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S44725 Stainless Steel vs. EN 1.3975 Stainless Steel

Both S44725 stainless steel and EN 1.3975 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S44725 stainless steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
27
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 500
660
Tensile Strength: Yield (Proof), MPa 310
320

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 3.1
3.3
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 33
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
150
Resilience: Unit (Modulus of Resilience), kJ/m3 240
270
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.050
Chromium (Cr), % 25 to 28.5
16 to 18
Iron (Fe), % 67.6 to 73.5
58.2 to 65.4
Manganese (Mn), % 0 to 0.4
7.0 to 9.0
Molybdenum (Mo), % 1.5 to 2.5
0 to 1.0
Nickel (Ni), % 0 to 0.3
8.0 to 9.0
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.040
3.5 to 4.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.26
0