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EN 1.4434 Stainless Steel vs. SAE-AISI 1025 Steel

Both EN 1.4434 stainless steel and SAE-AISI 1025 steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 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 1.4434 stainless steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 41
17 to 28
Fatigue Strength, MPa 270
190 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 450
290 to 310
Tensile Strength: Ultimate (UTS), MPa 660
450 to 500
Tensile Strength: Yield (Proof), MPa 310
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 21
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
1.4
Embodied Energy, MJ/kg 57
18
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
170 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
16 to 18
Strength to Weight: Bending, points 21
17 to 18
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.28
Chromium (Cr), % 16.5 to 19.5
0
Iron (Fe), % 59.2 to 69.9
99.03 to 99.48
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 10.5 to 14
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050