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EN 1.7380 Steel vs. S42300 Stainless Steel

Both EN 1.7380 steel and S42300 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7380 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
9.1
Fatigue Strength, MPa 200 to 230
440
Impact Strength: V-Notched Charpy, J 31 to 35
13
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 330 to 350
650
Tensile Strength: Ultimate (UTS), MPa 540 to 550
1100
Tensile Strength: Yield (Proof), MPa 290 to 330
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 1430
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 8.7
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
9.5
Density, g/cm3 7.9
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) 5.6
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
93
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
1840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
39
Strength to Weight: Bending, points 19
30
Thermal Diffusivity, mm2/s 11
6.8
Thermal Shock Resistance, points 15 to 16
40

Alloy Composition

Carbon (C), % 0.080 to 0.14
0.27 to 0.32
Chromium (Cr), % 2.0 to 2.5
11 to 12
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
82 to 85.1
Manganese (Mn), % 0.4 to 0.8
1.0 to 1.4
Molybdenum (Mo), % 0.9 to 1.1
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3