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S30600 Stainless Steel vs. SAE-AISI 1140 Steel

Both S30600 stainless steel and SAE-AISI 1140 steel are iron alloys. They have 63% 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 S30600 stainless steel and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
14 to 18
Fatigue Strength, MPa 250
230 to 370
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
39 to 46
Shear Modulus, GPa 76
72
Shear Strength, MPa 430
370 to 420
Tensile Strength: Ultimate (UTS), MPa 610
600 to 700
Tensile Strength: Yield (Proof), MPa 270
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 190
310 to 870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21 to 25
Strength to Weight: Bending, points 21
20 to 22
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 14
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.018
0.37 to 0.44
Chromium (Cr), % 17 to 18.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.9 to 65.3
98.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 14 to 15.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 3.7 to 4.3
0
Sulfur (S), % 0 to 0.020
0.080 to 0.13