304 Stainless Steel Allowable Stress

304 Stainless Steel Allowable Stress
Ak nit30pdb 1104 2
Table of ContentsPageApplications Temperature Tensile Rupture the best of our knowledge and belief, but are intended forgeneral information only.Applications suggested for the materialsare described only to help readers make their own evaluations andof Wall Colmonoy, Cr12 is a trademark of Columbus Steel.AK STEEL NITRONIC 30 STAINLESS STEELAK Steel NITRONIC 30 is a nitrogen-strengthened stain-level of aqueous corrosion resistance combined withgood toughness and economy.AK Steel NITRONIC 30strength than Type 304L and, therefore, may allow lighterductility.Unlike other nitrogen-strengthened stainlessto magnetic transformation when cold worked.Available Forms to (0.5 to 6.4 mm) and up to and including 48Carbon0.03 max.Manganese7.0 - 9.0Phosphorus0.040 max.Sulfur0.030 max.Silicon1.00 max.Chromium15.0 - 17.0Nickel1.5 - 3.0Nitrogen0.15 - 0.30Copper1.00 max.Plate, Sheet and Stripfor Pressure Vessels.Austenitic Stainless Steel Sheet, Strip,Plate and Flat Bar.ballot for inclusion of AK Steel NITRONIC 30: Welded Austenitic Steel Boiler, Superheater,Heat Exchanger and Condenser Tubes.Seamless and Welded Austenitic SS Pipes.Electric, Fusion-Welded Austenitic ChromiumNickel Alloy Steel Pipes for High-Temperature Service.Welded Large Diameter Austenitic Steel Pipefor Corrosive or High-Temperature Service.

Welded SS Mechanical Tubing.Single- or Double-welded Austenitic StainlessSteel Pipe.Cold-Worked Welded Asutenitic StainlessSteel Pipe.in U.S.customary units.The metric equivalents of U.S.customary units shown may be approximate.Conver-System of Units (SI), has been accomplished in accor-this can be a large number, the prefix mega is used todesignated a pascal (Pa).

The relationship betweenthe U.S.and the SI units for stress is: 1000 pounds/in (ksi) = 6.8948 meganewtons/m) = 6.8948 megapascals (MPa).As noted in Table 2, NITRONIC 30 Stainless Steel hasof typical austenitic alloys such as Type 304L.The high work-hardening rate of NITRONIC 30 StainlessSteel results in a high-strength material with elongationequal or superior to Type 304L with the same coldreduction.Comparative properties are shown in Table 4and provided graphically in Figure 1.Table 5 presentsPRODUCT DESCRIPTION4Table 1Properties Acceptable for Material SpecificationASTMUTS0.2% (MPa)ksi (MPa)% in 2" (50.8 mm)RockwellBendAnnealedA 24095(655) min.48(331) min.35 min.B100 max.1801/4 HardA 666140(965) min.100(689) min.20 min..1874",Table 2Typical Room-Temperature Sheet and Strip % YS% in 2"HardnessC)Directionksi (MPa)ksi (MPa)(50.8 mm)Rockwell B0.124 (3.15)1950 (1066)Longitudinal117.7 (811)54.0 (372)52.093.50.064 (1.62)2050 (1121)Longitudinal100.0 (689)53.8 (370)58.593.0Transverse103.1 (711)53.5 (368)58.093.00.032 (0.81)1950 (1066)Longitudinal121.9 (840)55.0 (379)54.094.0Longitudinal119.7 (825)54.4 (375)55.094.0*Average of duplicate tests.Table 3Typical Annealed Plate Properties*ThicknessUTS0.2% YS% in 2"HardnessCVNinches (mm)ksi (MPa)ksi (MPa)(50.8 mm)Rockwell Bft-lbs ( ( of Cold Reduction on Tensile PropertiesTable 4Effect of Cold Work on Tensile PropertiesUTS0.2% YSElongationHardness% Cold Workksi (MPa)ksi (MPa)% in 2" (50.8 304 of five thickness ranges 20017575%EL
2%YS (ksi)
UTS ( 30%EL-304%EL-NITRONIC 306Table 5Typical Tensile Properties 1/4-Hard AK Steel NITRONIC 30 PlateThicknessUTS0.2% YS% in 2"HardnessBendinches (mm)Directionksi (MPa)ksi (MPa)(50.8 mm)Rockwell ** 5 Tests Effect of Cold Work on Martensite FormationUnlike the other NITRONIC alloys, AK Steel NITRONIC 30site increases the strength, work-hardening rate andabrasion resistance of the alloy.% Cold WorkFerrite Number*122164219*As determined from a Ferritescope by Fisher Technology.

The FerritescopeElevated Temperature Tensile PropertiesTable 6Elevated Temperature TensileProperties of AK Steel NITRONIC 30 Sheet*Test TemperatureUTS0.2% YSElongationHardnessC)ksi (MPa)ksi (MPa)% in 2" (50.8 mm)Rockwell (259)

44.8500(260) ) ) ) ) ) " (2.2 mm) and 0.074" (1.9 mm) thicknesses, average of 6 tests from 2 heats.Table 7Elevated Temperature TensileProperties of AK Steel NITRONIC 30 Plate*Test TemperatureUTS0.2% YSElongationHardnessC)ksi (MPa)ksi (MPa)% in 2" (50.8 mm)Rockwell ) ) ) ) ) ) ) " (22.2 mm) and 3/16" (4.8 mm) thicknesses, average of 4 tests from 2 heats.8Cryogenic Impact PropertiesTypical Engineering Stress-Strain CurvesTypical engineering stress-strain curves for AK SteelNITRONIC 30 and Type 304 stainless steel (tested inin ASME Code, Section VIII, Division I, Table 1A.Table 8.Stress, ksi ( to Failure (Hours)Table 8Maximum Allowable Stress Values in TensionFor Exceeding:Stress ValuesC)ksi (Mpa)-20 to 100 (-29 to Rupture StrengthFigure 3NITRONIC 30 Stress Rupture At 1200F (648C)Fatigue Strengthrelative to other austenitic stainless steels like Type 304.Figures 4 through 7 show the excel-AK Steel NITRONIC 30 Uniaxial Fatigue.072" Sheet
Cold Rolled + AnnealedR = 0.5

Transverse DirectionAK Steel NITRONIC 30 Reverse Bend Fatigue.072" Sheet

Cold

Rolled + AnnealedR = -1

Transverse Steel NITRONIC 30 Uniaxial Fatigue3/16" Plate Hot Rolled + AnnealedR = 0.1, 16 to 20 Hz, Transverse DirectionAK Steel NITRONIC 30 Notched Uniaxial Fatigue3/16" Plate Hot Rolled + AnnealedR = 0.1, 16 Hz, Kt = 3, Transverse Resistancewear resistance of AK Steelmany different sliding conditions.Thecost effective than Types 409 Ni andTable 9Metal-to-Metal Wear*HardnessWear, mg/1000 cycles**AlloyRockwell25 RPM105 RPM415 RPM4340C520.80.70.5Stellite 6C481.11.01.3Hadfield MnB951.71.20.4AK Steel NITRONIC 30B931.93.32.2AK Steel NITRONIC 32B952.47.43.1F S.R.)C47 3.89.4Type 304B8513.912.87.6AK Steel 17-4 PH (H900)C4345.352.812.1Type 410 (H+600F S.R.)244.022.5F S.R.)C3266.0258.0Type 410 (Annealed)B95261.0116.0*Self-mated crossed cylinders, 16 lbs (71 N), 10,000 or 40,000 cycles, unlubricated, in air, room temperature,**Relative wear rate for comparison of alloys and not for design purposes
304 stainless steel allowable stress
P R O D U C T D A T A B U L L E T I N Nitronic30
NITRONIC 30 and Type 304 stainless steel (tested in tension in the longitudinal direction) are shown in ... Maximum Allowable Stress Values in Tension For Metal Maximum (aksteel.com)
304 304l - Ak Steel
AK STEEL 304/304L STAINLESS STEEL Table of Contents ... Stress Relief Annealing: Cold worked parts should be stress relieved at 750°F (399°C) for 1/2 to 2 hours. (aksteel.com)
Stainless Steel Pipe Allowable Working Pressures
STAINLESS STEEL PIPE ALLOWABLE WORKING PRESSURES FOR PLAIN END FINISHES, APPLICABLE TO 304/L AND 316/L ... Stress valves are as published in … (phoenixforge.com)
.H-hardened S.R.stress relievedTab
304 304l data bulletin
2the best of our knowledge and belief, but are intended for generalinformation only.

