EN 1.0426 (P280GH) Non-Alloy Steel
EN 1.0426 steel is a carbon (non-alloy) steel formulated for primary forming into wrought products. Cited properties are appropriate for the normalized condition. 1.0426 is the EN numeric designation for this material. P280GH is the EN chemical designation.
It has a moderately high ductility among the wrought carbon or non-alloy steels in the database.
The graph bars on the material properties cards below compare EN 1.0426 steel to: wrought carbon or non-alloy steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Brinell Hardness
150
Elastic (Young's, Tensile) Modulus
190 GPa 27 x 106 psi
Elongation at Break
25 %
Fatigue Strength
210 MPa 31 x 103 psi
Impact Strength: V-Notched Charpy
42 J 31 ft-lb
Poisson's Ratio
0.29
Shear Modulus
73 GPa 11 x 106 psi
Shear Strength
330 MPa 48 x 103 psi
Tensile Strength: Ultimate (UTS)
520 MPa 75 x 103 psi
Tensile Strength: Yield (Proof)
290 MPa 42 x 103 psi
Thermal Properties
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
400 °C 750 °F
Melting Completion (Liquidus)
1460 °C 2660 °F
Melting Onset (Solidus)
1420 °C 2590 °F
Specific Heat Capacity
470 J/kg-K 0.11 BTU/lb-°F
Thermal Conductivity
51 W/m-K 30 BTU/h-ft-°F
Thermal Expansion
12 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
7.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.2 % IACS
Otherwise Unclassified Properties
Base Metal Price
1.9 % relative
Density
7.8 g/cm3 490 lb/ft3
Embodied Carbon
1.4 kg CO2/kg material
Embodied Energy
19 MJ/kg 8.0 x 103 BTU/lb
Embodied Water
47 L/kg 5.6 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m3
Resilience: Unit (Modulus of Resilience)
230 kJ/m3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
18 points
Thermal Diffusivity
14 mm2/s
Thermal Shock Resistance
16 points
Alloy Composition
| Fe | 97.9 to 99.02 | |
| Mn | 0.9 to 1.5 | |
| Si | 0 to 0.4 | |
| C | 0.080 to 0.2 | |
| P | 0 to 0.025 | |
| S | 0 to 0.015 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
EN 10222-2: Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties
Creep-Resistant Steels, Fujio Abe et al. (editors), 2008
Carbon Steel Handbook, D. Gandy, 2007
Ferrous Materials: Steel and Cast Iron, Hans Berns and Werner Theisen, 2008
Steels: Processing, Structure, and Performance, 2nd ed., George Krauss, 2015