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EN 1.4980 Stainless Steel vs. EN 1.4422 Stainless Steel

Both EN 1.4980 stainless steel and EN 1.4422 stainless steel are iron alloys. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4980 stainless steel and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
17
Fatigue Strength, MPa 410
380
Impact Strength: V-Notched Charpy, J 57
110
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 630
520
Tensile Strength: Ultimate (UTS), MPa 1030
850
Tensile Strength: Yield (Proof), MPa 680
630

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 780
390
Maximum Temperature: Mechanical, °C 920
760
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 17
10

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
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
2.7
Embodied Energy, MJ/kg 87
37
Embodied Water, L/kg 170
110

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
30
Strength to Weight: Bending, points 28
25
Thermal Diffusivity, mm2/s 3.5
4.3
Thermal Shock Resistance, points 22
31

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 0.020
Chromium (Cr), % 13.5 to 16
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 49.2 to 58.5
76.8 to 83.5
Manganese (Mn), % 1.0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.5
1.3 to 1.8
Nickel (Ni), % 24 to 27
4.0 to 5.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0030
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0