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EN 1.4570 Stainless Steel vs. SAE-AISI 5145 Steel

Both EN 1.4570 stainless steel and SAE-AISI 5145 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 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 1.4570 stainless steel and the bottom bar is SAE-AISI 5145 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 180
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 410
350
Tensile Strength: Ultimate (UTS), MPa 610
560
Tensile Strength: Yield (Proof), MPa 210
370

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
100
Resilience: Unit (Modulus of Resilience), kJ/m3 110
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 14
17

Alloy Composition

Carbon (C), % 0 to 0.080
0.43 to 0.48
Chromium (Cr), % 17 to 19
0.7 to 0.9
Copper (Cu), % 1.4 to 1.8
0
Iron (Fe), % 65 to 73.5
97.3 to 98
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0.15 to 0.35
0 to 0.040