Material No.: 1.4919

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

Description

EN symbol (short)X6CrNiMoB 17-12-2
Density kg/dm38,0
Hardness (HB)
Composition
CategoryStainless-Steel
Structureaustenitic

Chemical Composition

 CSiMnPSCrMoNiNB
1.4919Min %0,04    16,02,0012,0 0,0015
Max %0,080,752,000,0350,01518,02,5014,00,100,0050

Physical properties

PropertyValue
Density: kg/dm38,0
Hardness: (HB)---
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 /6845016 193 
Temp.Creep strain limitCreep strain limitCreep rupture strengthCreep rupture strengthCreep rupture strength
10 000 h
Mpa
550  250  
600  175  
700  111  
750  42  

Mechanical properties (20°C / 68°F)

Yield strength Rp 1,0>=35
0,2 % tensile elastic limit Rp N/mm2>=205
Tensile strenght Rm N/mm2490-690
Elongation %<=35

Temparature information

Solution heat treatment
Working temperature1868 ºF  to 2012 ºF 
Processing informationscool down.water 7 air
Solution heat treatment
Working temperature1382 ºF  to 2102 ºF 
hardness
Working temperature1868 ºF  to 2012 ºF 
Processing informationswater /air 30-60 Min.

Standards / information

StandardsDesciption
ASTM A 213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater,and Heat-Exchanger Tubes
ASTM A 240sheet metal and ribbons from stainless Cr and Ni pressure containers
ASTM A 249 Standard Specification for Welded austenitic steel boiler, Superheaters, heat-exchangers,and condenser Tubes
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 10302 (06/2008)heat-resisting steel nickel-cobalt alloy

Process information

Welding
 - Typemanual arc

Main fields of application

Details of application
Certifications
Power plants

Range of products

Product typeProduct
Fittingswelded elbows
welded reductions
Welded T-pieces
seamless elbows
seamless reductions
seamless T-pieces
Pipes / Tubeswelded pipes/tubes
seamless pipes/tubes
Round barpeeled
Bar steelsection 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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