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EN 1.4658 Stainless Steel vs. EN 1.8507 Steel

Both EN 1.4658 stainless steel and EN 1.8507 steel are iron alloys. They have 59% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
16
Fatigue Strength, MPa 530
440
Impact Strength: V-Notched Charpy, J 110
40
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 580
550
Tensile Strength: Ultimate (UTS), MPa 900
900
Tensile Strength: Yield (Proof), MPa 730
670

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
41
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.6
Embodied Energy, MJ/kg 61
21
Embodied Water, L/kg 200
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
1210
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
32
Strength to Weight: Bending, points 26
27
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 24
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.030
0.3 to 0.37
Chromium (Cr), % 26 to 29
1.0 to 1.3
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
96.1 to 97.7
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 4.0 to 5.0
0.15 to 0.25
Nickel (Ni), % 5.5 to 9.5
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035