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EN 1.4539 Stainless Steel vs. EN 1.7715 Steel

Both EN 1.4539 stainless steel and EN 1.7715 steel are iron alloys. They have 50% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4539 stainless steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
21
Fatigue Strength, MPa 220
240
Impact Strength: V-Notched Charpy, J 90
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
340
Tensile Strength: Ultimate (UTS), MPa 630
540
Tensile Strength: Yield (Proof), MPa 260
340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.9
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.7
2.2
Embodied Energy, MJ/kg 78
30
Embodied Water, L/kg 200
52

Common Calculations

PREN (Pitting Resistance) 36
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
99
Resilience: Unit (Modulus of Resilience), kJ/m3 160
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.020
0.1 to 0.15
Chromium (Cr), % 19 to 21
0.3 to 0.6
Copper (Cu), % 1.2 to 2.0
0 to 0.3
Iron (Fe), % 43.1 to 51.8
96.5 to 98.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 4.0 to 5.0
0.5 to 0.7
Nickel (Ni), % 24 to 26
0 to 0.3
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28