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EN 1.4571 Stainless Steel vs. EN 1.7715 Steel

Both EN 1.4571 stainless steel and EN 1.7715 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 1.4571 stainless steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
21
Fatigue Strength, MPa 200 to 330
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410 to 550
340
Tensile Strength: Ultimate (UTS), MPa 600 to 900
540
Tensile Strength: Yield (Proof), MPa 230 to 570
340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
420
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
2.2
Embodied Energy, MJ/kg 54
30
Embodied Water, L/kg 150
52

Common Calculations

PREN (Pitting Resistance) 25
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
99
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
19
Strength to Weight: Bending, points 20 to 26
19
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.080
0.1 to 0.15
Chromium (Cr), % 16.5 to 18.5
0.3 to 0.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.7 to 71
96.5 to 98.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.0 to 2.5
0.5 to 0.7
Nickel (Ni), % 10.5 to 13.5
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.7
0
Vanadium (V), % 0
0.22 to 0.28