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EN 1.8902 Steel vs. EN 1.4469 Stainless Steel

Both EN 1.8902 steel and EN 1.4469 stainless steel are iron alloys. They have 63% 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 1.8902 steel and the bottom bar is EN 1.4469 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
25
Fatigue Strength, MPa 290
380
Impact Strength: V-Notched Charpy, J 58
56
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 600
740
Tensile Strength: Yield (Proof), MPa 420
550

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.1
Embodied Energy, MJ/kg 24
57
Embodied Water, L/kg 51
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 470
730
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 12
4.6
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0 to 0.22
0 to 0.030
Chromium (Cr), % 0 to 0.35
25 to 27
Copper (Cu), % 0 to 0.6
0 to 1.3
Iron (Fe), % 95 to 99.05
56.4 to 65.9
Manganese (Mn), % 1.0 to 1.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.13
3.0 to 5.0
Nickel (Ni), % 0 to 0.85
6.0 to 8.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0.12 to 0.22
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.22
0