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EN 1.6932 Steel vs. S41045 Stainless Steel

Both EN 1.6932 steel and S41045 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6932 steel and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
25
Fatigue Strength, MPa 460
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 540
280
Tensile Strength: Ultimate (UTS), MPa 900
430
Tensile Strength: Yield (Proof), MPa 720
230

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.2
Embodied Energy, MJ/kg 27
31
Embodied Water, L/kg 56
100

Common Calculations

PREN (Pitting Resistance) 2.7
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
16
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 12
7.8
Thermal Shock Resistance, points 26
16

Alloy Composition

Carbon (C), % 0.24 to 0.32
0 to 0.030
Chromium (Cr), % 1.0 to 1.5
12 to 13
Iron (Fe), % 94.5 to 96.4
83.8 to 88
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.35 to 0.55
0
Nickel (Ni), % 1.8 to 2.1
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030
Vanadium (V), % 0.050 to 0.15
0