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EN 1.4931 Steel vs. EN 1.7366 Steel

Both EN 1.4931 steel and EN 1.7366 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17 to 19
Fatigue Strength, MPa 410
160 to 320
Impact Strength: V-Notched Charpy, J 30
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 810
460 to 710
Tensile Strength: Yield (Proof), MPa 620
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 600
510
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 24
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 100
69

Common Calculations

PREN (Pitting Resistance) 16
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 970
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
16 to 25
Strength to Weight: Bending, points 25
17 to 23
Thermal Diffusivity, mm2/s 6.5
11
Thermal Shock Resistance, points 22
13 to 20

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.18
Chromium (Cr), % 11.3 to 12.2
4.0 to 6.0
Iron (Fe), % 83.2 to 86.8
91.9 to 95.3
Manganese (Mn), % 0.5 to 0.8
0.3 to 0.8
Molybdenum (Mo), % 1.0 to 1.2
0.45 to 0.65
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0