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S44537 Stainless Steel vs. EN 1.4150 Stainless Steel

Both S44537 stainless steel and EN 1.4150 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S44537 stainless steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
20
Fatigue Strength, MPa 230
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 320
460
Tensile Strength: Ultimate (UTS), MPa 510
730
Tensile Strength: Yield (Proof), MPa 360
430

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 530
390
Maximum Temperature: Mechanical, °C 1000
840
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 21
23
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.5
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 50
42
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 26
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
120
Resilience: Unit (Modulus of Resilience), kJ/m3 320
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 5.6
6.2
Thermal Shock Resistance, points 17
27

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0.45 to 0.6
Chromium (Cr), % 20 to 24
15 to 16.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 69 to 78.6
79 to 82.8
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
0 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.5
0 to 0.4
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0.050 to 0.2
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0.1 to 0.6
1.3 to 1.7
Sulfur (S), % 0 to 0.0060
0 to 0.010
Titanium (Ti), % 0.020 to 0.2
0
Tungsten (W), % 1.0 to 3.0
0
Vanadium (V), % 0
0.2 to 0.4