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EN 1.4571 Stainless Steel vs. EN 1.4112 Stainless Steel

Both EN 1.4571 stainless steel and EN 1.4112 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 1.4112 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
20
Fatigue Strength, MPa 200 to 330
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 410 to 550
470
Tensile Strength: Ultimate (UTS), MPa 600 to 900
750
Tensile Strength: Yield (Proof), MPa 230 to 570
430

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 480
400
Maximum Temperature: Mechanical, °C 950
910
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 54
37
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 25
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
27
Strength to Weight: Bending, points 20 to 26
24
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 13 to 20
26

Alloy Composition

Carbon (C), % 0 to 0.080
0.85 to 1.0
Chromium (Cr), % 16.5 to 18.5
17 to 19
Iron (Fe), % 61.7 to 71
76.6 to 81.2
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0.9 to 1.3
Nickel (Ni), % 10.5 to 13.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.7
0
Vanadium (V), % 0
0.070 to 0.12