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EN 1.3551 Steel vs. EN 1.4630 Stainless Steel

Both EN 1.3551 steel and EN 1.4630 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.4630 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 720
480

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 530
800
Melting Completion (Liquidus), °C 1490
1440
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 36
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.9
2.5
Embodied Energy, MJ/kg 71
36
Embodied Water, L/kg 82
120

Common Calculations

PREN (Pitting Resistance) 18
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 9.8
7.5
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0.77 to 0.85
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
13 to 16
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 88.8 to 91.1
77.1 to 86.7
Manganese (Mn), % 0.15 to 0.35
0 to 1.0
Molybdenum (Mo), % 4.0 to 4.5
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.4
0.2 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.8
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0