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EN 1.4515 Stainless Steel vs. EN 1.7380 Steel

Both EN 1.4515 stainless steel and EN 1.7380 steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 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 1.4515 stainless steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
19 to 20
Fatigue Strength, MPa 380
200 to 230
Impact Strength: V-Notched Charpy, J 67
31 to 35
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 730
540 to 550
Tensile Strength: Yield (Proof), MPa 550
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.8
Embodied Energy, MJ/kg 53
23
Embodied Water, L/kg 180
59

Common Calculations

PREN (Pitting Resistance) 38
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 730
230 to 280
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
19 to 20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 20
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.14
Chromium (Cr), % 24.5 to 26.5
2.0 to 2.5
Copper (Cu), % 0.8 to 1.3
0 to 0.3
Iron (Fe), % 58.4 to 66.6
94.6 to 96.6
Manganese (Mn), % 0 to 2.0
0.4 to 0.8
Molybdenum (Mo), % 2.5 to 3.5
0.9 to 1.1
Nickel (Ni), % 5.5 to 7.0
0
Nitrogen (N), % 0.12 to 0.25
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010