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EN 1.4581 Stainless Steel vs. S44735 Stainless Steel

Both EN 1.4581 stainless steel and S44735 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4581 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
21
Fatigue Strength, MPa 150
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
82
Tensile Strength: Ultimate (UTS), MPa 510
630
Tensile Strength: Yield (Proof), MPa 210
460

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 490
650
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 21
21
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.2
4.4
Embodied Energy, MJ/kg 59
61
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 26
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 18 to 20
28 to 30
Iron (Fe), % 61.4 to 71
60.7 to 68.4
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
3.6 to 4.2
Nickel (Ni), % 9.0 to 12
0 to 1.0
Niobium (Nb), % 0 to 1.0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0