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EN 1.0031 Steel vs. EN 1.4818 Stainless Steel

Both EN 1.0031 steel and EN 1.4818 stainless steel are iron alloys. They have 69% 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 1.0031 steel and the bottom bar is EN 1.4818 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 160
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 200
480
Tensile Strength: Ultimate (UTS), MPa 310
700
Tensile Strength: Yield (Proof), MPa 210
330

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 53
17
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 18
44
Embodied Water, L/kg 45
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
230
Resilience: Unit (Modulus of Resilience), kJ/m3 120
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11
25
Strength to Weight: Bending, points 13
23
Thermal Diffusivity, mm2/s 14
4.5
Thermal Shock Resistance, points 9.8
15

Alloy Composition

Carbon (C), % 0 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
18 to 20
Iron (Fe), % 98.8 to 100
65.6 to 71.8
Manganese (Mn), % 0 to 0.7
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.35
1.0 to 2.0
Sulfur (S), % 0 to 0.045
0 to 0.015