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EN 1.4640 Stainless Steel vs. EN 1.4980 Stainless Steel

Both EN 1.4640 stainless steel and EN 1.4980 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 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, % 51
17
Fatigue Strength, MPa 230 to 250
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 440 to 460
630
Tensile Strength: Ultimate (UTS), MPa 620 to 650
1030
Tensile Strength: Yield (Proof), MPa 240 to 260
680

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 420
780
Maximum Temperature: Mechanical, °C 930
920
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
6.0
Embodied Energy, MJ/kg 40
87
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
150
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 23
36
Strength to Weight: Bending, points 21
28
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 14 to 15
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.030 to 0.080
0.030 to 0.080
Chromium (Cr), % 18 to 19
13.5 to 16
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
49.2 to 58.5
Manganese (Mn), % 1.5 to 4.0
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 5.5 to 6.9
24 to 27
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5