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EN 1.0215 Steel vs. EN 1.0070 Steel

Both EN 1.0215 steel and EN 1.0070 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0215 steel and the bottom bar is EN 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
9.1
Fatigue Strength, MPa 180
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 230
440
Tensile Strength: Ultimate (UTS), MPa 350
740
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 53
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.7
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 45
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
56
Resilience: Unit (Modulus of Resilience), kJ/m3 160
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13
26
Strength to Weight: Bending, points 14
23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 11
23

Alloy Composition

Carbon (C), % 0 to 0.14
0
Iron (Fe), % 98.7 to 100
99.876 to 100
Manganese (Mn), % 0 to 0.7
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.045
0 to 0.055
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.045
0 to 0.055