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EN 1.7380 Steel vs. S32808 Stainless Steel

Both EN 1.7380 steel and S32808 stainless steel are iron alloys. They have 65% 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 1.7380 steel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19 to 20
17
Fatigue Strength, MPa 200 to 230
350
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Shear Strength, MPa 330 to 350
480
Tensile Strength: Ultimate (UTS), MPa 540 to 550
780
Tensile Strength: Yield (Proof), MPa 290 to 330
570

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
24
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
4.0
Embodied Energy, MJ/kg 23
57
Embodied Water, L/kg 59
180

Common Calculations

PREN (Pitting Resistance) 5.6
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 15 to 16
21

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
27 to 27.9
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
58.1 to 62.8
Manganese (Mn), % 0.4 to 0.8
0 to 1.1
Molybdenum (Mo), % 0.9 to 1.1
0.8 to 1.2
Nickel (Ni), % 0
7.0 to 8.2
Nitrogen (N), % 0 to 0.012
0.3 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5