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EN 1.6956 Steel vs. EN 1.8961 Steel

Both EN 1.6956 steel and EN 1.8961 steel are iron alloys. They have a very high 95% 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 1.6956 steel and the bottom bar is EN 1.8961 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 370
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.6
19
Fatigue Strength, MPa 680
150
Impact Strength: V-Notched Charpy, J 25
30
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 730
270
Tensile Strength: Ultimate (UTS), MPa 1230
430
Tensile Strength: Yield (Proof), MPa 1120
220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
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 46
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.7
Embodied Energy, MJ/kg 31
23
Embodied Water, L/kg 60
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
70
Resilience: Unit (Modulus of Resilience), kJ/m3 3320
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 43
15
Strength to Weight: Bending, points 32
16
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 36
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0.28 to 0.38
0 to 0.16
Chromium (Cr), % 1.0 to 1.7
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 92.4 to 95.3
96.1 to 99.3
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.7
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 2.9 to 3.8
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.45
Sulfur (S), % 0 to 0.035
0 to 0.035
Titanium (Ti), % 0
0 to 0.12
Vanadium (V), % 0.080 to 0.25
0 to 0.14