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EN 1.4931 Steel vs. EN 1.7361 Steel

Both EN 1.4931 steel and EN 1.7361 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 90% 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 1.7361 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11
Fatigue Strength, MPa 410
480
Impact Strength: V-Notched Charpy, J 30
31
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 810
1010
Tensile Strength: Yield (Proof), MPa 620
780

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
470
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
41
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 42
22
Embodied Water, L/kg 100
60

Common Calculations

PREN (Pitting Resistance) 16
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 970
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
36
Strength to Weight: Bending, points 25
29
Thermal Diffusivity, mm2/s 6.5
11
Thermal Shock Resistance, points 22
29

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.28 to 0.35
Chromium (Cr), % 11.3 to 12.2
2.8 to 3.3
Iron (Fe), % 83.2 to 86.8
94.1 to 96.2
Manganese (Mn), % 0.5 to 0.8
0.4 to 0.7
Molybdenum (Mo), % 1.0 to 1.2
0.3 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0