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EN 1.7709 Steel vs. S45503 Stainless Steel

Both EN 1.7709 steel and S45503 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 650 to 780
1610 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
760
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.3
3.4
Embodied Energy, MJ/kg 32
48
Embodied Water, L/kg 56
120

Common Calculations

PREN (Pitting Resistance) 3.6
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 27
57 to 65
Strength to Weight: Bending, points 21 to 24
39 to 43
Thermal Shock Resistance, points 22 to 26
56 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Carbon (C), % 0.17 to 0.25
0 to 0.010
Chromium (Cr), % 1.2 to 1.5
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 95.2 to 97.5
72.4 to 78.9
Manganese (Mn), % 0.4 to 0.8
0 to 0.5
Molybdenum (Mo), % 0.55 to 0.8
0 to 0.5
Nickel (Ni), % 0 to 0.6
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4
Vanadium (V), % 0.2 to 0.35
0