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EN 1.5414 Steel vs. EN 1.6308 Steel

Both EN 1.5414 steel and EN 1.6308 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5414 steel and the bottom bar is EN 1.6308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
23
Fatigue Strength, MPa 250 to 270
320
Impact Strength: V-Notched Charpy, J 46
54
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 350 to 370
390
Tensile Strength: Ultimate (UTS), MPa 550 to 580
610
Tensile Strength: Yield (Proof), MPa 350 to 380
460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 21
22
Embodied Water, L/kg 50
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 370
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 20
22
Strength to Weight: Bending, points 19 to 20
20
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 16 to 17
18

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.2
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 98.7
96.4 to 97.9
Manganese (Mn), % 0.9 to 1.5
1.2 to 1.6
Molybdenum (Mo), % 0.45 to 0.6
0.45 to 0.55
Nickel (Ni), % 0 to 0.3
0.5 to 0.8
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0
0 to 0.030