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EN 1.7380 Steel vs. S31260 Stainless Steel

Both EN 1.7380 steel and S31260 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 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 S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
23
Fatigue Strength, MPa 200 to 230
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Shear Strength, MPa 330 to 350
500
Tensile Strength: Ultimate (UTS), MPa 540 to 550
790
Tensile Strength: Yield (Proof), MPa 290 to 330
540

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
16
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
2.5

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
3.9
Embodied Energy, MJ/kg 23
53
Embodied Water, L/kg 59
180

Common Calculations

PREN (Pitting Resistance) 5.6
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
160
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
720
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
28
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 15 to 16
22

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
24 to 26
Copper (Cu), % 0 to 0.3
0.2 to 0.8
Iron (Fe), % 94.6 to 96.6
59.6 to 67.6
Manganese (Mn), % 0.4 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
2.5 to 3.5
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0 to 0.012
0.1 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5