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EN 1.4886 Stainless Steel vs. SAE-AISI 1045 Steel

Both EN 1.4886 stainless steel and SAE-AISI 1045 steel are iron alloys. They have 45% of their average alloy composition in common. There are 31 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 1.4886 stainless steel and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
13 to 18
Fatigue Strength, MPa 280
220 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 400
380 to 410
Tensile Strength: Ultimate (UTS), MPa 580
620 to 680
Tensile Strength: Yield (Proof), MPa 300
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.4
Embodied Energy, MJ/kg 76
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 230
300 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
22 to 24
Strength to Weight: Bending, points 19
21 to 22
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 14
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.15
0.43 to 0.5
Chromium (Cr), % 17 to 20
0
Iron (Fe), % 38.7 to 49
98.5 to 99
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Nickel (Ni), % 33 to 37
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050