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SAE-AISI 1141 Steel vs. EN 1.4006 Stainless Steel

Both SAE-AISI 1141 steel and EN 1.4006 stainless steel are iron alloys. They have 87% 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 SAE-AISI 1141 steel and the bottom bar is EN 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
16 to 23
Fatigue Strength, MPa 270 to 430
150 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 460 to 480
370 to 460
Tensile Strength: Ultimate (UTS), MPa 740 to 810
590 to 750
Tensile Strength: Yield (Proof), MPa 400 to 700
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
740
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 47
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
99 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
140 to 660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 29
21 to 27
Strength to Weight: Bending, points 23 to 25
20 to 24
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 24 to 26
21 to 26

Alloy Composition

Carbon (C), % 0.37 to 0.45
0.080 to 0.15
Chromium (Cr), % 0
11.5 to 13.5
Iron (Fe), % 97.7 to 98.2
83.1 to 88.4
Manganese (Mn), % 1.4 to 1.7
0 to 1.5
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.080 to 0.13
0 to 0.015

Comparable Variants