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S31254 Stainless Steel vs. SAE-AISI 1212 Steel

Both S31254 stainless steel and SAE-AISI 1212 steel are iron alloys. They have 54% 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 S31254 stainless steel and the bottom bar is SAE-AISI 1212 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 28
Fatigue Strength, MPa 290
200 to 290
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
39 to 51
Shear Modulus, GPa 80
73
Shear Strength, MPa 490
280 to 370
Tensile Strength: Ultimate (UTS), MPa 720
440 to 620
Tensile Strength: Yield (Proof), MPa 330
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.4
Embodied Energy, MJ/kg 74
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
64 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
180 to 560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
15 to 22
Strength to Weight: Bending, points 22
16 to 20
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 15
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.13
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51.4 to 56.3
98.5 to 99.07
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
0
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0.070 to 0.12
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.010
0.16 to 0.23