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EN 1.4595 Stainless Steel vs. SAE-AISI 1042 Steel

Both EN 1.4595 stainless steel and SAE-AISI 1042 steel are iron alloys. They have 84% 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 1.4595 stainless steel and the bottom bar is SAE-AISI 1042 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
14 to 18
Fatigue Strength, MPa 180
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 310
380 to 420
Tensile Strength: Ultimate (UTS), MPa 470
620 to 700
Tensile Strength: Yield (Proof), MPa 250
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 810
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 34
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
87 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 150
320 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
22 to 25
Strength to Weight: Bending, points 17
21 to 22
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 17
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.020
0.4 to 0.47
Chromium (Cr), % 14 to 16
0
Iron (Fe), % 81.3 to 85.8
98.5 to 99
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Niobium (Nb), % 0.2 to 0.6
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050