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EN 1.4980 Stainless Steel vs. S33550 Stainless Steel

Both EN 1.4980 stainless steel and S33550 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4980 stainless steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
40
Fatigue Strength, MPa 410
270
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Shear Strength, MPa 630
470
Tensile Strength: Ultimate (UTS), MPa 1030
680
Tensile Strength: Yield (Proof), MPa 680
310

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 780
470
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
4.3
Embodied Energy, MJ/kg 87
61
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 19
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
24
Strength to Weight: Bending, points 28
22
Thermal Diffusivity, mm2/s 3.5
3.9
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 13.5 to 16
25 to 28
Iron (Fe), % 49.2 to 58.5
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 1.0 to 2.0
0 to 1.5
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0