)OXIDATION RESISTANCE215 hours @ 1400 F (760 C)Ar-5% H2-5% CO-1% H20MaximumInternalPenetrationMetalLossin a gas mixture consisting of5 percent H2, 5 percent CO,1 percent CO2, percentH2S and percent H2O,balance Ar. Coupons wereexposed for 215 hours. This isHAYNES 25 alloy has verygood resistance to gaseoussulfidation environmentsencountered in various indus-trial applications. Tests wereconducted at 1400 F (760 C)a severe test, with equilibriumsulfur partial pressure of 10-6 to10-7 and oxygen partial pres-sures less than that needed toproduce protective chromiumoxide scales. 151. Metal Loss = (A - B)/22. Average Internal Penetration = C3. Maximum Internal Penetration = D4. Average Metal Affected = (A - B)/2) + C5. Maximum Metal Affected = ((A = B)/2) + DHAYNES 25 alloy is normalyfinal solution heat-treated at2150 to 2250 F (1175 to1230 C) for a time com-mensurated with sectionthickness. Annealing duringfabrication can be performed ateven lower temperatures, but afinal, subsequent solution heattreatment is needed to produceoptimum properties andstructure. Please call HaynesInternational for further TREATMENTFABRICATION CHARACTERISTICSSCHEMATIC REPRESENTATION OF METALLOGRAPHIC TECHNIQUEUSED FOR EVALUATING ENVIRONMENTAL TESTSHAYNES 25 alloyEFFECT OF COLD REDUCTION UPON ROOM-TEMPERATURE PROPERTIES*Ultimate% YieldElongationColdSubsequentStrengthStr engthin 2 in. (51 mm)ReductionAnnealKsiMPaKsiMPa% (1065 C) 5 (1120 C) 5 (1175 C) 5 *Based upon cold reductions taken upon ( mm) thick sheet. Duplicate O F COLD REDUCTION AND ANNEALING UPON GRAIN SIZEEFFECT OF SMALL COLD REDUCTIONS O N GRAIN GROWTH*HAYNES 25 alloyFABRICATION CHARACTERISTICS%A S T MCo ldSubsequent%Grain SizeRe ductio nAnnealRecrystallizatio nRa nge0NoneN/A3 1/2 - 4*10<10-151950 F95720(1065 C)957- 825for 5 1/2 - 810<10-152050 F956- 720(1120 C)1007- 825for 5 1/2 - 8101004- 4 1/2*152150 F1005- 720(1175 C)1004 1/2 - 7*25for 5 *Some larger grains near S T MStrainSubsequentGrain SizeI n d u c e d * *AnnealRa ngeCo mme nts12- 4 1/2Larger at Surface22050 F3 1/2 - 4Larger at Surface3(1120 C)3 1/2 - 44for 5 1/2 - 584- 5 1/2Recrystallized at Surface12- 4 1/2Larger at Surface22150 F3 1/2 - 4Larger at Surface3(1175 C)3 1/2 - 5 1/2Larger at Surface4for 5 1/2 - 584 1/2 - 6Fully Recrystallized11- 1 1/2Larger at Surface22250 F1 1/2 - 2 1/2Larger at Surface3(1230 C)2- 44for 5 2 1/283- 3 1/2Fully Recrystallized * Initial grain size ASTM 3 1/2 - 4 with a few larger at surface.** Samples prestrained in a tensile testing 25 alloy is readilywelded by Gas Tungsten Arc(GTAW), Gas Metal Arc(GMAW), Shielded Metal Arc(coated electrodes), electronbeam welding and resistancewelding techniques. Itswelding characteristics aresimilar to those for HAYNES188 alloy. Submerged Arcwelding is not recommendedas this process is character-ized by high heat input to thebase metal and slow cooling ofthe weld. These factors canincrease weld restraint andpromote Metal PreparationThe joint surface and adjacentarea should be thoroughlycleaned before welding. Allgrease, oil, crayon marks,sulfur compounds and otherforeign matter should be re-moved. Contact with copper orcopper-bearing materials in thejoint area should be avoided. Itis preferable, but not necessary,that the alloy be in the solution-annealed condition Metal SelectionMatching composition filler metalis recommended for joining 25alloy. For shielded metal arcwelding, HAYNES 25 alloyelectrodes (AMS 5797) areavailable. For dissimilar metaljoining of 25 alloy to nickel-,cobalt- or iron-base materials, 25alloy itself, 230-W filler wire,556 alloy, HASTELLOY S alloy(AMS 5838) or HASTELLOY Walloy (AMS 5786, 5787)welding products are sug-gested, depending upon theparticular , InterpassTemperatures and Post-Weld Heat TreatmentPreheat is not usually requiredso long as base metal to bewelded is above 32 F (0 C).Interpass temperaturesgenerally should be cooling methods maybe used between weld passes,as needed, providing that suchmethods do not introducecontaminants. Post-weld heattreatment is not normallyrequired for 25 alloy. Forfurther information, pleasecontact Haynes & SAFETY INFORMATIONWelding can be a safeoccupation. Those in thewelding industry, however,should be aware of thepotential hazards