Material No.: Alloy 31

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

Description

EN symbol (short)X1NiCrMoCu32-28-7
Material No.1.4562
UNSN 08031
Registered work's labelNocrofer® 3127 hMo
Density kg/dm38,0
Hardness HB<220
CompositionNickel Chrome Iron alloy
CategoryCorrosion resisting steels and alloys
Structureaustenitic
Corrosionresistant to intercrystalline corrosion
high corrosion resistance

Chemical Composition

 CSiMnPSCrCuMoNNiFe
Alloy 31Min %     26,01,06,00,1530,0balance
Max %0,0150,32,00,200,01028,01,47,00,2532,0balance
ASTM B626 (S08031) (alloy 31)
1.4562Min %     26,001,006,000,1530,00 
Max %0,0150,302,000,020,1028,001,407,000,2532,00 
(Key to steel 2010)
N 08031Min %     26,01,06,00,1530,0balance
Max %0,0150,32,000,,200,01028,01,47,00,2532,0balance
ASTM B 626 (N08031)

Physical properties

PropertyValue
Density: kg/dm38,0
Hardness: HB<220
Permeability in 68°F1,001
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 /68452 (--)11,7 (--)103 (--)198(--) 
100 / 212463 (--)13,2 (--)106 (--)189 (--)14,3 (--)
200 / 392474 (--)15,0 (--)110 (--)183 (--) 
300 / 572483 (--)16,8 (--)113 (--)176 (--)15,1 (--)
500 / 932500 (--)20,2 (--)118 (--)163 (--)15,7 (--)
600 / 1112508 (--)21,9 (--)120 (--)158 (--)15,9 (--)
Tmperature1,0% Yield strength
in high temperatures		Tensile strenght in high temperatures
°C / °FRp1,0Rm
N/mm2 / ksiN/mm2 / ksi
100 / 212240 / 34,8 
200 / 392210 / 30,4 
300 / 572195 / 28,3 
400 / 752180 / 26,1 
500 / 932165 / 23,9 
550 /1022155 / 22,4 
ksi value calculated

Mechanical properties (20°C / 68°F)

0,2% yield strength (Mpa) / ksi
yield strength(0,2 offset) min.ksi /(Mpa)		>=276
40/276
N 080319 (ASTM B 625)
1,0% yield strength (Mpa) / ksi
>= 390
tensile strength Rm (Mpa)/ksi

tensile strength Rm (min.) ksi /(Mpa)		650-850

94 /(650)		lenghtwise /transverse


N 080319 (ASTM B 625)
elongation A50 %
elongation min. %		>=40
40
in 2in.(50,8mm) or 4D
N 080319 (ASTM B 625)
motch impact ISO-V (to -320,3°F)>=140J / cm2
E-Modul198000

Temparature information

Application area
Operation temperature-321 ºF  to 1022 ºF minimum temperature only in strain situation III
Solution heat treatment
Working temperature2066 ºF  to 2156 ºF 
Explanation reportcool down.water,air
Solution heat treatment
Working temperature1922 ºF  to 2192 ºF 
Explanation reportcool down:air

Standards / information

StandardsDesciption
ASTM B 622Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube

Process information

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
 - Typemanual arc welding
protective gas
gas fusion welding
resistance welding
bar electrode
 - Add. material2.4607;1.4562;2.4609

Main fields of application

Details of applicationapproved for pressure containers in operation temperatures from -320°F to 1022°F
- not suited for use in high temperatures and high hydrochloric acid levels
Certificationslisted in BAM list of dangerous goods transportation
NACE MR0175 ISO 15156
Chemical IndustryHerstellung von Phosphorsäure im Nassaufschlußverfahren
petrochemical industry
sea and lake water plants
Environmental technology
cellulose/paper industryVerschiedene Komponenten
Flue gas desulphurisation plantsverschiedene Komponeneten
Salt productionKristallisation und Eindampfung von Salzen

Range of products

Product typeProduct
Processing / Constructionfrom sheets
from pipes, fittings, flanges (welded)
Plates / Sheetsplates/sheets
plate/sheet cuts
Fittingswelded elbows
welded reductions
Welded T-pieces
Other Fittings a.o. Weldolets, Nipples
Flanges / Collars / Flared tube endsvarious flanges (weld neck flange,blind flange etc.)
Bumped boiler ends / caps / round blanksfrom sheets
Pipes / Tubeswelded 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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