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EN 1.0070 Steel vs. EN 1.4558 Stainless Steel

Both EN 1.0070 steel and EN 1.4558 stainless steel are iron alloys. They have 44% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.1
39
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 440
350
Tensile Strength: Ultimate (UTS), MPa 740
510
Tensile Strength: Yield (Proof), MPa 350
200

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.5
Embodied Energy, MJ/kg 18
77
Embodied Water, L/kg 45
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
160
Resilience: Unit (Modulus of Resilience), kJ/m3 320
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 23
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 23
Iron (Fe), % 99.876 to 100
39.2 to 47.9
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
32 to 35
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.055
0 to 0.020
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0 to 0.055
0 to 0.015
Titanium (Ti), % 0
0 to 0.6