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EN 1.3551 Steel vs. EN 1.4980 Stainless Steel

Both EN 1.3551 steel and EN 1.4980 stainless steel are iron alloys. They have 60% 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 1.3551 steel and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 720
1030

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 530
920
Melting Completion (Liquidus), °C 1490
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 36
13
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.9
6.0
Embodied Energy, MJ/kg 71
87
Embodied Water, L/kg 82
170

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
36
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 9.8
3.5
Thermal Shock Resistance, points 21
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.77 to 0.85
0.030 to 0.080
Chromium (Cr), % 3.9 to 4.3
13.5 to 16
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
49.2 to 58.5
Manganese (Mn), % 0.15 to 0.35
1.0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0.1 to 0.5