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EN 1.4951 Stainless Steel vs. SAE-AISI 1012 Steel

Both EN 1.4951 stainless steel and SAE-AISI 1012 steel are iron alloys. They have 54% 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 1.4951 stainless steel and the bottom bar is SAE-AISI 1012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
21 to 31
Fatigue Strength, MPa 190
150 to 230
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
230 to 250
Tensile Strength: Ultimate (UTS), MPa 630
360 to 400
Tensile Strength: Yield (Proof), MPa 220
200 to 330

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 61
18
Embodied Water, L/kg 190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
80 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 130
110 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
13 to 14
Strength to Weight: Bending, points 21
14 to 15
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 14
11 to 13

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.1 to 0.15
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 49.1 to 57
99.16 to 99.6
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0 to 0.050