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EN 1.4581 Stainless Steel vs. S45503 Stainless Steel

Both EN 1.4581 stainless steel and S45503 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, 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 S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
4.6 to 6.8
Fatigue Strength, MPa 150
710 to 800
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 510
1610 to 1850
Tensile Strength: Yield (Proof), MPa 210
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 490
640
Maximum Temperature: Mechanical, °C 990
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 21
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 59
48
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
57 to 65
Strength to Weight: Bending, points 18
39 to 43
Thermal Shock Resistance, points 12
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 18 to 20
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 61.4 to 71
72.4 to 78.9
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.5
Nickel (Ni), % 9.0 to 12
7.5 to 9.5
Niobium (Nb), % 0 to 1.0
0.1 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.5
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4