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SAE-AISI 1141 Steel vs. AISI 316L Stainless Steel

Both SAE-AISI 1141 steel and AISI 316L stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1141 steel and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
170 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
9.0 to 50
Fatigue Strength, MPa 270 to 430
170 to 450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 460 to 480
370 to 690
Tensile Strength: Ultimate (UTS), MPa 740 to 810
530 to 1160
Tensile Strength: Yield (Proof), MPa 400 to 700
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
93 to 1880
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 29
19 to 41
Strength to Weight: Bending, points 23 to 25
18 to 31
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 24 to 26
12 to 25

Alloy Composition

Carbon (C), % 0.37 to 0.45
0 to 0.030
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 97.7 to 98.2
62 to 72
Manganese (Mn), % 1.4 to 1.7
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0.080 to 0.13
0 to 0.030

Comparable Variants