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S35135 Stainless Steel vs. SAE-AISI 1140 Steel

Both S35135 stainless steel and SAE-AISI 1140 steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S35135 stainless steel and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
14 to 18
Fatigue Strength, MPa 180
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 390
370 to 420
Tensile Strength: Ultimate (UTS), MPa 590
600 to 700
Tensile Strength: Yield (Proof), MPa 230
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.8
1.4
Embodied Energy, MJ/kg 94
18
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 130
310 to 870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
21 to 25
Strength to Weight: Bending, points 19
20 to 22
Thermal Shock Resistance, points 13
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.080
0.37 to 0.44
Chromium (Cr), % 20 to 25
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 28.3 to 45
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 4.0 to 4.8
0
Nickel (Ni), % 30 to 38
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.6 to 1.0
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13
Titanium (Ti), % 0.4 to 1.0
0