EN 1.0487 (P275NH) Non-Alloy Steel
Carbon & Non-Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength440MPa
Yield Strength275MPa
Brinell Hardness130HB
Maximum Service Temperature400°C
Chemical Composition
C
0 to 0.16%
CR
0 to 0.3%
NI
0 to 0.5%
MO
0 to 0.080%
MN
0.6 to 1.5%
SI
0 to 0.4%
N
0 to 0.012%
P
0 to 0.025%
S
0 to 0.010%
CU
0 to 0.3%
NB
0 to 0.050%
TI
0 to 0.030%
V
0 to 0.050%
AL
0.020 to 0.024%
FE
96.6 to 99.38%
Mechanical
A - Min. elongation at fracture (%) (+N)
24
+N
A - Min. elongation at fracture (%) (+N)
23
+N
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
27 %
Fatigue Strength
210 MPa
Impact Strength: V-Notched Charpy
71 J
KV - Impact energy (J) longitud., (+N)
-20° 40-45
+N
KV - Impact energy (J) longitud., (+N)
0° 47-65
+N
KV - Impact energy (J) longitud., (+N)
+20° 55-75
+N
KV - Impact energy (J) transverse, (+N)
-20° 30
+N
KV - Impact energy (J) transverse, (+N)
0° 40
+N
KV - Impact energy (J) transverse, (+N)
+20° 50
+N
Poisson's Ratio
0.29
ReH - Minimum yield strength (MPa) (+N)
275
+N
ReH - Minimum yield strength (MPa) (+N)
265
+N
ReH - Minimum yield strength (MPa) (+N)
255
+N
ReH - Minimum yield strength (MPa) (+N)
235
+N
ReH - Minimum yield strength (MPa) (+N)
225
+N
ReH - Minimum yield strength (MPa) (+N)
215
+N
Rm - Tensile strength (MPa) (+N)
390-510
+N
Rm - Tensile strength (MPa) (+N)
370-490
+N
Rm - Tensile strength (MPa) (+N)
360-480
+N
Rm - Tensile strength (MPa) (+N)
350-470
+N
Shear Modulus
73 GPa
Shear Strength
280 MPa
Tensile Strength: Ultimate (UTS)
440 MPa
Tensile Strength: Yield (Proof)
280 MPa
Hardness
Brinell Hardness
130
Physical
Density
7.8 g/cm 3
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
49 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
7.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.4 % 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)
100 MJ/m 3
Resilience: Unit (Modulus of Resilience)
200 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
15 points
Strength to Weight: Bending
16 points
Environmental
Base Metal Price
2.3 % relative
Embodied Carbon
1.5 kg CO 2 /kg material
Embodied Energy
20 MJ/kg
Embodied Energy
20 MJ/kg 8.8 x 10 3 BTU/lb
Embodied Water
49 L/kg
Embodied Water
49 L/kg 5.8 gal/lb
Registered Designations & Aliases
1.04871.0487EN 1.0487 (P275NH) Non-Alloy SteelP275NHP275NH
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 10273 EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties