EN 1.0258 (P265TR1) Non-Alloy Steel
Carbon & Non-Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength490MPa
Yield Strength265MPa
Brinell Hardness140HB
Maximum Service Temperature400°C
Chemical Composition
C
0 to 0.2%
CR
0 to 0.3%
NI
0 to 0.3%
MO
0 to 0.080%
MN
0 to 1.4%
SI
0 to 0.4%
P
0 to 0.025%
S
0 to 0.020%
CU
0 to 0.3%
NB
0 to 0.010%
TI
0 to 0.040%
V
0 to 0.020%
FE
96.9 to 100%
Mechanical
A - Min. elongation at fracture (%) longitud.,
21
A - Min. elongation at fracture (%) transverse,
19
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
23 %
Fatigue Strength
200 MPa
Impact Strength: V-Notched Charpy
38 J
Poisson's Ratio
0.29
ReH - Minimum yield strength (MPa)
265
ReH - Minimum yield strength (MPa)
255
ReH - Minimum yield strength (MPa)
245
Rm - Tensile strength (MPa)
410-570
Shear Modulus
73 GPa
Shear Strength
310 MPa
Tensile Strength: Ultimate (UTS)
490 MPa
Tensile Strength: Yield (Proof)
290 MPa
Hardness
+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
+A
Brinell Hardness
140
Physical
Density
7.9 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
16 points
Electrical
Electrical Conductivity: Equal Volume
7.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.3 % IACS
Other
Nominal thickness (mm):
to 16
Nominal thickness (mm):
16 - 40
Nominal thickness (mm):
40 - 60
Calculated
Resilience: Ultimate (Unit Rupture Work)
95 MJ/m 3
Resilience: Unit (Modulus of Resilience)
220 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
2.1 % relative
Embodied Carbon
1.5 kg CO 2 /kg material
Embodied Energy
19 MJ/kg
Embodied Energy
19 MJ/kg 8.3 x 10 3 BTU/lb
Embodied Water
47 L/kg
Embodied Water
47 L/kg 5.7 gal/lb
Registered Designations & Aliases
1.02581.0258EN 1.0258 (P265TR1) Non-Alloy SteelP265TR1P265TR1
Standards
EN 10216-1 EN 10216-1: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
EN 10217-1 EN 10217-1: 2002 Welded steel tubes for pressure purposes. Non-alloy steel tubes with specified room temperature properties
EN 10217-1 EN 10217-1: Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties
EN 10217-1 EN 10217-1: Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011