Applications suggested for the materials aredescribed only to help readers make their own evaluations andAK Steel and the AK Steel logo are registered trademarks of AK SteelCorporation.AK STEEL 304/304L STAINLESS STEELTable of ContentsPageApplications severely corrosive environments, Type 304L is pre-specifying Type 302.Type 304 Stainless Steel is a variation of the basic 18-8grade, Type 302, with a higher chromium and lowerity to intergranular corrosion.In many instances, Typeas-welded condition, whileType 302 must be annealed in order to retain adequateType 304L is an extra low-carbon variation of Type 304with a 0.03% maximum carbon content that eliminatescarbide precipitation due to welding.As a result, thiscations specifying stress relief.Type 304L has slightlylower mechanical properties than Type 304.Type 304Type 304LCarbon0.08 max.0.03 max.Manganese2.00 max.2.00 max.Phosphorus0.045 max.0.045 max.Sulfur0.030 max.0.030 max.Silicon0.75 max.0.75 max.0.10 max.IronBalanceBalanceAvailable FormsAK Steel produces Types 304 and 304L Stainless Steelsin thicknesses from 0.01" to 0.25" (0.25 to 6.35 mm)max.and widths up to 48" (1219 mm).

For other thick-Values shown in this bulletin were established in U.S.customary units.The metric equivalents of U.S.custom-metric system, known as the International System ofUnits (SI), has been accomplished in accordance withmetric standard unit of force as discussed in the AISIMetric Practice Guide.The term for force per unit of area(stress) is the newton per square metre (N/m).Sincethis can be a large number, the prefix mega is used to indicate 1,000,000 units and the term) is used.The unit (N/m) has been designated a pascal (Pa).The relationship between the U.S.and the SI units for stress is: 1000 pounds/in) = 6.8948 megapascals (MPa).Table 1Typical Room Temperature PropertiesUTS0.2% YS% in 2"Hardnessksi (MPa)ksi (MPa)(50.8 mm)RockwellType 304L85(586)35(241)55B80Type 30490(621)42(290)55B82Table 2Elevated Temperature PropertiesTemperatureUTS0.2% YS% in 2"C)ksi (MPa)ksi (MPa)(50.8 3Sub-Zero % YS% in 2"C)ksi (MPa)ksi (MPa)(50.8 % ElongationStress, ksi (MPa)Percent in 2 in.

(50.8 mm)Table 4Fatigue StrengthFatigue Strength, ksi (MPa)Conditionat 10Annealed - 150 BHN35(241)Cold Drawn - 277 BHN70(70)7WeldabilityThe austenitic class of stainless steels is generally con-sidered to be weldable by the common fusion and re-sistance techniques.Special consideration is required by assuring formation offerrite in the weld deposit.Types 304 and 304L are gen-erally considered to be the most common alloys of thisstainless class.

