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EN 1.6982 Stainless Steel vs. EN 1.8903 Steel

Both EN 1.6982 stainless steel and EN 1.8903 steel are iron alloys. They have 83% 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 1.6982 stainless steel and the bottom bar is EN 1.8903 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
19
Fatigue Strength, MPa 350
330
Impact Strength: V-Notched Charpy, J 56
58
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 800
630
Tensile Strength: Yield (Proof), MPa 570
480

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.8
Embodied Energy, MJ/kg 33
24
Embodied Water, L/kg 110
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 820
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 29
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.050
0 to 0.22
Chromium (Cr), % 12 to 13.5
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 78.7 to 84.5
95 to 99.05
Manganese (Mn), % 0 to 1.0
1.0 to 1.8
Molybdenum (Mo), % 0 to 0.7
0 to 0.13
Nickel (Ni), % 3.5 to 5.0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22