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EN 1.4162 Stainless Steel vs. EN 1.8958 Steel

Both EN 1.4162 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 1.4162 stainless steel and the bottom bar is EN 1.8958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 32
19
Fatigue Strength, MPa 410
150
Impact Strength: V-Notched Charpy, J 77
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 520
270
Tensile Strength: Ultimate (UTS), MPa 780
430
Tensile Strength: Yield (Proof), MPa 520
220

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
70
Resilience: Unit (Modulus of Resilience), kJ/m3 690
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
15
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 21
13

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.16
Chromium (Cr), % 21 to 22
0.35 to 0.85
Copper (Cu), % 0.1 to 0.8
0.2 to 0.6
Iron (Fe), % 67.2 to 73.3
96.5 to 99.3
Manganese (Mn), % 4.0 to 6.0
0.15 to 0.7
Molybdenum (Mo), % 0.1 to 0.8
0
Nickel (Ni), % 1.4 to 1.9
0 to 0.7
Nitrogen (N), % 0.2 to 0.25
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.040