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EN 1.4318 Stainless Steel vs. EN 1.8895 Steel

Both EN 1.4318 stainless steel and EN 1.8895 steel are iron alloys. They have 75% 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 1.4318 stainless steel and the bottom bar is EN 1.8895 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
26
Fatigue Strength, MPa 340
220
Impact Strength: V-Notched Charpy, J 85
46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520
260
Tensile Strength: Ultimate (UTS), MPa 740
400
Tensile Strength: Yield (Proof), MPa 380
300

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
96
Resilience: Unit (Modulus of Resilience), kJ/m3 360
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
14
Strength to Weight: Bending, points 23
15
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.030
0 to 0.13
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 70.2 to 77.4
97 to 99.98
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 6.0 to 8.0
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.1 to 0.2
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.080