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EN 1.8505 Steel vs. EN 1.4378 Stainless Steel

Both EN 1.8505 steel and EN 1.4378 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
14 to 34
Fatigue Strength, MPa 540
340 to 550
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 630
510 to 680
Tensile Strength: Ultimate (UTS), MPa 1050
760 to 1130
Tensile Strength: Yield (Proof), MPa 860
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.6
2.7
Embodied Energy, MJ/kg 22
39
Embodied Water, L/kg 65
150

Common Calculations

PREN (Pitting Resistance) 2.6
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
470 to 2370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
28 to 41
Strength to Weight: Bending, points 30
24 to 31
Thermal Shock Resistance, points 31
16 to 23

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.080
Chromium (Cr), % 1.5 to 1.8
17 to 19
Iron (Fe), % 95.4 to 97.1
61.2 to 69
Manganese (Mn), % 0.4 to 0.7
11.5 to 14.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030