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EN 1.6570 Steel vs. S41425 Stainless Steel

Both EN 1.6570 steel and S41425 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6570 steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
280
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
17
Fatigue Strength, MPa 500 to 660
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
920
Tensile Strength: Yield (Proof), MPa 760 to 1060
750

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
13
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 23
40
Embodied Water, L/kg 56
120

Common Calculations

PREN (Pitting Resistance) 2.5
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
1420
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32 to 40
33
Strength to Weight: Bending, points 27 to 31
27
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 27 to 33
33

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.050
Chromium (Cr), % 1.0 to 1.4
12 to 15
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 94 to 96.2
74 to 81.9
Manganese (Mn), % 0.6 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 0.3 to 0.5
1.5 to 2.0
Nickel (Ni), % 1.6 to 2.1
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050

Comparable Variants