Material No.: 1.4465

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

Description

EN symbol (short)X 1 CrNiMoN 25-25-2
UNSS 31050
Grade F310MoLN
Registered work's labelCronifer 2525 LCN
Density kg/dm37,9
Hardness (HB 30)140-200
Composition
CategoryStainless steels
steel, resistant to rust and acids
Structureaustenitic
Corrosionresistant to intercrystalline corrosion
high corrosion resistance ??? fehlt
Descriptionhigh durability in sulfuric substances and in reducing conditions and is resistant to intercrystalline corrosion even in welded state.

Chemical Composition

 CSiMnPCrMoNSNi
1.4465Min %    242,00,08 22,00
Max %0,020,702,000,025252,50,160,01525,00
(Key to steel 2010)
S 31050Min %    24,01,60,09 20,5
Max %0,0250,42,00,2026,02,60,150,01523,5
ASTM A213

Physical properties

PropertyValue
Density: kg/dm37,9
Hardness: (HB 30)140-200
polishablegood
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 / 68450 (--)12 (--)0,9 (--)195 (--) 
100 / 212    15,8 (--)
200 / 392    16,4 (--)
300 / 572    16,7 (--)
400 / 752    17,1 (--)
Temperatures0,2% Yield strength in high temperatures1,0% Yield strength in high temperaturesTensile strenght strength in high temperatures
°C / °FRp 0,2Rp 1,0Rm
N/mm2 /ksiN/mm2 /ksiN/mm2 /ksi
50 / 122225 / 32,63260 / 37,70520 / 75,40
100 / 212195 / 28,28225 / 36,63 
200 / 392155 / 22,48185 / 26,83 
300 / 572135 / 19,60160 / 23,20 
400/ 752125 / 18,13150 / 21,75 
500 / 932115 / 16,70140 / 20,30 

Mechanical properties (20°C / 68°F)

1%Yield strength Rp 1,0 (N/mm2)295
0,2% Yield strengthRp 0,2 N/mm2260
Tensile strenght Rm (N/mm2)540 bis 740 Mpa
Elongation % A5 in % (min)35
impact work ISO-V (J)85 J

Temparature information

Application area
Operation temperature ºF  to 662 ºF 
Solution heat treatment
Working temperature1922 ºF  to 2102 ºF 
Processing informationscool down: water;air
Solution heat treatment
Working temperature1742 ºF  to 2192 ºF 
Processing informationscool down:air

Standards / information

StandardsDesciption
ASTM A 182Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges,Forged Fittings and Valves and Parts for High-Temperature Service
ASTM A 213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater,and Heat-Exchanger Tubes
ASTM A 240sheet metal and ribbons from stainless Cr and Ni pressure containers
ASTM A 249 Standard Specification for Welded austenitic steel boiler, Superheaters, heat-exchangers,and condenser Tubes
ASTM A 312 Standard Specification for Seamless and welded austenitic stainless steel pipes
SEW 400 (1997-02)Rolled and forged stainless steels
VdTÜV / Werkstoffblatt 486

Process information

Welding
 - Material classification acc. CEN ISO/TR 156088.2
 - TypeWIG
MiG
gas fusion welding
resistance welding
manual arc
 - Add. material1.4465 ;2.4653
 - Hintspre-heat 302°F

Main fields of application

Details of application
Certifications
crude oilvarious plant parts
Chemical Industryproduction of viscose
cellulose/paper industry

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
Flanges / Collars / Flared tube endsflared tube end
collars
various flanges (weld neck flange,blind flange etc.)
weld neck flange/blind flange
Pipes / Tubeswelded pipes/tubes
Hollow bar
seamless pipes/tubes
Round barpeeled
rolled
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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