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EN 1.4150 Stainless Steel vs. SAE-AISI 1070 Steel

Both EN 1.4150 stainless steel and SAE-AISI 1070 steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 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 EN 1.4150 stainless steel and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
10 to 13
Fatigue Strength, MPa 270
270 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 460
380 to 460
Tensile Strength: Ultimate (UTS), MPa 730
640 to 760
Tensile Strength: Yield (Proof), MPa 430
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 23
50
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.8
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 470
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23 to 27
Strength to Weight: Bending, points 24
21 to 24
Thermal Diffusivity, mm2/s 6.2
14
Thermal Shock Resistance, points 27
21 to 25

Alloy Composition

Carbon (C), % 0.45 to 0.6
0.65 to 0.75
Chromium (Cr), % 15 to 16.5
0
Iron (Fe), % 79 to 82.8
98.3 to 98.8
Manganese (Mn), % 0 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0 to 0.4
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.3 to 1.7
0
Sulfur (S), % 0 to 0.010
0 to 0.050
Vanadium (V), % 0.2 to 0.4
0