Material No.: AISI 405

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

Description

EN symbol (short)X10CrAl13
Material No.1.4724
UNSS 44600
AFNOR(Z 10 C 13
BS403 S 17
Registered work's labelSicromal®
Density kg/dm37,7
Hardness HB<=192
CompositionNo translation!
CategoryHeat resistant steels and alloys
Structureferritic
CorrosionNo translation!
Additional characteristicsresistant to carbonisation
good resistance to oxidising sulfur-containing gas
forge scale temperature 1562°F

Chemical Composition

 CSiMnPSALCrNiN
AISI 405Min %         
Max %         
1.4724Min % 0,70   0,7012,00  
Max %0,121,401,000,0400,0151,2014,00  
(Key to steel 2010)
S 44600Min %      23,00  
Max %0,201,001,500,0400,030 27,000,750,25
ASTM A268 (UNS S44600)

Physical properties

PropertyValue
Density: kg/dm37,7
Hardness: HB<=192
magnetizableyes
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 / 68500 (--)21 (--) 200 (--) 
Temp.Creep strain limitCreep strain limitCreep rupture strengthCreep rupture strengthCreep rupture strength
°C / °F1000 h10 000h
Rp 1,0 (MPa)
(geglüht)
Rp 1,0 (MPa)
(geglüht)
600 /111227,5 35  
800 /14723,7 4,3  
900 / 16521,8 1,9  
1000 / 18320,5    

Mechanical properties (20°C / 68°F)

0,2%Yield strength Rp0,2N7mm2/ksi250 / 36,2
Tensile strenght Rm N/mm2/ksi450-650/65,2-94,2
Elongation A5 (%)<=15

Temparature information

Application area
Operation temperature ºF  to 1562 ºF by air to ca 1472°F (resistant to scaling)
soft annealing
Working temperature1472 ºF  to 1580 ºF 
Solution heat treatment
Working temperature2012 ºF  to 1472 ºF 
annealing
Working temperature1472 ºF  to 1562 ºF afterwards: Ferrit

Standards / information

StandardsDesciption
ASTM A 276 Rods and cross-sections made of stainless and heat-resistant steel

Process information

Chip removing processgood machinability
Welding
 - Add. material1.4502,1.4723,1.4773,1.4820

Main fields of application

Details of applicationperforms well under sulfidising conditions
Certifications
petrochemical industry
industral furnace engineering
Steam boiler construction

Range of products

Product typeProduct
Processing / Constructionfrom sheets
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
seamless pipes/tubes
Round barpeeled
Bar steelsection 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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