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EN 1.7380 Steel vs. S35315 Stainless Steel

Both EN 1.7380 steel and S35315 stainless steel are iron alloys. They have 40% 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 S35315 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
46
Fatigue Strength, MPa 200 to 230
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 330 to 350
520
Tensile Strength: Ultimate (UTS), MPa 540 to 550
740
Tensile Strength: Yield (Proof), MPa 290 to 330
300

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1370
Melting Onset (Solidus), °C 1430
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
34
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
5.7
Embodied Energy, MJ/kg 23
81
Embodied Water, L/kg 59
220

Common Calculations

PREN (Pitting Resistance) 5.6
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
270
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 15 to 16
17

Alloy Composition

Carbon (C), % 0.080 to 0.14
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 2.0 to 2.5
24 to 26
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
33.6 to 40.6
Manganese (Mn), % 0.4 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0 to 0.012
0.12 to 0.18
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
1.2 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.030