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S30600 Stainless Steel vs. SAE-AISI 4012 Steel

Both S30600 stainless steel and SAE-AISI 4012 steel are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 4012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
23
Fatigue Strength, MPa 250
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 430
270
Tensile Strength: Ultimate (UTS), MPa 610
420
Tensile Strength: Yield (Proof), MPa 270
220

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
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.1
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
82
Resilience: Unit (Modulus of Resilience), kJ/m3 190
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.018
0.090 to 0.14
Chromium (Cr), % 17 to 18.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.9 to 65.3
98.2 to 98.9
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.2
0.15 to 0.25
Nickel (Ni), % 14 to 15.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 3.7 to 4.3
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040