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EN 1.3551 Steel vs. EN 1.4886 Stainless Steel

Both EN 1.3551 steel and EN 1.4886 stainless steel are iron alloys. They have 48% 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 1.3551 steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 720
580

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 530
1100
Melting Completion (Liquidus), °C 1490
1390
Melting Onset (Solidus), °C 1450
1340
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 36
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.9
5.4
Embodied Energy, MJ/kg 71
76
Embodied Water, L/kg 82
190

Common Calculations

PREN (Pitting Resistance) 18
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 9.8
3.1
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0.77 to 0.85
0 to 0.15
Chromium (Cr), % 3.9 to 4.3
17 to 20
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
38.7 to 49
Manganese (Mn), % 0.15 to 0.35
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0