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EN 1.7380 Steel vs. S38100 Stainless Steel

Both EN 1.7380 steel and S38100 stainless steel are iron alloys. They have 64% 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 S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
45
Fatigue Strength, MPa 200 to 230
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 330 to 350
400
Tensile Strength: Ultimate (UTS), MPa 540 to 550
580
Tensile Strength: Yield (Proof), MPa 290 to 330
230

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 460
970
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.8
Embodied Energy, MJ/kg 23
54
Embodied Water, L/kg 59
160

Common Calculations

PREN (Pitting Resistance) 5.6
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
210
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 15 to 16
13

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.080
Chromium (Cr), % 2.0 to 2.5
17 to 19
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
57.9 to 64
Manganese (Mn), % 0.4 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
1.5 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.030