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EN 1.3961 Alloy vs. EN 1.6750 Steel

Both EN 1.3961 alloy and EN 1.6750 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 65% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is EN 1.6750 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
18
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 450
650
Tensile Strength: Yield (Proof), MPa 310
460

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.3
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.7
Embodied Energy, MJ/kg 66
22
Embodied Water, L/kg 110
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
23
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 130
19

Alloy Composition

Carbon (C), % 0 to 0.050
0.17 to 0.23
Chromium (Cr), % 0 to 0.25
0.3 to 0.5
Iron (Fe), % 60.7 to 65
95.3 to 97.5
Manganese (Mn), % 0 to 0.5
0.8 to 1.2
Molybdenum (Mo), % 0 to 1.0
0.4 to 0.8
Nickel (Ni), % 35 to 37
0.8 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030