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EN 1.4594 Stainless Steel vs. S45503 Stainless Steel

Both EN 1.4594 stainless steel and S45503 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4594 stainless steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
4.6 to 6.8
Fatigue Strength, MPa 490 to 620
710 to 800
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 620 to 700
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
1610 to 1850
Tensile Strength: Yield (Proof), MPa 810 to 1140
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 450
640
Maximum Temperature: Mechanical, °C 820
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.4
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 19
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 41
57 to 65
Strength to Weight: Bending, points 29 to 31
39 to 43
Thermal Shock Resistance, points 34 to 39
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 13 to 15
11 to 12.5
Copper (Cu), % 1.2 to 2.0
1.5 to 2.5
Iron (Fe), % 72.6 to 79.5
72.4 to 78.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 1.2 to 2.0
0 to 0.5
Nickel (Ni), % 5.0 to 6.0
7.5 to 9.5
Niobium (Nb), % 0.15 to 0.6
0.1 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 0.7
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4