Material No.: alloy 800 H

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

Description

EN symbol (short)X5NiCrAlTi31-20
Material No.1.4876 H
Material No.1.4958
UNSN 08810
AFNORNF EN 10088-1 (06/2005)
BSNA 15(H)
Registered work's labelNicrofer®3220H
Density lb/in.37,94
Hardness (HB)
Compositionchromium nickel steel
CategoryHeat resistant steels and alloys
Structureaustenitic

Chemical Composition

 CPSSiCuMnCrNiNbAlTiAl+TiCoNFe
alloy 800 HMin %               
Max %               
1.4876 HMin %0,030     19,0030,00       
Max %0,080,0150,0100,700,501,5022,0032,00 0,10  0,70   
DIN EN 10302
1.4958Min %0,03     19,0030,00 0,200,20    
Max %0,080,0150,0100,700,501,5022,0032,500,100,500,50 0,500,030 
(Key to steel 2010) gem.DIN EN 10028-7+DIN EN 10216-5 (Ni+Co) 30,0-32,5%;(Al+Ti)<=0,70%
N 08810Min %0,05     19,030,0 0,150,15   39,5
Max %0,10 0,151,00,751,523,035,0 0,600,60    
ASTM B 407 (N08810 -Alloy 800H)

Physical properties

PropertyValue
Density: lb/in.37,94
Hardness: (HB)---
Permeabilität bei 20°C1,01
elasticity modulus (N/mm2) / ksi
194 /28,1
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 / 68472 (--)11,5 (--)101 (--)194 (--) 
100 / 212501 (--)13,1 (--)104 (--)189 (--)15,1 (--)
200 / 392525 (--)14,8 (--)108 (--)183 (--)15,7 (--)
400 / 752555 (--)18,1 (--)115 (--)170 (--)16,6 (--)
600 /1112604 (--)21,2 (--)120 (--)156 (--)17,4 (--)
700 / 1292610 (--)22,8 (--)122 (--)149 (--)17,7 (--)
800 / 1472609 (--)24,3 (--)124 (--)141(--)18,0 (--)
900 / 1652615 (--)25,7 (--)126 (--)134 (--)18,3 (--)
1000 / 1832641(--)27,3 (--)127 (--)127 (--)18,6 (--)
Bem4 DE
Temp.Creep strain limitCreep strain limitCreep rupture strengthCreep rupture strengthCreep rupture strength
°C /°Flösungsgeglühtlösungsgeglühtlösungsgeglühtlösungsgeglühtlösungsgeglüht
10 000 h/100 000h
Rp1,0- N/mm2		10 000 h
N/mm2		100 000h
N/mm2		200 000h
N/mm2		200 000h
N/mm2
600115 / 851409583 
620102 / 741187868 
65084 / 59976355 
66078 / 55915952 
67073 / 51855548 
68068 / 47805245 
69063 / 43744841 
70058 /40694438 
Bem2 EN

Mechanical properties (20°C / 68°F)

Yield strength Rp 0,2
lengthwise
transverse
>=155
>=170
Tensile strenght Rm (MPa)500-750
Elongation (A50) quer %30
Notched impact strength (ISO-V/Charpy-V) 20°C
<=120J

Temparature information

Application area
Operation temperature1292 ºF  to 1832 ºF (when 1112°F below use in soft annealed state)
Solution heat treatment
Working temperature2102 ºF  to 2192 ºF 
Explanation reportpipes < 50mm
Working temperature2012 ºF  to 2192 ºF 
Processing informationscooldown:Water/air
Solution heat treatment
Working temperature1382 ºF  to 2102 ºF 
finishing treatment (Annealing)
Working temperature1652 ºF  to 1742 ºF 
Processing informationsair (<= 30min)
soft-annealed
Working temperature ºF  to 2102 ºF 

Standards / information

StandardsDesciption
ASTM B 163Standard Specifications for seamless nickel and nickel alloy condensers and heat-exchanger tubes
ASTM B 407Standard Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube
ASTM B 408Standard Specification for Nickel-Iron-Chromium Alloy Rod and Bar
DIN EN 10028-7 (02/2008)flat products made from steel for pressure tanks Part 7: Stainless steel
DIN EN 10088-1 (09/2005)Stainless steels Part 1: List of stainless steels
VdTÜV WBL-412rolled / forged steel material-nr.1.4876 (12/2009)
VdTÜV Wbl.412 )X10NiCrAlTi32-20 H with increased creep rupture strength

Process information

Welding
 - Typecovered electrode
No translation!
manual arc
 - Add. material2.4648;2.4627
2.4806

Main fields of application

Details of applicationmetallurgic stability during uninterrupted service in high temeratures
Certifications
Steam boiler constructionDruckbehälter
Chemical IndustryPyrolyserohre in Äthylenöfen
Transportrohrleitungen
Environmental technologyMüllverbrennunsanlagen

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
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
seamless 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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