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S42030 Stainless Steel vs. EN 1.8503 Steel

Both S42030 stainless steel and EN 1.8503 steel are iron alloys. They have 84% 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 S42030 stainless steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
16
Fatigue Strength, MPa 250
600
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 410
610
Tensile Strength: Ultimate (UTS), MPa 670
1000
Tensile Strength: Yield (Proof), MPa 410
910

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 780
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.3
Embodied Energy, MJ/kg 34
33
Embodied Water, L/kg 110
57

Common Calculations

PREN (Pitting Resistance) 20
3.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
150
Resilience: Unit (Modulus of Resilience), kJ/m3 440
2200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
35
Strength to Weight: Bending, points 22
28
Thermal Diffusivity, mm2/s 7.7
11
Thermal Shock Resistance, points 24
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.3
0.16 to 0.24
Chromium (Cr), % 12 to 14
1.2 to 1.5
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 77.6 to 85
95.8 to 97.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 1.0 to 3.0
0.65 to 0.8
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 0.035
Vanadium (V), % 0
0.25 to 0.35