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EN 1.4980 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4980 stainless steel and EN 1.8505 steel are iron alloys. They have 57% 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 1.4980 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
13
Fatigue Strength, MPa 410
540
Impact Strength: V-Notched Charpy, J 57
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 630
630
Tensile Strength: Ultimate (UTS), MPa 1030
1050
Tensile Strength: Yield (Proof), MPa 680
860

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 920
440
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.6
Embodied Energy, MJ/kg 87
22
Embodied Water, L/kg 170
65

Common Calculations

PREN (Pitting Resistance) 19
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
37
Strength to Weight: Bending, points 28
30
Thermal Diffusivity, mm2/s 3.5
11
Thermal Shock Resistance, points 22
31

Alloy Composition

Aluminum (Al), % 0 to 0.35
0.8 to 1.2
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0.28 to 0.35
Chromium (Cr), % 13.5 to 16
1.5 to 1.8
Iron (Fe), % 49.2 to 58.5
95.4 to 97.1
Manganese (Mn), % 1.0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 1.0 to 1.5
0.2 to 0.4
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0