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AISI 420 Stainless Steel vs. EN 1.0434 Steel

Both AISI 420 stainless steel and EN 1.0434 steel are iron alloys. They have 86% 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 AISI 420 stainless steel and the bottom bar is EN 1.0434 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
110 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
12 to 28
Fatigue Strength, MPa 220 to 670
190 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 1010
280 to 330
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
390 to 540
Tensile Strength: Yield (Proof), MPa 380 to 1310
250 to 450

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 620
400
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
39 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
170 to 540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
14 to 19
Strength to Weight: Bending, points 22 to 41
15 to 19
Thermal Diffusivity, mm2/s 7.3
14
Thermal Shock Resistance, points 25 to 62
12 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.15 to 0.4
0.15 to 0.19
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 82.3 to 87.9
98.8 to 99.18
Manganese (Mn), % 0 to 1.0
0.65 to 0.85
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.025