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EN 1.4980 Stainless Steel vs. EN 1.4646 Stainless Steel

Both EN 1.4980 stainless steel and EN 1.4646 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 29 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 EN 1.4980 stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 410
340
Impact Strength: V-Notched Charpy, J 57
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 630
500
Tensile Strength: Ultimate (UTS), MPa 1030
750
Tensile Strength: Yield (Proof), MPa 680
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 780
410
Maximum Temperature: Mechanical, °C 920
910
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.8
Embodied Energy, MJ/kg 87
41
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 19
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
27
Strength to Weight: Bending, points 28
24
Thermal Shock Resistance, points 22
16

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0.020 to 0.1
Chromium (Cr), % 13.5 to 16
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 49.2 to 58.5
59 to 67.3
Manganese (Mn), % 1.0 to 2.0
10.5 to 12.5
Molybdenum (Mo), % 1.0 to 1.5
0 to 0.5
Nickel (Ni), % 24 to 27
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.050
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