Material No.: 1.4862

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

Description

EN symbol (short)X8NiCrSi38-18
UNSN 08330
BSBS3072 - BS3076 (A17)
Density lb/in30,284
Hardness HB (max)210
CompositionNickel Chrome Iron alloy
mixed crystal alloy
CategoryHeat resistant steels and alloys
Structure

Chemical Composition

 CSSiMnCrCuTiNiPFePbSn
1.4862Min %  1,500,8017,00  35,00 balance  
Max %0,100,032,501,5019,000,500,2039,000,03balance  
(Key to steel 2010)
N 08330Min %  0,75 17,00  34,00 remainder  
Max %0,08 1,502,0020,001,00 37,000,03remainder0,0050,025
ASTM B 535 (UNS N 08330)

Physical properties

PropertyValue
Density: lb/in30,284
Hardness: HB (max)210
Permeabilität bei 20°C1,01
elasticity modulus (N/mm2) /ksi198 /28,7
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 (--)11,4 (--)103 (--)194 (--) 
100 / 212501 (--)12,8 (--)106 (--)190 (--)15,1 (--)
300 / 572532 (--)16,3 (--)115 (--)177 (--)16,2 (--)
500 /932582 (--)19,5 (--)120 (--)162 (--)17,0 (--)
700 / 1292610 (--)22,6 (--)123 (--)150 (--)17,7 (--)
900 / 1652615 (--)25,6 (--)127 (--)134 (--)18,3( --)
Temp.Creep strain limitCreep strain limitCreep rupture strengthCreep rupture strengthCreep rupture strength
°C/°F1000h (MPa/ksi)
lösungsgeglüht/
Solution Annealed
750 / 138049 / 7,1    
850 / 156026 / 3,8    
950 /174015 / 2,2    
1050 /19206,7/ 0,97    
TemperatureYield strength
in high temperatures
Yield strength
in high temperatures
Tensile strenght
in high temperatures
°C/°FRp 0,2Rp 1,0Rm
min.
(N/mm2/ksi)
min.
(N/mm2/ksi)

N/mm2 /ksi
20 / 68285 40,6310 / 44,9650 / 94,2
100 / 212265 / 30,4290 / 34,8630 / 91,4
200 / 392240 / 26,1265 / 30,4615 / 84,1
300 / 572220 / 23,9250 / 28,3605 / 76,9
400 / 752210 / 21,7235 / 26,1555/ 72,5
500 / 932200 / 19,5225 / 23,9470 / 68,1
700 / 1292175 / 25,3190 / 27,5340 / 49,3
900 /165285 / 12,3100 / 14,5120 / 17,4
ksi value calculated

Mechanical properties (20°C / 68°F)

Yield strength Mpa/ ksi<=280 /<=40,6
Yield strength Mpa/ ksi<=310/<=44,9
Tensile strenght Rm N/mm2<=650/<=94,2

Temparature information

Solution heat treatment
Working temperature2102 ºF  to 1742 ºF 
Solution heat treatment
Working temperature2192 ºF  to 1652 ºF 
soft annealing

Standards / information

StandardsDesciption

Process information

Chip removing processprocess in annealed state due to cold work hardening
low cutting speed
keep constant cutting tool contact
Welding
 - Typewell weldable
WIG
manual arc welding
MiG

Main fields of application

Details of application
Certifications
industral furnace engineering

Range of products

Product typeProduct
Plates / Sheetsplates/sheets
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
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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