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S41050 Stainless Steel vs. EN 1.4512 Stainless Steel

Both S41050 stainless steel and EN 1.4512 stainless steel are iron alloys. Both are furnished in the annealed condition. Their average alloy composition is basically identical. 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 S41050 stainless steel and the bottom bar is EN 1.4512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
28
Fatigue Strength, MPa 160
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 300
310
Tensile Strength: Ultimate (UTS), MPa 470
470
Tensile Strength: Yield (Proof), MPa 230
240

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 720
720
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
25
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
6.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 27
27
Embodied Water, L/kg 97
95

Common Calculations

PREN (Pitting Resistance) 12
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 7.2
6.7
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 10.5 to 12.5
10.5 to 12.5
Iron (Fe), % 84.2 to 88.9
84.8 to 89.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0.6 to 1.1
0
Nitrogen (N), % 0 to 0.1
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 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.65