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EN 1.4597 Stainless Steel vs. EN 1.8958 Steel

Both EN 1.4597 stainless steel and EN 1.8958 steel are iron alloys. They have 72% 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 1.4597 stainless steel and the bottom bar is EN 1.8958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
19
Fatigue Strength, MPa 300
150
Impact Strength: V-Notched Charpy, J 90
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 470
270
Tensile Strength: Ultimate (UTS), MPa 680
430
Tensile Strength: Yield (Proof), MPa 330
220

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 860
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 36
19
Embodied Water, L/kg 140
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
70
Resilience: Unit (Modulus of Resilience), kJ/m3 280
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.16
Chromium (Cr), % 15 to 18
0.35 to 0.85
Copper (Cu), % 2.0 to 3.5
0.2 to 0.6
Iron (Fe), % 63 to 76.4
96.5 to 99.3
Manganese (Mn), % 6.5 to 9.0
0.15 to 0.7
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.7
Nitrogen (N), % 0.1 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.040