Material No.: alloy 28

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

Description

EN symbol (short)X1NiCrMoCu31-27-4
Material No.1.4563
UNSN 08028
AFNORX1NiCrMoCu31-27-4 / (EN 10088-1(062005) (F)
BSX1NiCrMoCu31-27-4 / (EN 10088-1(062005) (GB)
Registered work's labelNicrofer® 3127 LC
Sanicro 28 (Spec)
Density kg/dm38,0
Hardness HB<=215
CompositionNickel Chrome Iron alloy
CategoryCorrosion resisting steels and alloys
Structureaustenitic
Corrosionresistant to intercrystalline corrosion
good against chloride induced tensile corrosion
Good overall corrosion resistance
Additional characteristicshigh corrosion resistance in hot chloride/sulfur containing substances
Descriptionresistant to intercrystalline corrosion

Chemical Composition

 CSiMnCrMoNiCuSPFeN
alloy 28Min %   26,03,0030,00,60  balance 
Max %0,031,02,5028,04,0034,01,400,0300,030balance 
ASTM B 668 (S 080289 (Alloy 28)
1.4563Min %   26,003,0030,000,70    
Max %0,020,702,0028,004,0032,001,500,0100,030 0,110
(Key to steel 2010)
N 08028Min %   26,03,0030,00,60  balance 
Max %0,0301,002,5028,04,0034,01,400,0300,30balance 
ASTM B 668 (UNS 08028)

Physical properties

PropertyValue
Density: kg/dm38,0
Hardness: HB<=215
polishableyes
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 (--)1,0 (--)197 (--) 
100 / 212    15,8 (--)
200 / 392    16,1 (--)
400 / 752    16,9 (--)
500 /932    17,3 (--)
Temperature0,2 % Yield
strength

in high temperatures
1,0% Yield
strength

in high temperatures
Tensile strenght


in high temperatures
°C / °FRp 0,2Rp1,0Rm
N/mm2 / ksiN /mm2 / ksiN/mm2 /ksi
50 / 122200 / 29230 / 33,3485 / 70,3
100 / 212190 / 27,5220 / 31,9460 / 66,7
200 / 392160 / 23,2190 / 27,5430 / 62,3
300 / 572150 / 21,7180 / 26,1400 / 58,0
400 / 752135 / 19,6165 / 23,9 
500 / 932120 7 17,4150 / 21,7 
ksi value calculated

Mechanical properties (20°C / 68°F)

0,2% Yield strength (Mpa / ksi)<214 / <73
Tensile strength (Mpa/ ksi)<500 /<73
Elongation %402 in(50,88mm)

Temparature information

Application area
Operation temperature ºF  to 662 ºF admitted operating temperature
Solution heat treatment
Working temperature1958 ºF  to 2102 ºF 
Explanation reportcool down: air ;water
Solution heat treatment
Working temperature1562 ºF  to 2102 ºF 
Explanation reportcool down:air

Standards / information

StandardsDesciption
ASTM B 668Standard Specification for UNS N 08028 Seamless Pipe and Tube
ASTM B 709Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloy (UNS N08028) Plate,Sheet and Strip
DIN 10216-5 (11/2004+B1)Seamless steel pipes under compression load Pipes made from stainless steel
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
DIN EN 10217-7Welded steel pipes under compression load Pipes made from stainless steel
DIN EN 10297-2 (02/2006)Welded circular steel pipes for machine construction and general technical service stainless steel. Pipes made from stainless steel

Process information

Cold formingheat treatment only in danger of stress corrosion
Welding
 - Material classification acc. CEN ISO/TR 156088,2
 - Typeprotective gas
manual arc welding (E)
resistance welding
No translation!
Welding wire
 - Add. material2.4621;2.4653;2.465660-

Main fields of application

Details of applicationusable in sour gas conducting oil plants
CertificationsNace MR 01-75
Chemical Industryzur Verarbeitung von Schwefelsäure (z.B.Schwefelsäurekühler)
zur Verarbeitung von Phosporsäure
offshore plantsRohrleitungen für Erdöl und Erdgas
petrochemical industryWärmetauscher in Ölraffinerien
Flue gas desulphurisation plants
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 endsvarious flanges (weld neck flange,blind flange etc.)
Pipes / Tubeswelded pipes/tubes
Bar steelflat steel
section 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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