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EN 1.4509 Stainless Steel vs. SAE-AISI 1095 Steel

Both EN 1.4509 stainless steel and SAE-AISI 1095 steel are iron alloys. They have 80% 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 1.4509 stainless steel and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
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 330
400 to 540
Tensile Strength: Ultimate (UTS), MPa 530
680 to 900
Tensile Strength: Yield (Proof), MPa 260
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
47
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
11

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 41
19
Embodied Water, L/kg 120
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 180
660 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
24 to 32
Strength to Weight: Bending, points 19
22 to 26
Thermal Diffusivity, mm2/s 6.8
13
Thermal Shock Resistance, points 19
22 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.9 to 1.0
Chromium (Cr), % 17.5 to 18.5
0
Iron (Fe), % 77.8 to 82.1
98.4 to 98.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Niobium (Nb), % 0.3 to 1.0
0
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
Titanium (Ti), % 0.1 to 0.6
0