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EN 1.6956 Steel vs. EN 1.0070 Steel

Both EN 1.6956 steel and EN 1.0070 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 370
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.6
9.1
Fatigue Strength, MPa 680
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 730
440
Tensile Strength: Ultimate (UTS), MPa 1230
740
Tensile Strength: Yield (Proof), MPa 1120
350

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
1.7
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 31
18
Embodied Water, L/kg 60
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
56
Resilience: Unit (Modulus of Resilience), kJ/m3 3320
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 43
26
Strength to Weight: Bending, points 32
23
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 36
23

Alloy Composition

Carbon (C), % 0.28 to 0.38
0
Chromium (Cr), % 1.0 to 1.7
0
Iron (Fe), % 92.4 to 95.3
99.876 to 100
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 2.9 to 3.8
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.035
0 to 0.055
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0 to 0.055
Vanadium (V), % 0.080 to 0.25
0