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S44725 Stainless Steel vs. EN 1.4325 Stainless Steel

Both S44725 stainless steel and EN 1.4325 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 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 S44725 stainless steel and the bottom bar is EN 1.4325 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
45
Fatigue Strength, MPa 210
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 320
450
Tensile Strength: Ultimate (UTS), MPa 500
650
Tensile Strength: Yield (Proof), MPa 310
210

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 44
42
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 33
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
230
Resilience: Unit (Modulus of Resilience), kJ/m3 240
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.015
0.030 to 0.15
Chromium (Cr), % 25 to 28.5
17 to 19
Iron (Fe), % 67.6 to 73.5
67.8 to 75
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 0 to 0.3
8.0 to 10
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.040
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.26
0