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EN 1.0070 Steel vs. EN 1.8837 Steel

Both EN 1.0070 steel and EN 1.8837 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 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 1.0070 steel and the bottom bar is EN 1.8837 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1
19
Fatigue Strength, MPa 210
340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 440
390
Tensile Strength: Ultimate (UTS), MPa 740
630
Tensile Strength: Yield (Proof), MPa 350
490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
21
Embodied Water, L/kg 45
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
110
Resilience: Unit (Modulus of Resilience), kJ/m3 320
640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 23
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.040
Carbon (C), % 0
0 to 0.16
Iron (Fe), % 99.876 to 100
96.6 to 99.98
Manganese (Mn), % 0
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.014
0 to 0.020
Phosphorus (P), % 0 to 0.055
0 to 0.020
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0 to 0.055
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1