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EN 1.4634 Stainless Steel vs. SAE-AISI 1012 Steel

Both EN 1.4634 stainless steel and SAE-AISI 1012 steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 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 1.4634 stainless steel and the bottom bar is SAE-AISI 1012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
21 to 31
Fatigue Strength, MPa 180
150 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
230 to 250
Tensile Strength: Ultimate (UTS), MPa 540
360 to 400
Tensile Strength: Yield (Proof), MPa 280
200 to 330

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
53
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 42
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
80 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 200
110 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
13 to 14
Strength to Weight: Bending, points 19
14 to 15
Thermal Diffusivity, mm2/s 5.8
14
Thermal Shock Resistance, points 19
11 to 13

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0
Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 17.5 to 18.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 74.9 to 81.8
99.16 to 99.6
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.2 to 1.5
0
Sulfur (S), % 0 to 0.050
0 to 0.050