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EN 1.4571 Stainless Steel vs. EN 1.1158 Steel

Both EN 1.4571 stainless steel and EN 1.1158 steel are iron alloys. They have 68% 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 1.4571 stainless steel and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
23 to 24
Fatigue Strength, MPa 200 to 330
170 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410 to 550
300 to 320
Tensile Strength: Ultimate (UTS), MPa 600 to 900
470 to 500
Tensile Strength: Yield (Proof), MPa 230 to 570
240 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.4
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
150 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
17 to 18
Strength to Weight: Bending, points 20 to 26
17 to 18
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13 to 20
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0.22 to 0.29
Chromium (Cr), % 16.5 to 18.5
0 to 0.4
Iron (Fe), % 61.7 to 71
97.6 to 99.38
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.1
Nickel (Ni), % 10.5 to 13.5
0 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0 to 0.7
0

Comparable Variants