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EN 1.4571 Stainless Steel vs. EN 1.4611 Stainless Steel

Both EN 1.4571 stainless steel and EN 1.4611 stainless steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4571 stainless steel and the bottom bar is EN 1.4611 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
21
Fatigue Strength, MPa 200 to 330
180
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
78
Shear Strength, MPa 410 to 550
330
Tensile Strength: Ultimate (UTS), MPa 600 to 900
530
Tensile Strength: Yield (Proof), MPa 230 to 570
280

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 480
530
Maximum Temperature: Mechanical, °C 950
970
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.5
Embodied Energy, MJ/kg 54
36
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 25
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
91
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
19
Strength to Weight: Bending, points 20 to 26
19
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 13 to 20
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
19 to 22
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.7 to 71
73.3 to 80.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.5
Nickel (Ni), % 10.5 to 13.5
0 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0 to 0.7
0.2 to 1.0