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AISI 439 Stainless Steel vs. EN 1.4980 Stainless Steel

Both AISI 439 stainless steel and EN 1.4980 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
17
Fatigue Strength, MPa 170
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 310
630
Tensile Strength: Ultimate (UTS), MPa 490
1030
Tensile Strength: Yield (Proof), MPa 250
680

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 530
780
Maximum Temperature: Mechanical, °C 890
920
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
6.0
Embodied Energy, MJ/kg 34
87
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 6.7
3.5
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.030
0.030 to 0.080
Chromium (Cr), % 17 to 19
13.5 to 16
Iron (Fe), % 77.1 to 82.8
49.2 to 58.5
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.5
24 to 27
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 1.1
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5