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EN 1.8915 Steel vs. EN 1.4630 Stainless Steel

Both EN 1.8915 steel and EN 1.4630 stainless steel are iron alloys. They have 84% 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 1.8915 steel and the bottom bar is EN 1.4630 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
23
Fatigue Strength, MPa 340
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 400
300
Tensile Strength: Ultimate (UTS), MPa 640
480
Tensile Strength: Yield (Proof), MPa 490
250

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
800
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.5
Embodied Energy, MJ/kg 24
36
Embodied Water, L/kg 51
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
92
Resilience: Unit (Modulus of Resilience), kJ/m3 640
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 12
7.5
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 0.020 to 0.050
0 to 1.5
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 0.3
13 to 16
Copper (Cu), % 0 to 0.7
0 to 0.5
Iron (Fe), % 95.2 to 98.9
77.1 to 86.7
Manganese (Mn), % 1.1 to 1.7
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.8
0 to 0.5
Niobium (Nb), % 0 to 0.050
0 to 0.5
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.6
0.2 to 1.5
Sulfur (S), % 0 to 0.0080
0 to 0.050
Titanium (Ti), % 0 to 0.030
0.15 to 0.8
Vanadium (V), % 0 to 0.2
0