MakeItFrom.com
Menu (ESC)

AISI 418 Stainless Steel vs. SAE-AISI 1037 Steel

Both AISI 418 stainless steel and SAE-AISI 1037 steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 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 AISI 418 stainless steel and the bottom bar is SAE-AISI 1037 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
160 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
14 to 20
Fatigue Strength, MPa 520
220 to 340
Poisson's Ratio 0.28
0.29
Reduction in Area, % 50
40 to 45
Shear Modulus, GPa 77
73
Shear Strength, MPa 680
360 to 390
Tensile Strength: Ultimate (UTS), MPa 1100
580 to 640
Tensile Strength: Yield (Proof), MPa 850
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1460
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 41
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
270 to 780
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
20 to 23
Strength to Weight: Bending, points 29
20 to 21
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 40
18 to 20

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.32 to 0.38
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 78.5 to 83.6
98.5 to 99
Manganese (Mn), % 0 to 0.5
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 2.5 to 3.5
0