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EN 1.4872 Stainless Steel vs. S44725 Stainless Steel

Both EN 1.4872 stainless steel and S44725 stainless steel are iron alloys. They have 83% 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 EN 1.4872 stainless steel and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
22
Fatigue Strength, MPa 410
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
81
Shear Strength, MPa 620
320
Tensile Strength: Ultimate (UTS), MPa 950
500
Tensile Strength: Yield (Proof), MPa 560
310

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
500
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 30
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
99
Resilience: Unit (Modulus of Resilience), kJ/m3 780
240
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
18
Strength to Weight: Bending, points 28
18
Thermal Diffusivity, mm2/s 3.9
4.6
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.015
Chromium (Cr), % 24 to 26
25 to 28.5
Iron (Fe), % 54.2 to 61.6
67.6 to 73.5
Manganese (Mn), % 8.0 to 10
0 to 0.4
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 6.0 to 8.0
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0.2 to 0.4
0 to 0.018
Phosphorus (P), % 0 to 0.045
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), % 0
0 to 0.26