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EN 1.7380 Steel vs. S82012 Stainless Steel

Both EN 1.7380 steel and S82012 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7380 steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
40
Fatigue Strength, MPa 200 to 230
480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 330 to 350
550
Tensile Strength: Ultimate (UTS), MPa 540 to 550
800
Tensile Strength: Yield (Proof), MPa 290 to 330
560

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 460
950
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
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
11
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.4
Embodied Energy, MJ/kg 23
35
Embodied Water, L/kg 59
140

Common Calculations

PREN (Pitting Resistance) 5.6
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
290
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
29
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 15 to 16
23

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.050
Chromium (Cr), % 2.0 to 2.5
19 to 20.5
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 94.6 to 96.6
71.3 to 77.9
Manganese (Mn), % 0.4 to 0.8
2.0 to 4.0
Molybdenum (Mo), % 0.9 to 1.1
0.1 to 0.6
Nickel (Ni), % 0
0.8 to 1.5
Nitrogen (N), % 0 to 0.012
0.16 to 0.26
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.0050