When a weld filler is needed, AWSE/ER 308, 308L or 347 are most often specified.Types304 and 304L Stainless Steels are well known in refer-1.ANSI/AWS A5.9, A5.22 and A5.4 (filler metals,Welding of Stainless Steels and Other Joining SSINA, (800:982-0355).Welding Stainless Steels,4.ANSI/AWS B2.1.009-90 (GTAW 3005.ANSI/AWS B2.1-8-024-94 (GTAW 3006.ANSI/AWS B2.1.013-91 (SMAW 3007.ANSI/AWS B2.1-8-023-94 (SMAW 3008.ANSI/AWS B2.1.005-90 (GMAW 300High Frequency Pipe and Tube Welding,by R.K.Nichols, Thermatool Corp.(203:468-4100).Types 304 and 304L Stainless Steels are covered by theType 304Type 304LAMS 5513AMS 5511ASTM A 240ASTM A 240ASTM A 666ASTM A 666MIL-S-40431P
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NSTAINLESS STEEL Minimizes Chromium Carbide Precipitation Excellent Corrosion Resistance and Strength Readily Welded Readily Formed and DrawnEconomical Oxidation ResistanceApplications Potentialmake Types 304 and 304L Stainless Steels useful for applications whereequipment, welded components of chemical, textile, paper, pharmaceuticalFor severely corrosive environments, Type 304L is preferred because of itsapplications specifying Type 302.UNS S30400/UNS S30403304Density,0.29 lbs/inElectrical Resistivity microhm-in ( Conductivity, BTU/hr/ft9.4(16.2)12.4(21.4)32 -600F(0 - 31532-1000F(0 - 53832-1200F(0 - 649Modulus of Elasticity, ksi (MPa)28.0x103(193x10)in tension11.2x103(78x10)in torsionMagnetic Permeability, H = 200 OerstedsMelting Range, Types 304 and 304L exhibit excellent resistance to aindustries, and to atmospheric exposures.

The low car-bon content of Type 304, and especially 304L, by reduc-ing or eliminating carbide precipitation due to welding,makes these types of stainless suitable for a much widerrange of corrosive service than Type 302.The maximum temperature to which Type 304 can beHeat TreatmentsType 304 is non-hardenable by heat treatment.cool rapidly.

Thin strip sections may be air cooled, butStress Relief Annealing: Cold worked parts should beCold Workingworking.In the annealed condition, Types 304 and 304Lare very ductile and can be cold worked easily by rollforming, deep drawing, bending, and other common fab-idly, in-process annealing may be necessary to restoreTypes 304 and 304L have very good drawability.Theirever, these grades work harden rapidly.

To relievestresses produced in severe forming or spinning, partsshould be full annealed or stress-relief annealed as soonas possible after forming.8AK STEEL 304/304L STAINLESS STEELCustomer WorksP.O.

Box 1609Butler, PA 16003-1609Customer Works17400 State Route 16Customer , GA-Southeast , , , IL-West Central , OH- Mideast , MI-North Central Region....248-641-7595Grand Rapids, , TN-Southwest Region....615-771-3134New , , , AND STAINLESS STEEL FIELD SALES OFFICESwww.aksteel.com1P
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NSTAINLESS STEEL Minimizes Chromium Carbide Precipitation Excellent Corrosion Resistance and Strength Readily Welded Readily Formed and DrawnEconomical Oxidation ResistanceApplications Potentialmake Types 304 and 304L Stainless Steels useful for applications whereeq
Mounting Bracket for Ground Bars: 304 Stainless Steel Mounting Bracket for use with Ground Bars. Suitable for in
Borla 140158 Cat-Back System Exhaust - Borla's T-304 stainless steel high performance exhaust system is built to la
Bully NB-410 Stainless Steel Side Step: The Bully Side Step is constructed of mirror polished T-304 3 inch stain
Chimney 13886 HomeSaver Guardian 9 in. California Mesh 304-Alloy Stainless Steel Chimney Cap: Chimney has been f
19TW x 0.5" Disposable Dispensing Needles: The 19TW x 0.5" disposable 304 stainless steel Luer Lock dispensing n
Stainless Steel Hand Drive Common Deck Nails: Premium grade 304 stainless steel provides maximum corrosion resis
Bully NB-110 Stainless Steel Side Step: The Bully Side Step is constructed of mirror polished T-304 3 inch stain
Smith Blair Stainless Steel 304 Repair Clamp Full Circle Carbon Steel Bolt 3 Bolts 7 1 2 Length 10 Pipe Size 1 CC
Stainless Steel - Square Tubing - Alloy - 304 - 2 1/2" x 11ga. x 2': Grade 304 is the standard "18/8" stainless;
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