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EN 1.8507 Steel vs. EN 1.4315 Stainless Steel

Both EN 1.8507 steel and EN 1.4315 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 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 1.8507 steel and the bottom bar is EN 1.4315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
45
Fatigue Strength, MPa 440
290
Impact Strength: V-Notched Charpy, J 40
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 550
440
Tensile Strength: Ultimate (UTS), MPa 900
630
Tensile Strength: Yield (Proof), MPa 670
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
960
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.0
Embodied Energy, MJ/kg 21
43
Embodied Water, L/kg 63
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 27
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 26
14

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.060
Chromium (Cr), % 1.0 to 1.3
18 to 20
Iron (Fe), % 96.1 to 97.7
65.7 to 73.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
8.0 to 11
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015