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EN 1.4460 Stainless Steel vs. EN 1.7225 Steel

Both EN 1.4460 stainless steel and EN 1.7225 steel are iron alloys. They have 67% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4460 stainless steel and the bottom bar is EN 1.7225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 750
540 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 48
20
Embodied Water, L/kg 180
51

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
19 to 65
Strength to Weight: Bending, points 24
19 to 43
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 20
16 to 54

Alloy Composition

Carbon (C), % 0 to 0.050
0.38 to 0.45
Chromium (Cr), % 25 to 28
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.2 to 69.2
96.6 to 98
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 1.3 to 2.0
0.15 to 0.3
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035