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EN 1.4558 Stainless Steel vs. SAE-AISI 1095 Steel

Both EN 1.4558 stainless steel and SAE-AISI 1095 steel are iron alloys. They have 44% 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 1.4558 stainless steel and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
10 to 11
Fatigue Strength, MPa 170
310 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 350
400 to 540
Tensile Strength: Ultimate (UTS), MPa 510
680 to 900
Tensile Strength: Yield (Proof), MPa 200
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
47
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.4
Embodied Energy, MJ/kg 77
19
Embodied Water, L/kg 200
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 100
660 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
24 to 32
Strength to Weight: Bending, points 18
22 to 26
Thermal Diffusivity, mm2/s 3.1
13
Thermal Shock Resistance, points 12
22 to 29

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0.9 to 1.0
Chromium (Cr), % 20 to 23
0
Iron (Fe), % 39.2 to 47.9
98.4 to 98.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Nickel (Ni), % 32 to 35
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0 to 0.6
0