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EN 1.4749 Stainless Steel vs. S45500 Stainless Steel

Both EN 1.4749 stainless steel and S45500 stainless steel are iron alloys. They have 83% 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 1.4749 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
3.4 to 11
Fatigue Strength, MPa 190
570 to 890
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 370
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 600
1370 to 1850
Tensile Strength: Yield (Proof), MPa 320
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
620
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 9.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
17
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.5
3.8
Embodied Energy, MJ/kg 36
57
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 31
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
45 to 190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
48 to 65
Strength to Weight: Bending, points 21
35 to 42
Thermal Shock Resistance, points 22
48 to 64

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.050
Chromium (Cr), % 26 to 29
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 68.5 to 73.7
71.5 to 79.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4