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EN 1.8550 Steel vs. EN 1.4596 Stainless Steel

Both EN 1.8550 steel and EN 1.4596 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.8550 steel and the bottom bar is EN 1.4596 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 1000
1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
790
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.5
Embodied Energy, MJ/kg 23
48
Embodied Water, L/kg 67
130

Common Calculations

PREN (Pitting Resistance) 2.3
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
36 to 56
Strength to Weight: Bending, points 29
29 to 39
Thermal Shock Resistance, points 29
35 to 54

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0.8 to 1.1
Carbon (C), % 0.3 to 0.37
0 to 0.015
Chromium (Cr), % 1.5 to 1.8
11.5 to 12.5
Iron (Fe), % 94.4 to 96.3
73.4 to 76.4
Manganese (Mn), % 0.4 to 0.7
0 to 0.1
Molybdenum (Mo), % 0.15 to 0.25
1.9 to 2.2
Nickel (Ni), % 0.85 to 1.2
9.2 to 10.2
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.035
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.4