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EN 1.0406 Steel vs. EN 1.6308 Steel

Both EN 1.0406 steel and EN 1.6308 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0406 steel and the bottom bar is EN 1.6308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
23
Fatigue Strength, MPa 170
320
Impact Strength: V-Notched Charpy, J 28
54
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
390
Tensile Strength: Ultimate (UTS), MPa 470
610
Tensile Strength: Yield (Proof), MPa 240
460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 47
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0.22 to 0.29
0 to 0.2
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 97.6 to 99.38
96.4 to 97.9
Manganese (Mn), % 0.4 to 0.7
1.2 to 1.6
Molybdenum (Mo), % 0 to 0.1
0.45 to 0.55
Nickel (Ni), % 0 to 0.4
0.5 to 0.8
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.015
Vanadium (V), % 0
0 to 0.030