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EN 1.4986 Stainless Steel vs. SAE-AISI 1212 Steel

Both EN 1.4986 stainless steel and SAE-AISI 1212 steel are iron alloys. They have 64% 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 EN 1.4986 stainless steel and the bottom bar is SAE-AISI 1212 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
11 to 28
Fatigue Strength, MPa 350
200 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 460
280 to 370
Tensile Strength: Ultimate (UTS), MPa 750
440 to 620
Tensile Strength: Yield (Proof), MPa 560
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 67
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
64 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 790
180 to 560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
15 to 22
Strength to Weight: Bending, points 23
16 to 20
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16
14 to 20

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0 to 0.13
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 59.4 to 66.6
98.5 to 99.07
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 1.6 to 2.0
0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0.070 to 0.12
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.030
0.16 to 0.23