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EN 1.4980 Stainless Steel vs. EN 1.4404 Stainless Steel

Both EN 1.4980 stainless steel and EN 1.4404 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 EN 1.4404 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
14 to 43
Fatigue Strength, MPa 410
220 to 320
Impact Strength: V-Notched Charpy, J 57
91 to 93
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 630
420 to 550
Tensile Strength: Ultimate (UTS), MPa 1030
600 to 900
Tensile Strength: Yield (Proof), MPa 680
240 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 780
410
Maximum Temperature: Mechanical, °C 920
950
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 26
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
3.8
Embodied Energy, MJ/kg 87
52
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
140 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
21 to 32
Strength to Weight: Bending, points 28
20 to 26
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 22
13 to 20

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 to 0.030
Chromium (Cr), % 13.5 to 16
16.5 to 18.5
Iron (Fe), % 49.2 to 58.5
62.8 to 71.5
Manganese (Mn), % 1.0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.5
2.0 to 2.5
Nickel (Ni), % 24 to 27
10 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0