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EN 1.4959 Stainless Steel vs. S45500 Stainless Steel

Both EN 1.4959 stainless steel and S45500 stainless steel are iron alloys. They have 66% 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 1.4959 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
3.4 to 11
Fatigue Strength, MPa 170
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 430
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 630
1370 to 1850
Tensile Strength: Yield (Proof), MPa 190
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 510
620
Maximum Temperature: Mechanical, °C 1090
760
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
3.8
Embodied Energy, MJ/kg 76
57
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 21
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
48 to 65
Strength to Weight: Bending, points 20
35 to 42
Thermal Shock Resistance, points 15
48 to 64

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0 to 0.050
Chromium (Cr), % 19 to 22
11 to 12.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
1.5 to 2.5
Iron (Fe), % 39.4 to 50.5
71.5 to 79.2
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 30 to 34
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0.25 to 0.65
0.8 to 1.4