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EN 1.4034 Stainless Steel vs. SAE-AISI 1080 Steel

Both EN 1.4034 stainless steel and SAE-AISI 1080 steel are iron alloys. They have 86% 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 1.4034 stainless steel and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
11
Fatigue Strength, MPa 230 to 400
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 420 to 540
460 to 520
Tensile Strength: Ultimate (UTS), MPa 690 to 900
770 to 870
Tensile Strength: Yield (Proof), MPa 390 to 730
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
610 to 920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 32
27 to 31
Strength to Weight: Bending, points 22 to 27
24 to 26
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 24 to 32
25 to 29

Alloy Composition

Carbon (C), % 0.43 to 0.5
0.75 to 0.88
Chromium (Cr), % 12.5 to 14.5
0
Iron (Fe), % 83 to 87.1
98.1 to 98.7
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050