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AISI 302B Stainless Steel vs. SAE-AISI 1012 Steel

Both AISI 302B stainless steel and SAE-AISI 1012 steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 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 AISI 302B stainless steel and the bottom bar is SAE-AISI 1012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
21 to 31
Fatigue Strength, MPa 210
150 to 230
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
45 to 57
Shear Modulus, GPa 76
73
Shear Strength, MPa 410
230 to 250
Tensile Strength: Ultimate (UTS), MPa 580
360 to 400
Tensile Strength: Yield (Proof), MPa 230
200 to 330

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
80 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
13 to 14
Strength to Weight: Bending, points 20
14 to 15
Thermal Diffusivity, mm2/s 4.4
14
Thermal Shock Resistance, points 13
11 to 13

Alloy Composition

Carbon (C), % 0 to 0.15
0.1 to 0.15
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 65.7 to 73
99.16 to 99.6
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 2.0 to 3.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050