MakeItFrom.com
Menu (ESC)

SAE-AISI 1043 Steel vs. S40977 Stainless Steel

Both SAE-AISI 1043 steel and S40977 stainless steel are iron alloys. They have 87% 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 SAE-AISI 1043 steel and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 18
21
Fatigue Strength, MPa 230 to 390
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 400 to 430
320
Tensile Strength: Ultimate (UTS), MPa 650 to 710
510
Tensile Strength: Yield (Proof), MPa 350 to 600
310

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
720
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
27
Embodied Water, L/kg 46
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
92
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 980
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 25
18
Strength to Weight: Bending, points 21 to 22
18
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 21 to 22
18

Alloy Composition

Carbon (C), % 0.4 to 0.47
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Iron (Fe), % 98.4 to 98.9
83.9 to 89.2
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Nickel (Ni), % 0
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015