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EN 1.6570 Steel vs. S41041 Stainless Steel

Both EN 1.6570 steel and S41041 stainless steel are iron alloys. They have 89% 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 1.6570 steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
17
Fatigue Strength, MPa 500 to 660
350
Impact Strength: V-Notched Charpy, J 40 to 48
31
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
910
Tensile Strength: Yield (Proof), MPa 760 to 1060
580

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
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.2
Embodied Energy, MJ/kg 23
31
Embodied Water, L/kg 56
100

Common Calculations

PREN (Pitting Resistance) 2.5
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32 to 40
32
Strength to Weight: Bending, points 27 to 31
27
Thermal Diffusivity, mm2/s 11
7.8
Thermal Shock Resistance, points 27 to 33
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.28 to 0.35
0.13 to 0.18
Chromium (Cr), % 1.0 to 1.4
11.5 to 13
Iron (Fe), % 94 to 96.2
84.5 to 87.8
Manganese (Mn), % 0.6 to 1.0
0.4 to 0.6
Molybdenum (Mo), % 0.3 to 0.5
0 to 0.2
Nickel (Ni), % 1.6 to 2.1
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030