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EN 1.0255 Steel vs. N08925 Stainless Steel

Both EN 1.0255 steel and N08925 stainless steel are iron alloys. They have 48% 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 1.0255 steel and the bottom bar is N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
45
Fatigue Strength, MPa 180
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 280
470
Tensile Strength: Ultimate (UTS), MPa 430
680
Tensile Strength: Yield (Proof), MPa 250
340

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
6.2
Embodied Energy, MJ/kg 19
84
Embodied Water, L/kg 49
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
250
Resilience: Unit (Modulus of Resilience), kJ/m3 160
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 11
3.5
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 0.020 to 0.2
0
Carbon (C), % 0 to 0.16
0 to 0.020
Chromium (Cr), % 0 to 0.3
19 to 21
Copper (Cu), % 0 to 0.3
0.8 to 1.5
Iron (Fe), % 94.1 to 99.98
42.7 to 50.1
Manganese (Mn), % 0 to 1.2
0 to 1.0
Molybdenum (Mo), % 0 to 0.080
6.0 to 7.0
Nickel (Ni), % 0 to 0.3
24 to 26
Niobium (Nb), % 0 to 0.010
0
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.040
0
Vanadium (V), % 0 to 0.020
0