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EN 1.7379 Steel vs. S42300 Stainless Steel

Both EN 1.7379 steel and S42300 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 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 EN 1.7379 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
9.1
Fatigue Strength, MPa 320
440
Impact Strength: V-Notched Charpy, J 45
13
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 670
1100
Tensile Strength: Yield (Proof), MPa 460
850

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 460
750
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.2
Embodied Energy, MJ/kg 23
44
Embodied Water, L/kg 59
110

Common Calculations

PREN (Pitting Resistance) 5.7
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
93
Resilience: Unit (Modulus of Resilience), kJ/m3 550
1840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
39
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 11
6.8
Thermal Shock Resistance, points 19
40

Alloy Composition

Carbon (C), % 0.13 to 0.2
0.27 to 0.32
Chromium (Cr), % 2.0 to 2.5
11 to 12
Iron (Fe), % 94.5 to 96.5
82 to 85.1
Manganese (Mn), % 0.5 to 0.9
1.0 to 1.4
Molybdenum (Mo), % 0.9 to 1.2
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3