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EN 1.4568 Stainless Steel vs. SAE-AISI 1074 Steel

Both EN 1.4568 stainless steel and SAE-AISI 1074 steel are iron alloys. They have 74% 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 1.4568 stainless steel and the bottom bar is SAE-AISI 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.3 to 21
11 to 14
Fatigue Strength, MPa 220 to 670
290 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 520 to 930
440 to 490
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
740 to 820
Tensile Strength: Yield (Proof), MPa 330 to 1490
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
550 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 58
26 to 29
Strength to Weight: Bending, points 25 to 40
23 to 25
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 23 to 46
24 to 26

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0.7 to 0.8
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 70.9 to 76.8
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Nickel (Ni), % 6.5 to 7.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0 to 0.050