Material No.: 1.4565

DescriptionChemical
composition
Physical
mechanical
properties
Temparature
information
StandardsProcess
information
Application
Certification
ProductsAll

Description

EN symbol (short)X2CrNiMnMoN25-18-6-5
AlloyAlloy 24
UNSS 34565
AFNORX2CrNiMnMoN25-18-6-5 / NF EN 10088-1(05/2005) (FR)
BSX2CrNiMnMoN25-18-6-5 / B.S EN 10088-1(05/2005) (GB)
Registered work's labelNIROSTA®(R) 4565 S
alloy 24
Density kg/dm38,0
Hardness HB 30140-200
Compositionchromium nickel molybdenium steels
CategoryStainless steels
steel, resistant to rust and acids
Structureaustenitic
Corrosionresistant to intercrystalline corrosion
satisfactionary against pitting corrosion
Additional characteristicshigh resistance in substances containing sour gas or high chloride concentrations

Chemical Composition

 CMnPSCrMoSiNiNNbCb+Ti
1.4565Min % 5,0  24,04,0 16,00,40  
Max %0,037,00,0300,01526,05,01,019,00,600,150 
(Key to steel 2010) SEW 400 deviations for MnCr;Mo
Alloy 24 Min %           
Max %           
S 34565Min % 5,00  23,04,0 16,00,40  
Max %0,037,000,0300,01025,05,01,0018,00,60 0,10
ASTM A312 (UNS S34565)

Physical properties

PropertyValue
Density: kg/dm38,0
Hardness: HB 30140-200
polishableyes
magnetizablenon
Temperature T
°C/F
(°C/F)
Specific heat
J / kgK
(Btu / lb °F)
Thermal conductivity
W/mK
(Btu·in / ft2·h·°F)
Electric resistance
µΩ · cm
(Ω circ mill / ft)
Modulus of elasticity
kN/mm2
(103 ksi)
Expansion rate from 70°F bis T
10-6 / K
(10-6 / °F)
20 / 68460 (--)12 (--) 198 (--) 
100 / 212   186 (--)14,5 (--)
200 / 392   177 (--)15,5 (--)
300 / 572   170 (--)16,3 (--)
400 / 752   165 (--)16,8 (--)
500 / 932   158 (--)17,2 (--)
temperature0,2% Yieldstrength
in high temperatures
1,0% Yieldstrength
in high temperatures
°C / °FRp0,2Rp1,0
N/mm2/ksiN/mm2/ksi
100 / 212>=350 />=50,7>=400 / >=58
200 / 392>=270 / >=39,1>=310/ >=44,9
300 / 572>=240 />= 34,8>=270 />=39,1
400 / 752>=210 / >=30,4>=240/ >=34,8
500 / 932>=200 / >=29,0>=240 />= 34,8
ksi value calculated

Mechanical properties (20°C / 68°F)

0,2%Yield strength Rp0,2(N/mm2)/ksi>=420 />=60,9<=160 mm
1%Yield strength Rp 1,0(N/mm2)/ki
Yield strength ksi / (Mpa)
>= 460/>=66,7
60/ (415)
<=160 mm
ASTM A312 (S 34565)
Tensile strength Rm (N/mm2)


Tensile strength ksi / (Mpa)
(800-950)/116-137,7

115/ (795)
<= 160mm


ASTM A312 (S 34565)
Elongation %>=35<= 160mm
impact work ISO-V (J)>=100<= 160mm
E-modul (Mpa)192000

Temparature information

Application area
Operation temperature ºF  to 842 ºF operating temperature limit
Solution heat treatment
Working temperature2048 ºF  to 2138 ºF 
Explanation reportcooldown: air/water
Solution heat treatment
Working temperature1742 ºF  to 2192 ºF 
Explanation reportcool down: air

Standards / information

StandardsDesciption
DIN EN 10088-1 (09/2005)Stainless steels Part 1: List of stainless steels
DIN EN 10088-3 (09/2005)stainless steels.Technical delivery conditions for semi-finished products,bars,rods,wire selection and bright products of corrosion resisting steels for general and construction purposes
SEW 400 (1997-02)Rolled and forged stainless steels

Process information

Cold formingcold form material in annealed state
Chip removing processtendency to cold work hardening
-low cutting rate
-moderate feed speed
-constant tool application
Welding
 - Material classification acc. CEN ISO/TR 156088.2
 - Typegas fusion welding
well weldable
manual arc
protective gas
 - Add. material1.4466
 - Hintspre-heat 302°F

Main fields of application

Details of applicationmostly used in sea water plants, crude oil transportation and environmental technologies
Certifications
Environmental technology
Flue gas desulphurisation plants
sea and lake water plantsSea water desalination plant
Chemical Industrychemischer Anlagenbau
Tunnelbau
building industry
offshore plantsSea water desalination plant

Range of products

Product typeProduct
Plates / Sheetsplates/sheets
plate/sheet cuts
Fittingswelded elbows
welded reductions
Welded T-pieces
seamless elbows
seamless reductions
seamless T-pieces
Pipes / Tubeswelded pipes/tubes
seamless pipes/tubes
Bar steelflat steel
round bar steel

Liability exclusion

All aforementioned specifications serve as a general orientation and have to be reviewed depending on the conditions of use.
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