associ-ated with welding fumes,gases, radiation, electricshock, heat, eye injuries,burns, etc. Also, local,municipal, state, and federalregulations (such as thoseissued by OSHA) relative towelding and cutting pro-cesses should be , cobalt-, and iron-base alloy products maycontain, in varying concen-trations, the following el-emental constituents: alumi-num, cobalt, chromium,copper, iron, manganese,molybdenum, nickel andtungsten. For specificconcentrations of these andother elements present, referto the Material Safety DataSheets (MSDS) H3095 andH1072 for the of metal dust orfumes generated fromwelding, cutting, grinding,melting, or dross handling ofthese alloys may causeadverse health effects suchas reduced lung function,nasal and mucous mem-brane irritation. Exposure todust or fumes which may begenerated in working withthese alloys may also causeeye irritation, skin rash andeffects on other operation and mainte-nance of welding andcutting equipment shouldconform to the provisions ofAmerican National StandardANSI/AWS , (Safely inWelding and Cutting).Attention is especiallycalled to Section 7 (Protec-tion of Personnel) and 8(Health Protection andVentilation) of Mechanical ventila-tion is advisable and, undercertain conditions such as avery confined space, isnecessary during weldingor cutting operations, orboth, to prevent possibleexposure to hazardousfumes, gases, or dust thatmay 25 alloyWELDINGOperationHigh Speed Steel ToolsCarbide ToolsRoughing, withM-40 series,1 M-2, M-33, T-4, T-8 andC-1 or C-2 grade square insert,sever SCEA, -5 Back Rake, -5 ruptions;45 SCEA2,-10 Back Rake, + 10 SideSide Rake, 1/16" nose radius,Turning orRake, 1/16" nose radius1/4" depth of cut " depth of cut max., " feed40 sfm, .012 feed , 15 sfm cutting speedDry, oil, or water baseWater base coolant3coolant6Normal roughing;Same tool gradesSame tool gradesTurning or45 SCEA, 0 Back Rake, + 10 SideSame tool geometryFacingRake, 1/16" nose radius1/4" depth of cut max., .0151/4" depth of cut max., .015 feedfeed max., 40-60 on rigidity of20 sfm cutting base coolantDry, 4,5 oil or water basecoolant6Finishing;M-40 series, M-33, M-3, T-8 and T-15C-2 or C-3 grade square insert,Turning or15-45 SCEA, + 10 Back Rake, +if popssibleFacing15 Side Rake, 1/32-1/16" nose15-45 SCEA, + 5 Side Rake,7 +radius,5 Back Rake, 1/32-1/16". " depth of cut, .005-007"nose radiusfeed,. " depth of cut, .005-25-30 " feed, 60-90 sfmWater base coolantDry or water base coolant6Rough BoringM-40 series, M-2, T-1 and T-4C-1 or C-2 gradeSame tool geometry as NormalIf insert type boring bar, useRoughstandard negative rakeTurning with extra clearance astools with largest possibleneeded, 1/8" depth of cut max.,SCEA and 1/16" nose feed max., 15-20 sfmif brazed tool bar, grind 0 Water base coolantBack Rake, -5 Side Rake,1/16" nose radius and largestpossible SCEA, 1/8" depth ofcut max., .012 feed max.,30-50 sfm depending onrigidity of setupDry, oil or water base coolant6Finish BoringSame tool grades, geometry andC-2 or C-3 gradecutting conditions as Finish TurningUse standard positive rakeand Facing except Back Raketools7 on insert type bars may be best at 0 grind brazed tools as forWater base coolantfinish turning and facingexcept back rake may bebest at 0 .50-90 sfmWater base coolantFace MillingM-2, M-7, or M-40 seriesCarbide not generallyRadial and Axial Rake 0 to + 10 ,successful45 Corner angle, 10 Relief angle,C-1 or C-2 grade may workFeed . "/tooth, 15-20 sfmUse negative axial and radialOil or water base coolantrake, 45 corner angle, 10 relief angle, . "/toothfeed, 30-60 sfmDry, oil base coolant or waterbase mist will reducethermal shock damage ofcarbide cutter teethHAYNES 25 alloy18MACHINING19OperationHigh Speed Steel ToolsCarbide ToolsEnd MillingM-40 series or T-15Not recommended, but C-2If possible, use short mills with 4 orgrades may be successfulmore flutes for rigidity. For 1/2" good setups. Feed samemills, feed .002"/tooth, for 1" andas high speed steellarger, feed .005"/tooth, 15-20 sfm30-60 sfmOil or water base coolantDry; oil, or water base mist willreduce thermal , M-40 series or T-15C-2 grade not recommended,Feed .001"/Rev 1/16" solid or tipped drills "/ Rev 1/4" diabe successful on "/Rev 1/2" diasetups. The