EN 1.0565 (P355NH) Non-Alloy Steel
Carbon & Non-Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength550MPa
Yield Strength355MPa
Brinell Hardness160HB
Maximum Service Temperature400°C
Mechanical
A - Min. elongation at fracture (%) (+N)
22
+N
A - Min. elongation at fracture (%) (+N)
21
+N
Elastic (Young's, Tensile) Modulus
190 GPa
Impact Strength: V-Notched Charpy
71 J
KV - Impact energy (J) longitud.,
-20° 40-45
KV - Impact energy (J) longitud.,
0° 47-65
KV - Impact energy (J) longitud.,
+20° 55-75
KV - Impact energy (J) transverse, (+N)
-20° 27-30
+N
KV - Impact energy (J) transverse, (+N)
0° 35-40
+N
KV - Impact energy (J) transverse, (+N)
+20° 39-50
+N
ReH - Minimum yield strength (MPa) (+N)
355
+N
ReH - Minimum yield strength (MPa) (+N)
345
+N
ReH - Minimum yield strength (MPa) (+N)
335
+N
ReH - Minimum yield strength (MPa) (+N)
315
+N
ReH - Minimum yield strength (MPa) (+N)
305
+N
ReH - Minimum yield strength (MPa) (+N)
295
+N
Rm - Tensile strength (MPa) (+N)
490-630
+N
Rm - Tensile strength (MPa) (+N)
470-610
+N
Rm - Tensile strength (MPa) (+N)
460-600
+N
Rm - Tensile strength (MPa) (+N)
450-590
+N
Tensile Strength: Ultimate (UTS)
550 MPa
Tensile Strength: Yield (Proof)
360 MPa
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
400 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
50 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
7.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.5 % IACS
Other
Nominal thickness (mm):
to 60
Nominal thickness (mm):
60 - 100
Nominal thickness (mm):
100 - 150
Nominal thickness (mm):
150 - 250
Nominal thickness (mm):
to 16
Nominal thickness (mm):
16 - 40
Nominal thickness (mm):
40 - 60
Nominal thickness (mm):
60 - 250
Calculated
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
340 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
19 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
2.3 % relative
Embodied Carbon
1.6 kg CO 2 /kg material
Embodied Energy
22 MJ/kg 9.3 x 10 3 BTU/lb
Embodied Water
49 L/kg 5.9 gal/lb
Registered Designations & Aliases
1.05651.0565EN 1.0565 (P355NH) Non-Alloy SteelP355NHP355NH
Standards
EN 10028-3 EN 10028-3: 2009 Flat products made of steels for pressure purposes. Weldable fine grain steels, normalized
EN 10028-3 EN 10028-3: Flat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized
EN 10216-3 EN 10216-3: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Alloy fine grain steel tubes
EN 10217-3 EN 10217-3: 2002 Welded steel tubes for pressure purposes. Alloy fine grain steel tubes
EN 10222-4 EN 10222-4: 1999 Steel forgings for pressure purposes. Weldable fine-grain steels with high proof strength
EN 10222-4 EN 10222-4: Steel forgings for pressure purposes - Part 4: Weldable fine-grain steels with high proof strength
EN 10222-4 EN 10222-4: Steel forgings for pressure purposes - Part 4: Weldable fine-grain steels with high proof strength EN 10028-3: Flat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized
EN 10253-2 EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements
EN 10273 EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties