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EN 1.8958 Steel vs. EN 1.4466 Stainless Steel

Both EN 1.8958 steel and EN 1.4466 stainless steel are iron alloys. They have 51% 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 1.8958 steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
42
Fatigue Strength, MPa 150
250
Impact Strength: V-Notched Charpy, J 30
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 270
440
Tensile Strength: Ultimate (UTS), MPa 430
640
Tensile Strength: Yield (Proof), MPa 220
280

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
5.0
Embodied Energy, MJ/kg 19
70
Embodied Water, L/kg 50
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 13
14

Alloy Composition

Carbon (C), % 0 to 0.16
0 to 0.020
Chromium (Cr), % 0.35 to 0.85
24 to 26
Copper (Cu), % 0.2 to 0.6
0
Iron (Fe), % 96.5 to 99.3
45.6 to 52.9
Manganese (Mn), % 0.15 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0 to 0.7
21 to 23
Nitrogen (N), % 0 to 0.010
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.45
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.010