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X2CrTiNb18   ( 1.4509 )

Grade : X2CrTiNb18
Number: 1.4509
Standard:
    EN 10088 - 2 : 2005   Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
    EN 10088 - 3 : 2005   Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
    EN 10028 - 7 : 2007   Flat products made of steels for pressure purposes. Stainless steels
    EN 10296 - 2 : 2005   Welded circular steel tubes for mechanical and general engineering purposes. Stainless steel
    EN 10088 - 1 : 2005   Stainless steels. List of stainless steels.
Density: 7.7   g/cm ³
Classification: Ferritic stainless steel - special grade
Equivalent grades: Go here

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Chemical composition %   of grade   X2CrTiNb18 (1.4509)
Nb = ( 3 * C + 0.3 ) to 1.0
Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast.
C Si Mn P S Cr Nb Ti
max   0.03max   1max   1max   0.04max   0.01517.5 - 18.50.3 - 10.1 - 0.6


Mechanical properties of grade   X2CrTiNb18 (1.4509)

Rm - Tensile strength (MPa) (+A)430-630


Rp0.2 0.2% proof strength (MPa) (+A)200-250


A - Min. elongation at fracture (%) (+A)18


  Brinell hardness   (HB):   (+A)200


Properties of grade   X2CrTiNb18 (1.4509)
Resistance to intergranular corrosion: in the delivery condition - yes; in the welded condition - yes


Equivalent grades of grade   X2CrTiNb18 (1.4509)
Warning! Only for reference
USA
-
France
AFNOR
S43932
S43940
Z3CTNb18
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Mechanical properties
Mechanische Eigenschaften
Caracteristiques mecaniques
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite delasticite minimale
Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc


Heat treatment conditions
+A Soft annealed
+AC Annealed to achieve spheroidization of the carbides
+AR As rolled
+AT Solution annealed
+C Cold drawn / hard
+CR Cold rolled
+FP Treated to ferrite-pearlite structure and hardness range
+I Isothermal annealing
+LC Cold drawn / soft
+M Thermo mechanical rolling
+N Normalized
+NT Normalized and tempered
+P Precipitation hardened
+PE Peeled
+QA Air quenched and tempered
+QL Liquid quenched and tempered
+QT Quenched and tempered
+S Treated to improve shearability
+SH As rolled and turned
+SR Cold drawn and stress relieved
+T Tempered
+TH Treated to hardness range
+WW Warm worked
+U Untreated

Chemical composition of   X2CrTiNb18 (1.4509). Equivalent grades of   X2CrTiNb18 (1.4509). Standards of   X2CrTiNb18 (1.4509).
Properties of   X2CrTiNb18 (1.4509). Hardness of   X2CrTiNb18 (1.4509). Strength of   X2CrTiNb18 (1.4509). Elongation of   X2CrTiNb18 (1.4509).

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