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EN 1.4910 Stainless Steel vs. SAE-AISI 1045 Steel

Both EN 1.4910 stainless steel and SAE-AISI 1045 steel are iron alloys. They have 67% 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 1.4910 stainless steel and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 41
13 to 18
Fatigue Strength, MPa 250
220 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 450
380 to 410
Tensile Strength: Ultimate (UTS), MPa 650
620 to 680
Tensile Strength: Yield (Proof), MPa 290
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.4
Embodied Energy, MJ/kg 54
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 210
300 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
22 to 24
Strength to Weight: Bending, points 21
21 to 22
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 14
20 to 22

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0 to 0.040
0.43 to 0.5
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 62 to 69.9
98.5 to 99
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 12 to 14
0
Nitrogen (N), % 0.1 to 0.18
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0 to 0.050