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EN 1.0314 Steel vs. S42030 Stainless Steel

Both EN 1.0314 steel and S42030 stainless steel are iron alloys. They have 82% 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 1.0314 steel and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24 to 25
16
Fatigue Strength, MPa 140 to 220
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 200 to 250
410
Tensile Strength: Ultimate (UTS), MPa 320 to 400
670
Tensile Strength: Yield (Proof), MPa 190 to 310
410

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
780
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
28
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 18
34
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 87
92
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 250
440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11 to 14
24
Strength to Weight: Bending, points 13 to 15
22
Thermal Diffusivity, mm2/s 14
7.7
Thermal Shock Resistance, points 10 to 13
24

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 99.365 to 99.78
77.6 to 85
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030