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EN 1.4606 Stainless Steel vs. S44725 Stainless Steel

Both EN 1.4606 stainless steel and S44725 stainless steel are iron alloys. They have 70% of their average alloy composition in common. 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 EN 1.4606 stainless steel and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23 to 39
22
Fatigue Strength, MPa 240 to 420
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
81
Shear Strength, MPa 410 to 640
320
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
500
Tensile Strength: Yield (Proof), MPa 280 to 630
310

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 770
500
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 26
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
3.1
Embodied Energy, MJ/kg 87
44
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 19
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
99
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 36
18
Strength to Weight: Bending, points 20 to 28
18
Thermal Diffusivity, mm2/s 3.7
4.6
Thermal Shock Resistance, points 21 to 35
16

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 13 to 16
25 to 28.5
Iron (Fe), % 49.2 to 59
67.6 to 73.5
Manganese (Mn), % 1.0 to 2.0
0 to 0.4
Molybdenum (Mo), % 1.0 to 1.5
1.5 to 2.5
Nickel (Ni), % 24 to 27
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.040
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 1.9 to 2.3
0 to 0.26
Vanadium (V), % 0.1 to 0.5
0