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S44725 Stainless Steel vs. SAE-AISI 1212 Steel

Both S44725 stainless steel and SAE-AISI 1212 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S44725 stainless steel and the bottom bar is SAE-AISI 1212 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
11 to 28
Fatigue Strength, MPa 210
200 to 290
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 320
280 to 370
Tensile Strength: Ultimate (UTS), MPa 500
440 to 620
Tensile Strength: Yield (Proof), MPa 310
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
64 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
180 to 560
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
15 to 22
Strength to Weight: Bending, points 18
16 to 20
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 16
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.13
Chromium (Cr), % 25 to 28.5
0
Iron (Fe), % 67.6 to 73.5
98.5 to 99.07
Manganese (Mn), % 0 to 0.4
0.7 to 1.0
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0.070 to 0.12
Silicon (Si), % 0 to 0.040
0
Sulfur (S), % 0 to 0.020
0.16 to 0.23
Titanium (Ti), % 0 to 0.26
0