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AISI 420 Stainless Steel vs. EN 1.0488 Steel

Both AISI 420 stainless steel and EN 1.0488 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 1.0488 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
27
Fatigue Strength, MPa 220 to 670
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 1010
280
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
440
Tensile Strength: Yield (Proof), MPa 380 to 1310
280

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
49
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
20
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
15
Strength to Weight: Bending, points 22 to 41
16
Thermal Diffusivity, mm2/s 7.3
13
Thermal Shock Resistance, points 25 to 62
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Carbon (C), % 0.15 to 0.4
0 to 0.16
Chromium (Cr), % 12 to 14
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82.3 to 87.9
96.6 to 99.38
Manganese (Mn), % 0 to 1.0
0.6 to 1.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.080
Nickel (Ni), % 0 to 0.75
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050