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X2CrNi18-9   ( 1.4307 )

Grade : X2CrNi18-9
Number: 1.4307
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 10222 - 5 : 2000   Steel forgings for pressure purposes. Martensitic, austenitic and austenitic-ferritic stainless steels
    EN 10216 - 5 : 2004   Seamless steel tubes for pressure purposes. Stainless steel tubes
    EN 10217 - 7 : 2005   Welded steel tubes for pressure purposes. Stainless steel tubes
    EN 10296 - 2 : 2005   Welded circular steel tubes for mechanical and general engineering purposes. Stainless steel
    EN 10253 - 3 : 2008   Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
    EN 10253 - 4 : 2008   Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
    EN 10272 : 2007   Stainless steel bars for pressure purposes
    EN 10269 : 1999   Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
    EN 10263 - 5 : 2001   Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for stainless steels
    EN 10250 - 4 : 2000   Open steel die forgings for general engineering purposes. Stainless steels
    EN 10297 - 2 : 2005   Seamless circular steel tubes for mechanical and general engineering purposes. Stainless steel
    EN 10088 - 1 : 2005   Stainless steels. List of stainless steels.
Density: 7.9   g/cm ³
Classification: Austenitic stainless steel
Equivalent grades: Go here

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Chemical composition %   of grade   X2CrNi18-9 (1.4307)
Particular ranges of sulphur content may provide improvement of particular properties. For machinability a controlled sulphur content of 0.015 % to 0.030% is recommended and permitted. For weldability, a controlled sulphur content of 0.008 % to 0.030 % is recommended and permitted. For polishability, a controlled sulphur content of 0.015 % max is recommended.
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 Ni P S Cr N
max   0.03max   1max   28 - 10.5max   0.045max   0.01517.5 - 19.5max   0.11


Mechanical properties of grade   X2CrNi18-9 (1.4307)

Rm - Tensile strength (MPa) (+A)450-700
Rm - Tensile strength (MPa) (+AT)470-680
Rm - Tensile strength (MPa) (+AT+C)740-800


Rp0.2 0.2% proof strength (MPa) (+AT)180
Rp0.2 0.2% proof strength (MPa) (+A)175-220


KV - Impact energy (J) transverse, (+A)+20°
60
-196°
60
KV - Impact energy (J) longitud., (+A)+20°
100


A - Min. elongation at fracture (%) (+A)35-45
A - Min. elongation at fracture (%) transverse, (+AT)35
A - Min. elongation at fracture (%) longitud., (+AT)40


Nominal diameter (mm):     2 - 50
Z - Reduction in cross section on fracture (%)63-68


  Brinell hardness   (HB):   (+A)215
  Brinell hardness   (HB):   (+AT)200


Properties of grade   X2CrNi18-9 (1.4307)
Resistance to intergranular corrosion: in the delivery condition - yes; in the sensitized condition - yes
Steel shal not be applied at a metal temperature lower than -196 ° C


Equivalent grades of grade   X2CrNi18-9 (1.4307)
Warning! Only for reference
USA
-
Japan
JIS
France
AFNOR
England
BS
Sweden
SS
Russia
GOST
304L
SUS304L
Z2CN18
Z3CN18
Z3CN19-09
304S11
2352
04KH18N10
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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   X2CrNi18-9 (1.4307). Equivalent grades of   X2CrNi18-9 (1.4307). Standards of   X2CrNi18-9 (1.4307).
Properties of   X2CrNi18-9 (1.4307). Hardness of   X2CrNi18-9 (1.4307). Strength of   X2CrNi18-9 (1.4307). Elongation of   X2CrNi18-9 (1.4307).

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