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P355NH   ( 1.0565 )

Grade : P355NH
Number: 1.0565
Standard:
    EN 10028 - 3 : 2009   Flat products made of steels for pressure purposes Part 3: Weldable fine grain steels, normalized
    EN 10222 - 4 : 1999   Steel forgings for pressure purposes. Weldable fine-grain steels with high proof strength
    EN 10216 - 3 : 2002   Seamless steel tubes for pressure purposes. Alloy fine grain steel tubes
    EN 10217 - 3 : 2002   Welded steel tubes for pressure purposes. Alloy fine grain steel tubes
    EN 10253 - 2 : 2007   Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements
    EN 10273 : 2007   Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties
Density: 7.85   g/cm ³
Classification: Non-alloy elevated temperature quality steel
Equivalent grades: Go here

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Chemical composition %   of grade   P355NH (1.0565)
According EN 10222-4 chemical composition: C < 0.2; 0.1 < Si < 0.5; 0.9 < Mn < 1.65; Ni < 0.3; 0.02 < Al < 0.06
C Si Mn Ni P S Cr Mo V N Nb TiAl Cu -
max   0.18max   0.51.1 - 1.7max   0.5max   0.025max   0.015max   0.3max   0.08max   0.1max   0.012max   0.05max   0.03max   0.02max   0.3 Nb+Ti+V < 0.12


Mechanical properties of grade   P355NH (1.0565)

Nominal thickness (mm):   to 6060 - 100100 - 150150 - 250
Rm - Tensile strength (MPa) (+N)490-630470-610460-600450-590


Nominal thickness (mm):   to 1616 - 4040 - 6060 - 100100 - 150150 - 250
ReH - Minimum yield strength (MPa) (+N)355345335315305295


KV - Impact energy (J) transverse, (+N)-20°
27-30

35-40
+20°
39-50
KV - Impact energy (J) longitud., -20°
40-45

47-65
+20°
55-75


Nominal thickness (mm):     to 6060 - 250
A - Min. elongation at fracture (%) (+N)2221


Equivalent grades of grade   P355NH (1.0565)
Warning! Only for reference
USA
-
Germany
DIN,WNr
France
AFNOR
England
BS
Italy
UNI
A662Gr.C
WStE355
A510AP
224Gr.490
FeE355-2
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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   P355NH (1.0565). Equivalent grades of   P355NH (1.0565). Standards of   P355NH (1.0565).
Properties of   P355NH (1.0565). Hardness of   P355NH (1.0565). Strength of   P355NH (1.0565). Elongation of   P355NH (1.0565).

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