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EN 1.4325 Stainless Steel vs. EN 1.8946 Steel

Both EN 1.4325 stainless steel and EN 1.8946 steel are iron alloys. They have 74% 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 1.4325 stainless steel and the bottom bar is EN 1.8946 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
16
Fatigue Strength, MPa 190
260
Impact Strength: V-Notched Charpy, J 91
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 450
350
Tensile Strength: Ultimate (UTS), MPa 650
580
Tensile Strength: Yield (Proof), MPa 210
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
420
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 16
43
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 140
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
82
Resilience: Unit (Modulus of Resilience), kJ/m3 110
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0.030 to 0.15
0 to 0.15
Chromium (Cr), % 17 to 19
0.25 to 1.4
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 67.8 to 75
94.8 to 99.5
Manganese (Mn), % 0 to 2.0
0 to 1.1
Nickel (Ni), % 8.0 to 10
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
Phosphorus (P), % 0 to 0.045
0.050 to 0.16
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0
0 to 0.12
Vanadium (V), % 0
0 to 0.14