web must "/Rev 1" diathinned to reduce short drills, heavy webs, 135 Use 135 included angle oncrankshaft grind points sfmSpeed 10-15 sfmCoolant-feed carbide tippedOil or water coolantdrills may be economical inUse coolant feed drills if possiblesome or water base coolantReamingM-33, M-40 series or T-15C-2 or C-3 gradeUse 45 corner angle, narrow primaryTipped reamers recom-land and 10 relief angle,mended1/2" dia. feed .003"/tooth,Solid carbide reamers require2" dia. feed .004"/tooth,very good setup. Tool geom-Oil or water base coolantetry and feed same as High10-20 sfmSpeed Steel 30-50 sfmTappingM-1, M-7, M-10Not recommended2 Flute, spiral point, plug tap 0 to 10 hook angle nitrided surface maybe helpful by increasing wearresistance but may cause chippingor breakage5 sfm cutting speed, Tap drill for 60-65%thread, if possible, to increase tool lifeUse best possible tapping compound,sulfochlorinated oil base :1. M-40 series High Speed Steels include M-41, M-42, M-43, M-44, M-45 and M-46 at the time of writing. Others may beadded and should be equally SCEA-Side cutting edge angle or lead angle of the Water base coolant should be premium quality, sulfochlorinated water soluble oil or chemical emulsion with extremepressure additives. Dilute with water to make 15:1 At any point where dry cutting is recommended, an air jet directed on the tool may provide substantial tool life increases. A water base coolant mist may also be Oil coolant should be a premium quality, sulfochlorinated oil with extreme pressure additives. Viscosity at 100 F from 50to 125 Water base coolant may cause chipping and rapid failure of carbide tools in interrupted Negative rake tools should be used in interrupted (continued)MACHINING (continued)HAYNES 25 Referral to Authorized Distributors in your area Fax: 1-765-456-6079Printed in , B-3 , C-4, C-22 , C-276, C-2000 , D-205 , G-3, G-30 , G-50 and NCorrosion-Wear Resistant AlloyULTIMET 25, R-41, 75, HR-120 , 150, HR-160 , 188, 214 , 230 , 230-W , 242 , 263, 556 , 625, 718, X-750,MULTIMET and WASPALOYWear-Resistant Family of Heat-Resistant AlloysHASTELLOY Family of Corrosion-Resistant AlloysS, W, and XHAYNES Family of Heat-Resistant Alloys6BHAYNES Titanium Alloy TubularFor More Information Contact:Kokomo, Indiana 46904-90131020 W. Park Box 9013Tel: 765-456-6012 800-354-0806FAX: 765-456-6905Anaheim, California 92806Stadium Plaza1520 South Sinclair StreetTel: 714-978-1775 800-531-0285FAX: 714-978-1743Arcadia, Louisiana 71001-97013786 Second StreetTel: 318-263-9571 800-648-8823FAX: 318-263-8088ItalyHaynes International, Brianza, 820127 MilanoTel: 39-2-2614-1331FAX: 39-2-282-8273SwitzerlandNickel Contor AGHohlstrasse 534CH-8048 ZurichTel: 41-1-434-7080FAX: 41-1-431-8787EnglandHaynes International, Box 10Parkhouse StreetOpenshawManchester, M11 2ERTel: 44-161-230-7777FAX: 44-161-223-2412FranceHaynes International, Postale 953595061 CERGY PONTOISECedexTel: 33-1-34-48-3100FAX: 33-1-30-37-8022Windsor, Connecticut 06095430 Hayden Station RoadTel: 860-688-7771 800-426-1963FAX: 860-688-5550Houston, Texas 77041The Northwood Industrial Park12241 FM 529Tel: 713-937-7597 800-231-4548FAX: 713-937-4596091099Properties Data:The data and information in this publication are basedon work conducted principally by Haynes International, occasionally supplemented by information from the openliterature, and are believed to be reliable. However, we donot make any warranty or assume any legal liability orresponsibility for its accuracy, completeness or usefulness,nor do we represent that its use would not infringe uponprivate rights. Any suggestions as to uses and applicationsfor specific alloys are opinions only and Haynes Interna-tional, Inc. makes no warranty of results to be obtained inany particular situation. For specific concentrations ofelements present in a particular product and a discussion ofthe potential health effects thereof, refer to the MaterialSafety Data Sheet supplied by Haynes International, , Billet, Plate, Sheet, Strip, Coils, Seamless or Welded Pipe & Tubing, Pipe Fittings, Flanges,Fittings, Welding Wire and Coated ElectrodesStandard Forms:STANDARD PRODUCTS By Brand or Alloy Designation:

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