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EN 1.4872 Stainless Steel vs. EN 1.3551 Steel

Both EN 1.4872 stainless steel and EN 1.3551 steel are iron alloys. They have 63% of their average alloy composition in common. There are 26 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 1.4872 stainless steel and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 950
720

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1150
530
Melting Completion (Liquidus), °C 1390
1490
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.0
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.3
4.9
Embodied Energy, MJ/kg 47
71
Embodied Water, L/kg 180
82

Common Calculations

PREN (Pitting Resistance) 30
18
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 35
26
Strength to Weight: Bending, points 28
23
Thermal Diffusivity, mm2/s 3.9
9.8
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.77 to 0.85
Chromium (Cr), % 24 to 26
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 54.2 to 61.6
88.8 to 91.1
Manganese (Mn), % 8.0 to 10
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1