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EN 1.4980 Stainless Steel vs. AISI 431 Stainless Steel

Both EN 1.4980 stainless steel and AISI 431 stainless steel are iron alloys. They have 72% 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 AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
15 to 17
Fatigue Strength, MPa 410
430 to 610
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 630
550 to 840
Tensile Strength: Ultimate (UTS), MPa 1030
890 to 1380
Tensile Strength: Yield (Proof), MPa 680
710 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 780
400
Maximum Temperature: Mechanical, °C 920
850
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.2
Embodied Energy, MJ/kg 87
31
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
1270 to 2770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
32 to 50
Strength to Weight: Bending, points 28
27 to 36
Thermal Diffusivity, mm2/s 3.5
7.0
Thermal Shock Resistance, points 22
28 to 43

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 0.2
Chromium (Cr), % 13.5 to 16
15 to 17
Iron (Fe), % 49.2 to 58.5
78.2 to 83.8
Manganese (Mn), % 1.0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
1.3 to 2.5
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